EPA
           United States
           Environmental Protection
           Agency
              Office of Water
              Regulations and Standards
              Washington, DC 20460
EPA 440/5-58/017
September 1988
           Water
Definitions
           Water Quality Standards
           Criteria Summaries:
           A Compilation
           of State/Federal  Criteria
                                      Printed on Recycled Paper

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                           DISCLAIMER

     This publication was prepared  by Battelle under contract  to
the  U.S. Environmental Protection  Agency (Contract  68-03-3534).
Secondary information sources were  used to compile data presented
in this document.  Each State was given an opportunity to  review
and provide comments on a draft  of  this information document.  In
no  event  shall either the United  States or  Battelle  have  any
responsibility or liability for  any use, misuse, or reliance upon
the  information  contained herein, nor does  either  warrant  or
otherwise represent in any way the  accuracy, adequacy,  efficacy,
or applicability of the contents hereof.

     The  reader should consult  the water quality standards of   a
particular State for exact regulatory language applicable to that
State.   Copies of State water quality standards may be  obtained
from   the  State's  Water  Pollution  Control  Agency   or   its
equivalent.

     Additional information may  also be obtained from the:

                        Standards Branch •
            Criteria and Standards  Division (WH-585)
            Office of Water Regulations and Standards
              .U.S. Environmental Protection Agency
                     Washington, D.C.  20460
                          202-475-7315
     This document may be obtained only from the National Technical
Information Service (NTIS) at  the following address:

                National Technical Information Service
                       5285 Front Royal Road
                    Springfield, Virginia 22161
                          703-A87-4650

     The NTIS order number is:  PB89-141493	

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INTRODUCTION

This  digest  is  compiled to provide general information to the public as well
as  to  Federal,  State,  and  local  officials.  It contains excerpts from the
individual   Federal-State   water  quality  standards  establishing  pollutant
specific  criteria  for interstate surface waters.  The water quality standards
program  is  implemented  by  the  U.  S. Environmental Protection Agency where
responsibility   for   providing   water   quality  recommendations,  approving
State-adopted  standards  for . interstate  waters,  evaluation adherence to the
standards,  and  overseeing  enforcement  of  standards  compliance,  has  been
mandated by Congress.
Standards,  a
three  major
propagation,
criteria   to
existing high
nationwide strategy for surface water quality management, contain
elements:  the use (recreation, drinking water, fish and wildlife
industrial,  or  agricultural) to be made of the navigable water;
protect  these  uses; and an antidegradation statement to protect
quality waters, from degradation by the addition of pollutants.
Vater  quality  criteria   (numerical or narrative specifications) for physical,
chemical,   temperature, and biological constituents are stated in the July 1976
U.  S.  Environmental  Protection Agency publication Quality Criteria for Vater
(QCV)»  available   from   the  Government Printing Office, Washington, D.C.  The
1976  QCV,  commonly   referred   to  as  the   "Red  Book,"   is  the most current
compilation  of  scientific   information  used   by  the  Agency  as a basis for
assessing   water quality.  This  publication  is  subject to periodic updating and
revisions  in  light  of  new scientific and technical information.

This  digest  is  a compilation  of  key terms and definitions which are employed
by  a  given  state • in   implementing its Water Quality Standards program.  The
understanding of these  terms and definitions has become increasingly important
as  more   public  and  local  government interests focus on  the attainability  of
goals  outlined by  Clean  Water Act. Increased importance is also given  to  these
terms as more interstate  program coordination is accomplished.

Since  water  quality  standards  experience  revisions and upgrading from  time  to
time,  following  procedures  set   forth   in the  Clean  Water Act,  individual
entries  in  this digest  may  be  superseded.  As  these revisions are accomplished
and  allowing for the  States  to  revise  their standards accordingly,  this digest
will  be updated and reissued. Because  this publication  is  not intended  for use
other  than as a general information  resource,  to obtain  the  latest  information
and  for   special   purposes   and applications,  the  reader needs  to refer  to  the
current  approved   water  quality  standards.   These can  be obtained  from  the
State water pollution  control agencies  or  the EPA or Regional Offices.

Individual State-adopted definitions  follow:
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                                  REFERENCES


5   California Water Quality Standards by River Basins, ca. 1975

    For  more detailed information on selected basins, sub-basins and stretches
    of  streams  and  coastal  areas  refer  to  California State Water Quality
    Standards.

8   Delaware Water Quality Standards for Streams, 1985.

9   Florida  Administrative Code, Chapter 17-4, 1987 and Florida Administrative
    Code, Chapter 17-3, 1988.

11  Hawaii  Administative  Rules,  Title  II,    Hawaii  Department  of Health,
    Chapter 54: Water Quality Standards, 1988.

12  Idaho  Department  of  Health  and  Welfare Rules and Regulations, Title 1,
    Chapter    2,   "Water   Quality   Standards   and   Wastewater   Treatment
    Requirements", 1980.

18  Louisiana  Water  Quality  Standards,  Lousiana Department of Environmental
    Quality: Office of Water Resources, 1984

20  Water  Quality  and  Water   Pollution  Control,    Subtitle  50, Chapter 1,
    Maryland Department of Health and Mental Hygiene.

25  Missouri Water Quality Standards, ca. February, 1978

27  Nebraska   Water   Quality   Standards,  Title  117,   Chapter   1,  Nebraska
    Department of Environmental Control.

31  Water  Quality  Standards  for   Interstate  and   Intrastate  Streams  in New
    Mexico, State of New Mexico  Water Quality  Control Commission,  1988.

35  Ohio  Water  Quality   Standards, Chapter  3745-1 of the Administrative Code,
    Ohio Environmental Protection Agency,  1985.

38  Pennsylvania  Water   Quality    Standards,   Department   of  Environmental
    Resources,   Title  25.   Part  1.   Subpart   C.  Article II.  Chapter   93  of
    Pennsylvania Code.

40  South  Carolina  Water  Classifications   and  Standards,   Regulation  61-68,
    Office  of  Environmental  Quality  Control,  South  Carolina  Department  of
    Health and Environmental Control,  1985.

 42  Tennessee's Water  Quality  Criteria  and  Stream  Use Classifications for
    Interstate  and   Intrastate Streams,  Tennessee Water Quality Control  Board:
    Department of  Health and Environment,  1987.

 43  Texas   Surface  Water  Quality  Standards,  Texas  Water  Commission,  Rule
    Change,  1988.
                                      -3-

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44  Utah  Standards  of  Quality  for  Waters of the State, Wastevater Disposal
    Regulations:  Part  II,  State  of  Utah  Department of Health: Division of
    Environmental Health, 1988.

45  Vermont  Water  Quality  Standards,  State of Vermont Water Resource Board,
    1987.

48  Water  Quality  Standards,  West  Virginia  Legislative  Rules, State Water
    Resources Board, 1985.

51  American Samoa Water Quality Standards, Revised July, 1973

53  Territory of Guam Water Quality Standards, Sept. 1975

55  Puerto  Rico  Water  Quality  Standards  Regulation,  Environmental Quality
    Board, 1983.

56  Trust  Territory  of   the  Pacific Islands Water Quality Standards, October
    21,  1973

57  Virgin Islands Water Quality.Standards, Aug. 1973

ENVIRONMENT REPORTER, The  Bureau of National Affairs, Inc.
Washington, D.C. 20037

1   Pages 701-0501-0509, February 16,  1979

2   Pages 706:1004-1008, July  20, 1979         .          .

3   Pages 711:0542-0544, August 5,  1977

4   Pages 716:0603, March  26,  1976

6   Pages 726:1005-,1011-1013, March  7,  1980

7   Pages 731:1002-1009,  September  8,  1978

12  Pages 765:0512-0515,  January  30,  1976

13  Page 766:0504-0509,  October  5,  1979

14  Pages 771:0502-0504,  September  29,  1978

15  Pages 776:0504-0506,  April 10,  1979

16  Pages  781:0501-0502,  May 18,' 1979

17  Pages  786:0501-0502,  August  29, 1975

19   Pages  796:0103-0108, February 16, 1979
vi
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21  Page 806:1003, March 30, 1979



22  Page 811:i043, 1974



23  Pages 816:0602-0607, 0642-0648, 1974



24  Pages 821:0502-0505, June 30, 1978



26  Pages 831:0501-0510, February 21, 1975



28  Pages 841:0507-0537, December 7, 1979



29  Pages 846:0501-0508, November 17, 1978



30  Pages 851:1001-1023, December 15, 1978



32  Pages 861:1002-1007, August  11, 1979



33  Pages 866:1004-1009, December 28, 1979



34  Pages 871:0501-0506, November 25, 1977



36  Pages 881:1001-1007, September  21,  1979



37  Pages 886:0513-0524, August  29, 1975



39  Pages 901:0501-0505, November 3, 1978



41  Pages 911:0501-0507, June 22, 1979



46  Pages 936:1001-1003, June 27, 1975



47  Pages 941:1001-1005, May 26, 1978



49  Pages 951:;1002-1003,  April  28, 1978



50  Pages 956:1001-1007, January 11,  1980



52  Page 741:1002,  November 23,  1979
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State  .
Alabava
Alaska
          DEFINITIONS

a.  State Waters means all waters of any river, stream,
yatercourse,  pond,  lake,  coastal,  ground or surface
water, wholly or partially within the state.

b.   Sewage   means  water-carried  human  wastes  -from
residences,   building,  industrial  establishments  or
other,  places  including,  but  not  limited  to,  any
vessels,  or  other  conveyances traveling or using the
waters  of  this  state,  together  with  such  ground,
surface, storm or other waters as may be present.

c.  Industrial  Wastes  means  liquid  or  other wastes
resulting  from  any  process of industry, manufacture,
trade  or  business  or from the development of natural
resources.

d.  Other  Wastes  means  all other substances, whether
liquid,  gaseous  or  solid,  from  all  other  sources
including,  but  not  limited to, any vessels, or other
conveyances  traveling  or  using   the  waters  of this
state,  except  industrial  wastes or sewage, which may
cause pollution of any waters of the state.

e.  Commission  means the.Water Improvement Commission;
and "member" means a member of said Commission.

(1)  "acute"  means  severe  but of short duration with
respect to constituent  toxicity of  disease;

(2)  "anadromous   fish"  means those fish which spend  a
portion  of  their lives in both fresh and  salt waters,
including   the  five  species  of Pacific salmon, Dolly
Varden,  rainbow   trout (steelhead), sea-run  cut  throat
trout, arctic char, sheefish and whitefish;

(3)   "aquaculture" means  the regulation and cultivation
of   water   plants   or   animals  for  human use  or
consumption;
                                                     r
(4)   "boundary" means any line or landmark  which  serves
to  clarify,  outline,  or  mark  a limit, •  border, or
interface;

(5)   "central   office"  means  the central office  of  the
Alaska  Department of  Environmental Conservation,  Pouch
0, Juneau,  Alaska  99811.

(6)    "Clean    Water    Act"  means   the   Federal   Water
Pollution   Control Act  (commonly   referred   to  as  the
Clean  Water   Act  (P.L.92-500,  as   amended  by  P.L.
95-217) 33 U.S.C.  Sec.  1251  et  seq.);
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(7)  "chronic"  means  lasting a long time or recurring
often with respect to constituent toxicity or disease;

(8)   "color"  means  that  condition  of  water  vhich
results  in the visual sensations of hue and intensity;
apparent  color  is  the condition of water due to both
substances  in  solution  and  due to suspended matter;
color  is  measured  in  water  after  the turbidity is
removed;

(9)    "commissioner"   means   the   commissioner   of
environmental conservation;

(10)  "compensation  point for photosynthetic activity'
means  that  point  at which incident light penetration
is   sufficient   for  plankton  to  phot©synthetically
produce  enough  oxygen  to  balance  their respiration
requirements;

(11)  "contact  recreation"  means  activities in which
there  is  direct  and  intimate  contact  with  water; .
examples  of  primary contact recreation include wading
and  dabbling,  swimming, diving, water skiing, surfing
and   any   intimate   contact   with   water  directly
associated with shore-line activities;

(12)  "criterion"  means  a designated concentration or
limit  of  .a  .constituent that, when not exceeded., will
protect  an  organism,  an  organism  community,  or  a
prescribed  water  use  or  quality  with  a reasonable
degree  of safety; a criterion, in some cases, may be a
narrative  statement instead of a numerical constituent
concentration or limit;

(13)   "department"  means  the  Alaska  Department  of
Environmental Conservation;

(14)  "dissolved oxygen" means the solubility of oxygen
in   water   as   determined   either  by  the  Vinkler
(iodometric)  method  and  its  modifications or by the
Membrane Electrode Method;

(15)  "effluent"  means  that  segment  of a wastewater
stream  immediately  following   the   final  'step in any
treatment  process  but before the wastewater stream  is
discharged to the receiving environment;

(16)  "fecal  coliform  bacteria'  means  those bacteria
that  can  ferment lactose at 44.5 degree plus or minus
0.2  degree  C   to  produce  gas  in  a  multiple  "tube
procedure;   fecal  coliform  bacteria also  means  all
organisms  which  produce  blue  colonies within 24 plus
or  minus  hours  of   incubation at 44.5 degree plus  or
minus 0.2  degree C in  an M-FC broth medium;

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(17)  "fish"  means  any  of  the group of cold-blooded
vertebrate   animals   living   in  water,  and  having
permanent gills for breathing and fins for locomotion;

(18)  "Grain  Size  Accumulation Graph" means the graph
of  the sediment sieving results where the logarithm of
the  size  (millimeters)  is  plotted on  the horizontal
axis  and  percent accumulation by weight is plotted in
the linear scale on a vertical axis;

(19)  "groundwater"  means  water  is  in the  zone of
saturation,  which  is  the zone below the water table,
in which all interstices are filled with  water;

(20)  "industrial  use"  means any water  supply used in
association   with   a   manufacturing    or  production
enterprise   (other  than  food  processing)  including
mining,    placer    mining,   energy   production   or
development;

(21)  "lake"  means  an  inland body of water, fresh or
salt,  of substantial size, occupying a basin or hollow
in   the  earth's  surface,  which may or  may not have  a
current  or single direction of flow;

(22)  "LCj" means  the median lethal concentration  of  "a
toxicant;   it   is   the concent rat-ion which is  lethal  to
fifty  percent  of  the organisms  tested under  conditions
outlined  by  the department  in a  specified time;  "LC5Q"
means  the  same  as  tolerance  limit TLM, or TL^;

(23)   "mean"   means the  average  of  values obtained  over
a   specified    period   of  time;   for   fecal  coliform
determination    the  mean  shall   be   computed  as   the
logarithmic mean;
 (24)   "micrograms   per   liter"   (ug/1)   means
 concentration  at  which  1 millionth of a gram (10 -g)
 is  contained  in a volume of 1 liter; there are 453.59
 grains in a pound;

 (25)   "milligram   per   liter"   (mg/1^   means   the
 concentration  at which 1 milligram (10~ g is contained
 in  a volume of 1 liter; it is approximately equivalent
 to  the  unit  parts  per  million  (ppm),  formerly of
 common use;

 (26)  "mixing  zone"  means   the  area  contiguous  to  a
 discharge  or  to  an  activity  in   the water, where  a
 receiving  water  may  not  meet  all the water quality
 standards;  wastes  and  water are given an area  to mix
 such  that  the  water quality standards are met  at the
 boundaries of  the mixing zone;

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(27)   "most   probable   number'   (MPN)   means   the
statistically  determined  number  which represents the
number  of  individuals  most likely present in a given
sample or aliquot, based on test data.

(28)   ."natural   condition"  means  those  conditions,
physical,  chemical,  biological, or radiological which
exist(ed)  in  a water before any man induced discharge
into  the  water  or  any  activity of man resulting in
addition of material into the water;

(29)  "oil  and grease" means oil and grease as defined
by  the  procedure used; see sec. 20(c) of this chapter
for analytical procedures;

(30)   "pH"   means   the  negative  logarithm  of  the
hydrogen-ion  activity  concentration when expressed as
moles per liter; PH—log.Q (H+);

(31)  "pollution'  means  the contamination or altering
of  waters,  land  or subsurface land of the state in a
manner  which  creates a nuisance or makes waters, land
or  subsurface -land unclean, or noxious, or impure, or
unfit  so that they are actually or potentially harmful
or  detrimental  or  injurious, to public'health, safety
or  welfare,  to  domestic,  commercial, industrial, or
recreational   use,  or  to  livestock,  wild  animals,
birds, fish or other aquatic life;

(32)   "residues" means floating solids, debris, sludge
deposits,   foam,   scum  or  any  other  materials  or
substances  remaining  in a water body as a result of a
direct or proximate activity of man;

(33)    "secondary    recreation"    means   recreation
activities   in   which   water   use   is  incidental,
accidental  or  sensory, and includes fishing, boating,
camping, hunting, hiking and vacationing;
(34)  "sediment"  means  solid  material  of organic or
mineral  origin  that  is transported by, suspended in,
or  deposited  from  water;  it  includes  chemical and
biochemical  precipitates  and organic material such as
humus;

(35)  "sheen"  means  an  iridescent  appearance on the
surface of the water;

(36)  "sodium absorption rate" (SAB.) means the estimate
of  the degree to which sodium will be absorbed in soil
from  a  given  water as proposed by the U. S. Salinity
Laboratory,  U.  S. Department of Agriculture, Handbook

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60,  expressed  as  the  quotient  of  the  sodium  ion
concentration  and  the square root of one-half the sum
of the calcium and magnesium ion concentrations;             -i

(37)   "spawning"   means  the  process  of  producing,
emitting   or   depositing  eggs,  sperm,  seed,  germ,      v
larvae,   young   or  juveniles,  especially  in  large
numbers  by  aquatic  life,  including fish, shellfish,
amphibians, mollusks and crustaceans;

(38)"thermocline"  means  the  layer of water between a
warmer,  surface  zone and a colder, deep-water zone in
a  thermally  stratified  body  of  water, in which the       i
water temperature decreases rapidly with depth;               J

(39)  "total  aromatic  hydrocarbon"  (TAB) means those
water   accommodated  compounds  having  at  least  one
aromatic  ring  and  includes  the following functional
groups:  oxyaromatics,  heterocyclic compounds, benzene
family  mononuclear aromatics, and polynuclear aromatic       I
hydrocarbons;                                                 )

(40)  "total  hydrocarbons"  (TE) means those compounds
measured   using   Gruenfields  IR  partition  infrared
methods  as  specified in the 14th Edition of Standards
Methods  for  Examination of Vastewater (method 502 B);
samples  collected  in  marine  waters  for TH analysis
shall  be  taken  within  one  meter of the surface and
below  any observable surface slip sheen or fresh water
lens;  sample  collected in fresh waters shall be taken
immediately  below  the  surface of the water and below
any observable surface slip sheen;

(41)  "toxic  substances"  means  those  materials,  or
combinations  of  materials,  including disease-causing
agents   which   after  discharge  and  upon  exposure,
ingestion,   inhalation   or   assimilation   into  any
organism,  either  directly  from   the  environment  or
indirectly  by  ingestion  through food chains, will, on
the   basis  of  information  available,  cause  death,
disease,  behavioral abnormalities, malignancy, genetic
mutation,    physiological   abnormalities    (including
malfunctions     in     reproduction)    or     physical       ,
deformations,    in   affected   organisms    or   their
offspring;   the  term  includes the following substances,
and   any   other   substance ,  identified  as   a  toxic
pollutant  under sec. 307  (a) of the Clean Uater Act of       j
1977  (33 U.S.C. sec.  466 et seq.);                           U

Aldrin/Dieldrin;      Arsenic;     Benzidine;     Carbon       j
tetrachloride;  Cadmium; Dichlorobenzidine; Chlorinated       j
ethanes;       Chloroform;       Chromium;       Demeton;
Dichloroethylenesj      Dinitrotoluene;     Fluoranthene;       ,
Diphenylhydrazine; Endrin;  Hexachlorocyclo-                  J

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pentadiene;  Ethylbenzene;  Lindane;  Mercury,  Nickel,
Nitrobenzene;   Napthalene,   Silver,  Vinyl  Chloride;
Acenaphthene;     Antimony,    Chlorinated    benzenes;
Chloroalkylethers;     DDT;     Dichloropropane     and
Dichloropropene;        Halomethanes;        Malathion;
Tetrachloroethylene;    Trichoroethylene;   Polynuclear
aromatic      hydrocarbons,      Endosulfan;     Mirex,
Pentachlorophenol,   Phenol;  Acrylonitrile;  Asbestos;
Benzene,     Beryllium;     Chlorinated    Naphthalene;
2-Chlorophenol;       Chlorophenols;      Chlorophenoxy
herbicides;  Byanide;  2,  4-Dichloraphenol,  Acrolein,
Cloradane,Nitrosamines;    Copper;    dichlorobenzenes;
Guthion;  Haloethers;  Heptachlor; Hexachlorobutadiene;
Hexachlorocyclohexane;  Isophorone; Lead; Methoxychlor;
nitrophenols;   Parathion;   Phtalate   Esters;  PCB's;
Selenium,  P-Dioxin;Thallium; Toluene; Toxaphene, Zinc,
2,4-dimethylphenol;

(42)  "turbidity"  means  an  expression of the optical
property   that   causes  light  to  be  scattered  and
absorbed  rather  than  transmitted  in  straight lines
through  a  water  sample' turbidity in vater is caused
by  the  presence  of  suspended  matter  such as clay,
silt,  finely  divided  organic  and  inorganic matter;
plankton, and other microscopic organisms;

(43) "waters" means lakes, bays, sounds, ponds, im-
pounding  reservoirs,  springs, wells, rivers, streams,
creeks,  estuaries,  marshes, inlet, straits, passages,
canals,  the  Pacific Ocean, Gulf of Alaska, Bering Sea
and  Arctic  Ocean  in  the  territorial  limits of the
state,  and  all other bodies of surface or underground
water,   natural  or  artificial,   public  or  private,
inland  or  coastal, fresh or salt, which are wholly or
partially  in  or  bordering  upon  the  state or under
jurisdiction  of  the  state; "waters" does not include
ponds,   lagoons   or  parts  of  wastewater  treatment
systems  which  are  lined  or  constructed  in  such  a
manner  that seepage into  the ground is not allowed;
                                                      r
(44)    "water   recreation"  means  contact  recreation
and/or  secondary  recreation as defined in this section;

(45)  "water  supply"  means  any   of  the waters of  the
state   which  are  designated to be protected  for  fresh
water   or  marine  water  uses including  waters used  for
drinking,    culinary,  food  processing,  agricultural,
aquacultural,   seafood    processing,    and   industrial
purposes;

(46)  "wildlife"  means   all species  of  mammals, birds,
reptiles and amphibians..
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       3
Arizona                 1.  "Act"  means the Clean Water Act as amended, 33 USC
                        1251  et seq., which is hereby adopted and incorporated
                        by  reference  and  is  on  file with the Department of
                        Environmental  Quality  and the Office of the Secretary
                        of State.

                        2.  "Annual  Mean" is the arithmetic mean of values for
                        any  consecutive  twelve  (12)  month  period, provided
                        that  such values are determined for at least three (3)
                        months  and  that  each monthly value is the arithmetic
                        mean  when more than two observations are determined in
                        that month.

                        3.   "Cold   water  fishery"  means  waters  having  an
                        environment    suitable   for   the   propagation   and
                        habitation of salmonids.

                        4.  "Council"  means  the Arizona Vater Quality Control
                        Council.

                        5. - "Department"  means the Department of Environmental
                        Quality.

                        6.  "Director"  means the Director of the Department of
                        Environmental Quality or his designated representative.

                        7.  "Effluent  dominated  water"  means a surface water
                        segment  which  consists  primarily  of  discharges  of
                        treated  wastewater  and  which  has been classified as
                        effluent  dominated  water  by the Council, pursuant to
                        the criteria listed in section R18-11-304.

                        8.   "Mixing   zone"   associated   with  a  particular
                        point-source  discharge  means that volume of a surface
                        water  body  contiguous  to  the  point of discharge in
                        which the Council:
                        a.  has  determined  that  the  requirements  given  in
                        R18-11-212 have been satisfied; and
                        b.  has  specified, in accordance with R18-11-212, that
                        exceptions   to  R18-11-204.D,  R18-11-206,  R18-11-209
                        shall be allowed.

                        9.  "Nearest  downstream  listed surface water segment"
                        means  the  first  surface  water  listed in Appendix  A
                        that  is  encountered when proceeding downstream from  a
                        surface water which is not listed in Appendix A.

                        10.  "Ninetieth  (90)  percentile"  is  defined  as the
                        value  which  may  not  be  exceeded  by  more than ten
                        percent  of  the  observations  in a consecutive twelve
                        month  period,  provided  that  at least ten values are
                        determined   at  a  frequency  of  not  less  than  ten
                        calendar days.


                                     -12-

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Arkansas
California"
                        11.  "Nutrient"  means  any  substance found in a water
                        vhich  does,  or  could  under  certain  circumstances,
                        promote the grovth of aquatic plant life.

                        12.  "Oil" .means  petroleum in any form, including but
                        not  limited  to  crude oil, gasoline, fuel oil, diesel
                        oil, lubricating oil, or sludge.

                        13.  "Protected uses" are water-related activities that
                        are  recognized  by  the  Council as reasonable uses of
                        the  State's  surface  waters.    R18-11-207  describes
                        protected  used.    Appendix A lists protected uses for
                        Arizona  surface  water  segments.  Appendix B contains
                        allowable limits for each protected use.

                        14.  "Surface  waters"  means  waters  of the State, as
                        defined in A.R.S. §45-101.
                        15.  "Surface  water  segment"
                        segment, lake or impoundment.
                                means  a stream, stream
16.   "Surface   water  standards"  means  these  water
quality  standards  for  surface  waters  of the state:
Title 18, Chapter 11, Articles 1, 2, and 3.

17.  "Unique waters" means those surface water segments
classified  by  the  Council  pursuant to R18-11-303 as
being   outstanding   public  resources,  or  water  of
exceptional recreational or ecological significance.

18.  "Violation  of  water quality standards" means any
occurrence    in   vhich   prescribed   water   quality
attributes  or  specific  allowable limits are not met,
except as expressly provided in these Rules.

19.   "Warm  water  fishery"  means  waters  having  an
environment    suitable   for   the   propagation   and
habitation of fresh water fishes other that salmonids.

20.  "Vholly private waters" means those private waters
closed  to  all public uses and not discharging into or
polluting any other waters of the State.

21.  "Zone  of  passage" means a continuous water route
of   the  volume,  cross-sectional  area,  and  quality
necessary  to  allow  passage  of  free-swimming and/or
drifting  organisms with no significant effect produced
on the aquatic population.

Not specified

See State Standards for specific definitions.
                                     -13-

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Colorado
(1)  "ACT"  means  the  Colorado  Water Quality Control
Act, C.R.S. 1973, 25-8-101 et seq., as amended.

(2)   "ANTIDEGRADATION  STANDARD"  means  the  standard
established in Section 3.1.8.

(3)   "BASIC   STANDARDS"   means  those  standards  as
established in Section 3.1.11.

(4)  "BENEFICIAL  USES"  means those uses of the waters
of  the  State to be protected such as those identified
in the classification system.

(5)  "BMP" (Best Management Practices) means a practice
or  a  combination of practices that is determined by a
governmental    agency    after   problem   assessment,
examination  of  alternative practices, and appropriate
public   participation,   to   be  the  most  effective
practicable  (including  technological,  economic,  and
institutional  considerations)  means  of preventing or
reducing   the amount of pollution generated by nonpoint
sources to a level compatible with quality goals.

(6)  "COMMISSION"  means  the  Colorado  Water  Quality
Control Commission.

(7)  "DIVISION" means the Division of Administration of
the  Colorado  Department  of Health of which  the Water
Quality Control Division is a part.

(8)  "FEDERAL  ACT"  means  the Clean Water Act, U.S.C.
Section 1251 et seq., as amended.

(9)  "LC50" means the concentration of a parameter that
is  lethal to  502  of  the  test  organisms  within a
defined time period.

(10)  "MIXING  ZONE"  means   that  area of a water body
designated on  a  case-by-case  basis  by the Division
which   is contiguous  to  a  point  source   in  which
standards  may not apply.
                         (11)   "NUMERIC
                         of a  parameter.
                VALUE" means  the  measured  concentration
                         (12)   "PARAMETER"  means  the  chemical constituents or
                         other  characteristics  of  the  water  such  as algae,
                         fecal   coliform,  total  dissolved  solids,  dissolved
                         oxygen,   or  the  magnitude  of  radioactivity, levels,
                         temperature,   pH,  and  turbidity,   or  other  relevant
                         characteristics.
                                      -14-

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                        (13)  "PERMIT"  means  a  National  Pollutant Discharge
                        Elimination  System (NPDES) permit or other state water
                        quality permit.
                        (14) "SALINITY" means total dissolved solids (TDS).

                        (15)   ''STANDARD"  means  a  narrative  and/or  numeric
                        restriction  established  by  the Commission applied to
                        vaters  of  the State to protect one or more beneficial
                        uses  of  such  vaters.   Whenever only numeric or only
                        narrative  standards  are  intended,  the wording shall
                        specifically designate which iz intended.

                        (16)  "TABLES" means Tables I, II, III, and IV appended
                        to  the  Regulations,  which  set forth accepted levels
                        for  various  parameters  which  will generally protect
                        the  beneficial uses of the waters of the State.  These
                        Tables are not adopted as regulations.

                        (17) "USES" - see Beneficial uses.

                        (18)  "VATERS  OF  TEE STATE" means any and all surface
                        and  subsurface  waters  which are contained in or flow
                        in  or  through  this  State  except  waters  in sewage
                        system,  waters in treatment works of disposal systems,
                        waters  in  potable water distribution systems, and all
                        water  withdrawn  for  use until use and treatment have
                        been   completed.  "Waters  of  the  State,"  "waters,"
                         'State   waters,"   and   "water   bodies"   are
                                                   used
Connecticut
interchangeably  and  mean  surface and groundwaters of
Colorado  coming  under the above definition.  Whenever
only  surface  or  only  groundwater  is  intended, the
wording shall specifically designate which is intended.

(19) "WATER QUALITY STANDARD" means standard.

Not specified
Delaware
Acute  toxicity:   Any poisonous effect produced within
a  short  period of time (sub-life cycle), resulting in
                        severe biological harm and often death.

                        Agriculture:    The  use  of  land  and  water
                        production of food, fiber and timber products.
                                                in  the
                        Antidegradation  statement:    Any  provision or policy
                        that  has  as  its basis  the prevention of deterioration
                        of water quality or designated uses.

                        Average:    Unless otherwise noted, the  arithmetic  mean
                        of  a   representative  group of samples  for  a specified
                        parameter.     Representativeness  shall  be  determined

                                     -15-

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through    application   of   appropriate   statistical
techniques  to  data  collected  at  times  of critical
ambient     conditions,     as    determined    on    a
parameter-by-parameter basis.

Background:   The biological, chemical, and/or physical
conditions   of  a  water  body  measured  at  a  point
upstream  of  the  influence  of the discharge or other
pollution  source,  but downstream from other pollution
sources.

Best   management   practice:    Methods,  measures  or
practices  utilized  by an entity to meet its non-point
source  control  needs.   Controls may be structural or
non-structural,    and/or    involve    operation   and
maintenance   procedures.    Controls  may  be  applied
before,   during,   or  after  the  pollution-producing
activities  to  reduce or eliminate the introduction of
pollutants into receiving waters.

Chronic   toxicity:      Any  poisonous  effect,  often
characterized     by     impaired    function    and/or
reproduction,  that  occurs  over  the life cycle of an
organism.

Cold  water fish use:  Protection of fish species (such
as  from  the  family  Salmonidae)  and other flora and
fauna indigenous to a cold water habitat.

Control  structure:    A  dam,  weir or other structure
placed  by man to regulate stream flow and/or create an
impoundment.

Criterion:    A  standard  of  judgment (usually with a
scientific  basis)  used  to  test the suitability of a
water body for a particular purpose.

Degradation:  Any adverse change in water quality.

Department:     Department  of  Natural  Resources  and
Environmental Control.

Designated   Uses:      Categories   of  surface  water
utilization   for  which  the  Department  herein  sets
standards of protection.

Diadromous:    Describes fish which migrate  to  and from
saltwater and freshwater for  the purpose of  spawning.

Ephemeral:    Describes a stream which contains flowing
water   only  for  short periods  following precipitation
events.
              -16-

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Fish,  Aquatic Life and Wildlife:  All animal  and  plant
life   found   in   Delaware,   either    indigenous   or
migratory,   regardless   of  life  stage or   economic
importance.

Foam:    Frothy,  generally  stable,  whitish   mass   of
bubbles  formed  on  or  in the water upon agitation  of
the water.

Fresh   waters:      All   waters  that   under natural
conditions  have  an average chloride ion concentration
less than 250 mg/L.

Industrial  water  supply:  Any water that is  protected
for  use for industrial purposes, including non-contact
cooling water.

Indigenous:    Native,  growing,  existing, or produced
naturally.

Intermittent:     Describes  a  stream  which   contains
flowing  water  for extended periods during a  year, but
does not carry flow at all times.

Mixing  Zone:  The region of the receiving water in the
vicinity   of   a   discharge  in  which  dilution  and
dispersion  of effluent are to occur.  The requirements
of Section 5 of this document shall apply.

Low  flow:    A  statistically  determined,  freshwater
stream-specific  flow, which has a defined duration and
recurrence interval.

Natural  conditions:    Water  quality  characteristics
which  would  exist  in  the  absence  of  point source
discharges  and  with  all  non-point sources  employing
reasonable    and    cost-effective   best   management
practices.

Nuisance   condition:      Any  condition  that,  as  a
by-product  of  pollutant  addition  to  a  stream,   is
unsightly,  offensive,  troublesome,  or inconvenient  to
human users of the waters or the adjoining land areas.

Nuisance  species:   Any species of fish, other animal,
or  plant living in or near the water that is  generally
regarded as offensive or troublesome.

Nutrient:    Any element or compound essential  as a raw
material   for   organism   growth   and   development.
Specific examples include nitrogen and phosphorus.
             -17-

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Overenrichment:    Excessive addition of nutrients to a
water  body,  resulting  in deterioration of designated
uses of the waters.           '

Perennial:      Describes  a  freshwater  stream  which
contains flowing water at all times.

Primary  contact  recreation:   Any water-based form of
recreation,   the   practice   of   which  has  a  high
probability  for  total body immersion and/or ingestion
of water..

Propagation:    Reproduction  of fish, aquatic life and
wildlife within their natural environment.

Public  water  supply:  Any stream or impoundment which
is  approved  for use as a source of drinking water for
human consumption.

Scum:    A  thin layer of impurities which forms on the
surface of  streams.

Salt  water:  All waters which under natural conditions
have an average chloride level of 250 mg/L or greater.

Secondary   contract  recreation:  A water-based form of
recreation,    the   practice   of   which   has  a  low
probability for   total body immersion and/or ingestion
of water.

Shellfish:     Any   species   of   fresh, brackish or  salt
water   mollusk   that   is   commonly   considered   to be
edible.      Typical   edible  mollusks   include   clams,
mussels,  oysters,  scallops,  and  whelks.

Standard:    A rule   or   limit   for  a   specific water
quality parameter  established by a  legal authority.

Stream basin:     A  specified  drainage  area  from which
 (in  most  cases)   all waters   exit   through  a  single
outlet.

Tidal:     Having  water elevation subject to effect  from
oceanic tides.

Toxic  substance:     Any  substance  or  combination of
 substances   including  disease-causing  agents,   which
 after   discharge   and   upon    exposure,    ingestion,
 inhalation,  or  assimilation into any organism,  either
 directly   from   the   environment  or  indirectly  by
 ingestion   through  food  chains,   will  cause  death,
 disease,    behavioral  abnormalities,  cancer,  genetic
              -18-

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                        mutations,    physiological   malfunctions   (including
                        malfunctions  in reproduction), or physical deformities
                        in such organisms or their offspring.

                        Water   of   exceptional   recreational  or  ecological
                        significance:    Waters which are important, unique, or
                        sensitive   from   a   recreational  and/or  ecological
                        perspective,  but  which  may or may not have excellent
                        water .quality.

       o
Florida                 (1)  "Acute Toxicity" shall mean the presence of one or
                        more  substances  or  characteristics  or components of
                        substances in amounts which:

                        (a)  are  greater  than  one-third  (1/3) of the amount
                        lethal  to  50Z  of  the test organisms in 96 hours (96
                        hr.  LC50)  where  the  96  hr LCSO is the lowest value
                        which  has been determined for a species significant to
                        the indigenous aquatic community; or
                        (b)  may  reasonably be expected, based upon evaluation
                        by  generally  accepted  scientific methods, to produce
                        effects,  equal  to  those  of the concentration of the
                        substance specified in (a) above.

                        (2)  "Background" shall mean the condition of waters in
                        the   absence   of  the  activity  or  discharge  under
                        consideration,    based    on   the .  best   scientific
                        information available to the. Department.

                        (3)  "Chronic  Toxicity" shall mean the presence of one
                        or  more substances or characteristics or components of
                        substances in amounts which:

                        (a)  are  greater  than  one-twentieth  (1/20)  of  the
                        amount  lethal to 502 of the test organisms in 96 hours
                        (96  hr.  LC50)  where  the  96  hr. LCSO is the lowest
                        value   which   has   been  determined  for  a  species
                        significant to the indigenous aquatic community; or
                                                                             t
                        (b)  may  reasonably  be expected based upon evaluation
                        by  generally  accepted  scientific  methods to produce
                        effects  equal  to  those  of  the concentration of the
                        substance specified in (a) above.

                        (4)   "Commission"   shall   mean   the   Environmental
                        Regulation Commission.

                        (5)  "Compensation  Point  for Photosynthetic Activity"
                        shall  mean the depth at which one percent of the light
                        intensity  at  the  surface  remains  unabsorbed.   The
                        light  intensities  at  the  surface  or  by irradiance
                                     -19-

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meters  such  as  the Kahlsico Underwater Irradiameter,
Model  no.  268  VA  310  or  other  devices  having  a
comparable spectral response.                               ">
                                                             )
(6)   "Department"   shall   mean   the  Department  of
Environmental Regulation.                                   v

(7)  "Designated Use" shall mean the present and future      '
most  beneficial  use  of a body of vater as designated
by  the Environmental Regulation Commission by means of
the classification system contained in this Chapter.

(8)  "Dominance"  shall mean the presence of species of      \
communities  in  greater  numbers,  biomass,  or  areal      J
extent  than  competing  species  or  communities, or a
scientifically   accepted   tendency   of   species  or
communities  to achieve such a status under existing or
reasonably anticipated conditions.                           '

(9)  "Effluent  Limitation"  shall mean any restriction      I
established  by  the Department on quantities, rates or      f
concentrations  of  chemical,  physical,  biological or
other  constituents  vhich  are discharged from sources
into waters of the state.

(10)  "Exceptional  Ecological Significance" shall mean
that  a  vater  body is part of an ecosystem of unusual
value.  The  exceptional significance may be in unusual
species,     productivity,     diversity,    ecological
relationships,  ambient  water  quality,  scientific or
educational  interest,  or   in  other  aspects  of  the
ecosystem's setting or processes.

(11)   "Exceptional  Recreational  Significance"  shall
mean   unusual   value   as   a  resource  for  outdoor
recreation  activities.  Outdoor recreation activities,
include,  but  are  not  limited   to, fishing, boating,
canoeing,  water  skiing,  swimming,  scuba diving, and
nature  observation.   The exceptional significance may
be in  the intensity of present recreational usage, an
unusual   quality  of recreational  experience, or  in the
potential  for  unusual  future   recreational  use  or
experience.                                                  <

(13)   "Groundwater"   shall mean  water   beneath   the
surface   of   the  ground  within   a  zone of saturation,
whether   or  not   flowing   through  known   and  definite
channels.                                                   ~J

(14)   "Natural  Background"  shall  mean  the condition  of      j
waters   in  the absence  of man-induced  alterations based      j
on  the   best   scientific   information  available  to the
Department.     The   establishment  of natural  background      >
              -20-

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for  an  altered waterbody may be based upon a similiar
unaltered  vaterbody  or  on  historical pre-alteration
data.

(15)  "Nuisance Species" shall mean species of flora  or
fauna  whose  noxious  characteristics  or  presence  in
sufficient   number,   biomass,  or  areas  extent  may
reasonably  be  expected  to  prevent,  or unreasonably
interfere vith, a designated use of those waters.

(16)  "Nursery  Area  of Indigenous Aquatic Life" shall
mean  any  bed  of the following aquatic plants, either
in  monoculture  or  mixed:    Halodue  spp., Halophila
engelmannii,   Potamogeton   spp.,  (pondweed),  Ruppia
maritima  (widgeon-grass), Sagittaria spp. (arrowhead),
Syringodium   filiforme,   (manatee-grass),   Thallasia
testudinum   (turtle   grass),   or   Vallisneria  spp.
(eel-grass),   or  any  area  used  by  the  early-life
stages,  larvae and post-larvae, of aquatic life during
the  period  of  rapid  growth and development into the
juvenile stages.

(17)   "Pollution"  shall  mean  the  presence  in  the
outdoor  atmosphere  or  waters  of  the  state  of any
substances,   contaminants,   noise,   or  man-made   or
man-induced   alteration  of  the  chemical,  physical,
biological  or  radiological  integrity of air or water
in   quantities   or   levels   which  are  or  may   be
potentially  harmful  or  injurious • to human health  or
welfare,  animal  or plant life, or property, including
outdoor recreation.

(18)  "Predominantly  Fresh  Waters" shall mean surface
waters  in  which  the  chloride  concentration  at the
surface is less than 1500 mg/L.

(19)  "Predominantly  Marine  Waters"  shall mean those
surface  waters  in which the chloride concentration  at
the surface is greater than or equal to 1500 mg/L.
                                                      /
(20)  "Propagation"  shall mean reproduction sufficient
to   maintain  the  species'   role  in  its  respective
ecological community.

(22)  "Secretary"  shall  mean  the  Secretary  of  the
Department of Environmental regulation.

(23)   "Shannon-Weaver  Diversity  Index"  shall  mean:
negative  summation  (i-1  to  S)  of  (ni/N) Iog2 (n.)
where  S  is  the  number of species in a sample, n.  is
the total number of individuals in species i.      x

(24)   "Special   Waters"   shall   mean  water  bodies
designated   in   accordance   with   17-3.041  by  the

             -21-

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                        Environmental  Regulation  Commission  for inclusion in
                        the  Special  Waters  Category  of  Outstanding Florida
                        Waters,   as  contained  in  Section  17-3.041,   Florida
                        Administrative  Code.    A Special Water may include all
                        or part  of any water body.

                        (25)  "Surface  Water"  means water upon the surface of
                        the   earth,   whether   contained  in  bounds  created
                        naturally  or  artificially  or  diffused.   Water from
                        natural  springs  shall  be classified, as surface water
                        when it exits from the spring onto the earth's surface.

                        (26)  "Waters" shall be defined in Section 403.031 (3),
                        Florida Statutes.

                        (27)   "Zone   of   Discharge"   shall  mean  a  volume
                        underlying  or  surrounding  the  site and extending to
                        the  base  of  a  specifically  disignated  aquifer  or
                        aquifers,   within   which   an   opportunity  for  the
                        treatment,   mixture   or  dispersion  of  wastes  into
                        receiving groundwaters has been afforded.

                        (28)  "Zone  of  Mixing"  or "Mixing Zone" shall mean a
                        volume  of  surface  water containing the point or area
                        of  discharge  and  within which an opportunity for the
                        mixture  of  wastes  with  receiving surface waters has
                        been afforded.


Georgia10               All  terms  used in this  Paragraph shall  be interpreted
                        in  accordance with definitions as set  forth in  the Act
                        and as otherwise herein  defined:

                        (a)  "reasonable  and  necessary  uses"   means drinking
                        water  supplies,  conservation  of fish,  game and  other
                        aquatic   life,   agricultural, industrial,  recreational,
                        and other legitimate  uses.

                        (b)  "Shellfish"  refers  to clams, oysters,  scallops,
                        mussels,  and other  mollusks.

                        (c)  "Intake  temperature"  is the natural or  background
                        temperature  of  a   particular   waterbody unaffected  by
                        any man-made discharge or thermal input.

                         (d)  ' "Coastal  waters"  are those littoral recreational
                        waters  on the ocean side of the Georgia coast.


 Hawaii11                "Ambient    conditions"   means   the   water   quality
                         conditions  that would occur in the receiving waters if
                         these  waters  were  not influenced by the proposed new
                         human activity.


                                      -22-

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tt
 Brackish   waters"   means   vaters   vith '  dissolved
inorganic  ions  (salinity)  greater than 0.5 parts per
thousand, but less than 30 parts per thousand.

"Fresh   waters"   means   all  waters  with  dissolved
inorganic ions of less than 0.5 parts per thousand.

"Saline  waters"  means  water with dissolved inorganic
ions greater than 30 parts per thousand.
n
 State  waters"  means  all waters, fresh, brackish, or
salt,  around  and  within  the  State  of Hawaii which
includes  all  the  islands of the Hawaiian Archipelago
together   with  their  appurtenant  reefs  and  waters
except the Midway Islands.

"Best  degree  of  treatment  or  control"  means  that
treatment  or  control  which is required by applicable
statutes  and  regulations  of  the State of Hawaii and
the  Federal  Water  Pollution Control Act, as amended,
or   which  is  otherwise  specified  by  the  Director
considering    technology   or   management   practices
currently available in relation to the public interest.

"Streams"  means  seasonal  or continuous water flowing
in  all  or  part  of  natural  channels as a result of
either  surface water runoff or ground water influx, or
both.    Streams   may   be   either   "perennial"   or
"intermittent".

"Perennial  streams"  means  fresh  waters flowing dovn
altitudinal  gradients  in  definite  natural channels,
portions  of  which  may  be modified. In such streams,
flowing  water  is  present  all year though volume may
vary.    Such  streams  may  be  continuous, with water
flowing  to the ocean all  year, or interrupted, having
flow  and/or  ecologically  significant bodies of water
only  in  parts of the channel, with seasonal discharge
to the ocean.
                                                     r
"Intermittent  streams"  means fresh water flowing down
altitudinal  gradients  in  definite  natural  channels
only during part of the year.

"Spring  and  seeps" means small, perennial, relatively
constant  fresh  water  flows not in distinct channels,
such  as  wet films, or trickles over rock surfaces, in
which   the  water  emanates  from  elevated  aquifers.
Springs  and  seeps  may  be  either stream associated,
occurring  in  deeply  cut  valleys and contributing to
stream  flow;  or  coastal, occurring on coastal cliffs
and usually flowing into the ocean.
             -23-

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                                                                                     I
                       "Natural  lakes"  means  deep  standing  water   that  is
                       always fresh,  in well-defined natural basins.                °\
                                                                                     i
                       "Reservoirs"   means  deep  standing water that is always
                       fresh, .  in    well   defined   artificially    created      ^
                       impoundments.                                                  /

                       "Elevated  wetlands"  means  shallow  standing water that
                       is  always  fresh,  in   more or less indistinct basins        j
                       such   as.  natural  bogs,   ponds,   and  marshes.   Such        i
                       wetlands  are  found in undisturbed areas,  mainly remote
                       uplands and forest reserves.

                       "Low  wetlands"  means   shallow  standing  water that  is
                       always  fresh, ponds  or  marshes.   Such wetlands are
                       found in  lowland  areas  near  coasts  or  in  valley
                       termini  modified  by  man.  Their origin may be natural
                       or  man-made.

                       "Coastal  wetlands" means  natural or man-made ponds and        {
                       marshes  having  variable  salinity, basin limits, and
                       permanence.      Such    wetlands   usually  adjoin  the
                       coastline  but are  not surface connected to  the ocean
                       except    in   rare  circumstances.     They   are   usually
                       without   tidal fluctuations.  Most  are  characterized  by
                       introduced biota,  especially fishes.

                        "Anchialine   pools"   means standing waters that vary in
                       salinity   and   basin   limits  and  are   not   surface
                        connected  to  the  ocean  except  in rare circumstances.
                        Such  pools   are  natural brackish  water exposures which
                        are  near  coastlines   in   recent   lavas and rarely,  in
                        fossil  reefs  and which have tidal fluctuations.  They
                        are  usually  small,   shallow pools of  low salinity one
                        to  ten  parts  per thousand with distinctive biota but
                        usually  no    fishes.     The  bottom of  deeper pools may
                        have higher salinities.

                        "Estuaries"    means  deep  characteristically   brackish
                        coastal   waters   in   well-defined   basins   with  a
                        continuous  or seasonal surface connection  to  the  ocean
                        that  allows  entry  of  marine fauna.  Estuaries may be
                        either  natural,   occurring  mainly  at stream or  river       !
                        mouths;   or   developed,    artificially    or   strongly
                        modified  from  the  natural state, such  as dredged and
                        revetted stream termini.

Idaho12                 DEFINITIONS   AND ABBREVIATIONS.  For the  purpose  of  the
                        rules  contained  in  Title 1, Chapter 2,  the  following       /
                        definitions and abbreviations apply:        (1-30-80)          J

                        01.  Appropriate  Beneficial Use.    Any  of the various       ,
                             uses  which  may  be  made  of   the water  of  Idaho,       j
                             including,  but  not  limited   to,  domestic   water

                                      -24-                                             1

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    supplies,  industrial  water supplies, agricultural
    vater  supplies,  navigation,  recreation in and on
    the   water,   wildlife  habitat,  and  aesthetics.
    Appropriateness  is  dependent upon actual use, the
    ability  of  a  water to support a non-existing use
    either  now or in the future, and its likelihood of
    being  used  in a given manner.  The use of a water
    for . the  purpose  of  wastewater  dilution or as a
    receiving  water  for  a  waste  treatment facility
    effluent is not an appropriate beneficial use.
                                          (1-30-80)

02. Best   Management   Practice.      A   practice  or
    combination   of   practices   determined   by  the
    Department   to   be   the   most   effective   and
    practicable  means  of  preventing  or reducing the
    amount of pollution generated by nonpoint sources.
                                          (1-1-85)

03. Biochemical  Oxygen  Demand  (BOD).  The measure of
    the  amount  of  oxygen  necessary  to  satisfy the
    biochemical   oxidation   requirements  of  organic
    materials  at  the  time  the  sample is collected;
    unless  otherwise  specified,  this  term will mean
    the five (5) day BOD incubated at 20°C.
                                          (6-28-73)

04. Bio.ta.    The  plants  and  animals  of a specified
 .   area.                                 (1-30-80) .

05. Board.  The Board of Health and Welfare.
                                          (1-30-80)

06. Daily  Average.    The average of measurements made
    over a twenty-four (24) hour period.  (1-30-80)

07. Deleterious  Material.    Any  substance  which may
    cause  the  tainting  of  edible  species  of fish,
    taste  and odors in drinking water supplies, or the
    reduction   of   the  usability  of  water  without
    causing physical injury to water users.
                                          (1-30-80)

08. Department.    The  Idaho  Department of Health and
    Welfare.                              (1-30-80)

09. Desirable  Species.   Species indigenous to the area
    or  those  introduced by the Department of Fish and
    Game.                                 (1-30-80)

10. Director.    The  Director  of  the  Department  of
    Health and Welfare or his authorized agent.
                                          (1-30-80)
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11. Discharge.
    release  of
    State.

12. Disinfection.
                  When  used without qualification, the
                 a  pollutant  into  the  vaters of the
                                          (1-30-80)
    	    A method of reducing the pathogenic
    or  objectionable  organisms  by means of chemicals
    or other acceptable means.            (6-28-73)
                              The measure of the amount
                              in   the  water,  usually
13. Dissolved  Oxygen  (DO).
    of   oxygen   dissolved
    expressed in mg/1.

14. Effluent.      Any  vastevater  discharged  from  a
    treatment facility.                   (1-30-80)

15. EPA.  The U.S. Environmental Protection Agency.
                                          (6-28-73)

16.  Fecal Coliform.  The portion of the coliform group
    of  bacteria  present  in  the  gut  and  feces  of
    varm-blooded  animals,  usually expressed as number
    of organisms/100 ml of sample.        (1-30-80)

17. Full  Protection, Full Support, or Full Maintenance
    of  Protected Beneficial Uses of Water.  Compliance
    withthose levels of water quality criteria listed
    in  Idaho  Department  of  Health and Welfare Rules
    and Regulations Sections 01.2200 and 01.2250.
                                          (3-3-87)

18. Geometric   Mean.     The  geometric  mean  of  "n"
    quantities  is  the "nth" root of the product of the
    quantities.                          (6-28-73)

19. Groundwater.    Subsurface water comprising  the zone
    of saturation.

20. Hazardous  Material.   A material or combination of
    materials  which,  when  discharged in any  quantity
    into  State   waters,  presents a substantial present
    or  potential  hazard  to  human health,  the public
    health,  or   the   environment.    Unless  otherwise
    specified,    published   guides   such  as  Quality
    Criteria  for Water  (1976) by E.P.A., Water Quality
    Criteria  (Second Edition,   1963)  by  the  State of
    California   Water  Quality   Control  Board,   their
    subsequent revisions,  and   more  recent   research
    papers,  regulations and guidelines will  be used in
    identifying   individual and  specific materials and
    in  evaluating   the   tolerances  of   the  identified
    materials  for the beneficial  uses  indicated.
                                           (1-30-80)
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2-1. Hypo limn ion.    The  deepest  zone  in a thermally-
    stratified  body of water.  It is fairly uniform in
    temperature  and lies beneath a zone of vater vhich
    exhibits  a rapid temperature drop with depth of at
    least 1°C per meter.                  (1-30-80)

22. Inter-Departmental   Coordination.     Consultation
    vith -those  agencies  responsible for enforcing or
    administering  the  practices  listed  as  approved
    best  management  practices  in Idaho Department of
    Health  and  Welfare  Rules and Regulations Section
    01.2300,05.                           (3-3-87)

23. Land  Application.  A process of activity involving
    application   of   vastevater,  surface  vater,  or
    semi-liquid  material  to  the land surface for the
    purpose   of   disposal,   pollutant   removal,  or
    groundwater recharge.                 (1-1-85)

24. Man-made  Vatervays.   Canals, flumes, ditches, and
    similar  features,  constructed  for the purpose of
    water conveyance.                     (1-30-80)

25. Milligrams  Per Liter (mg/1).  Milligrams of solute
    per  liter  of  solution,  equivalent  to parts per
    million, assuming unit density.

26. Mixing  Zone.    A  defined  area  or volume of the
    receiving   water  surrounding  or  adjacent   to  a
    wastevater  discharge vhere the receiving water, as
    a  result  of  the  discharge,  may  not  meet  all
    applicable  water  quality  criteria  or standards.
    It  is  considered  a  place where wastewater  mixes
    with  receiving  water  and  not  as  a place  where
    effluents are treated.                (1-30-80)

27. Nonpoint  Source.    A  geographical  area  on which
    pollutants  are  deposited or dissolved or suspended
    in  water  applied  to or incident on that area, the
    resultant  mixture  being discharged into the  waters
    of  the State.  Nonpoint sources  include but are not
    limited to:                       (1-30-80)

    a. Irrigated and nonirrigated lands used for:
                                          (1-30-80)

       i.   Grazing; and                  (1-30-80)

       ii.  Crop production;  and          (1-30-80)

       iii. Silviculture; and             (1-30-80)

    b. Log  storage or  rafting;  and         (1-30-80)
              -27-

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    c.  Construction sites; and            (1-30-80)

    d.  Recreation sites;                  (1-30-80)

    e.  Septic tank disposal fields; and   (1-30-80)

    f.  Other  sources  and  activities  not  subject to
       regulation   under  Federal  National  Pollutant
       Discharge Elimination System.      (1-30-80)
28. Nuisance.    Anything  which  is  injurious  to the
    public  health  or  an obstruction to the free use,
    in  the  customary  manner,  of  any  waters of the
    State.                                (1-1-85)

29. Nutrients.   The major substances necessary for the
    growth  and  reproduction  of  aquatic  plant life,
    consisting  of  nitrogen,  phosphorus,  and  carbon
    compounds.                            (1-30-80)

30. Person.    An individual, corporation, partnership,
    association,   state,   municipality,   commission,
    political  subdivision  of the state, state agency,
    federal  agency,  special  district  or  interstate
    body.                                 (1-30-80)
31. Petroleum   Products.
Products   derived  from
    petroleum through various refining processes.
                                           (1-30-80)

32. Point  Source.    Any  discernible,  confined,  and
    discrete  conveyance,  including but not limited  to
    any  pipe,  ditch,  channel,  tunnel, conduit, well,
    discrete    fissure,   container,   rolling   stock,
    concentrated  animal  feeding operation, or vessel
    or  other   floating  craft,   from  which pollutants
    are,  or  may   be, discharged.  This terms does not
    include  return flows   from  irrigated agriculture,
    discharges  from  dams and hydroelectric generating
    facilities- or  any source or activity considered a
    nonpoint source by definition.         (1-10-86)

33. Pollutant.        Dredged   spoil,   solid   waste,
    incinerator   residue,   sewage,   garbage,  sewage
    sludge,   munitions,   chemical  waste,   biological
    mater als,  radioactive  materials, heat,  wrecked  or
    diseased   equipment,   rock, sand,   silt,  cellar
    dirt;  and  industrial,  municipal and agricultural
    waste,   gases   entrained    in   water;   or   other
    materials   which,  when  discharged   to   water  in
    excessive   quantities, cause  or  contribute to  water
    pollution.                .             (1-30-80)
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34. Potable   Water.    A  water  which  is  free  from
    impurities  in  such  amounts  that  it is safe for
    human consumption without treatment.  (1-1-85)

35. Primary  Treatment.    Processes  or  methods  that
    serve  as  the first stage treatment of wastewater,
    intended  for  removal  of suspended and settleable
    solids   by   gravity  sedimentation;  provides  no
    changes  in  dissolved  and colloidal matter in the
    sewage or wastes flow.                (1-30-80)

36. Project  Plans.    Documents which describe actions
    to  be  taken  under  a  proposed  activity.  These
    documents  include environmental impact statements,
    environmental  assessments,  and  other land use or
    resource management plans.            (2-2-83)

37. Receiving  Waters.    Those waterways which receive
    pollutants from point or nonpoint sources.
                                          (1-30-80)

38. Recharge.   The process of adding water to the zone
    of saturation.                        (1-1-85)

39. Recharge   Water.     Water  that  is  specifically
    utilized  for  the  purpose  of adding water to the
    zone of saturation.                   (1-1-85)

40. Saturated  Zone.  Zone or layer beneath the earth's
    surface  in which all of the pore spaces of rock or
    soil are filled with water.           (1-1-85)

41. Schedule  of  Compliance.    A schedule of remedial
    measures  which may include an enforceable sequence
    of  actions  or  operations  leading  to compliance
    with  an  effluent  limitation,  other  limitation,
    prohibition, or standard.             (6-28-73)

42. Secondary  Treatment.  Processes or methods for the
    supplemental  . treatment   of  wastewater,  usually
    following  primary  treatment, to affect additional
    improvement  to  the  quality of the treated wastes
    by  biological  means  of  various   types which are
    designed to remove or modify organic matter.
                                          (1-30-80)

43. Sewage.    The  water-carried human  or animal waste
    from      residences,     buildings,      industrial
    establishments  or other places, together with such
    groundwater  infiltration  and surface water as may
    be present.                           (1-30-80)
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44. Sludge.    The semi-liquid mass produced by partial
    devatering  of  potable  or spent process vaters or
    wastewater.                           (1-30-80)

45. Special  Resource  Water.   Those specific segments
    or  bodies of water which are recognized as needing
    intensive protection:                 (1-30-80)

    a- To     preserve     outstanding     or    unique
       characteristics; or                (1-30-80)

    b. To maintain current beneficial use.
                                          (1-30-80)
46. Specialized   Best  Management  Practices.    Those
    practices  designed  with consideration of geology,
    land  type,  soil type, erosion hazard, climate and
    cumulative  effects  in  order to fully protect the
    beneficial  uses of water, and to prevent or reduce
    the pollution generated by nonpoint sources.
                                          (3-3-87)

47. State.  The State of Idaho.           (6-28-73)

48. Subsurface  Disposal.    Disposal of effluent below
    ground  surface,  including,  but  not  limited to,
    drainfields or sewage  beds.           (1-30-80)

49. Suspended   Sediment.      Organic   and  inorganic
    particulate  matter which has been removed  from its
    site  of  origin  and  measured  while suspended  in
    surface water.                        (1-1-85)

50. Treatment.    A  process  of activity conducted for
    the purpose of removing pollutants from wastewater.
                                          (1-30-80)

51. Treatment  System.     Any physical facility or land
    area  for  the   purpose  of  collecting,   treating,
    neutralizing  or stabilizing  pollutants including
    treatment   by   disposal    plants,   the   necessary
    intercepting,  outfall and  outlet  sewers, pumping
    stations   integral    to  such   plants  or  sewers,
    equipment   and    furnishing   thereof    and  their
    appurtenances.
                                           (1-1-85)

 52. Trihalomethan    (THM). THM  means  one of  the family
    of  organic   compounds named   as   derivatibles   of
    methane,   wherein   three   (3)   of   the   four  (4)
    hydrogen   atoms  in  the  molecular  structure   of
    methane  are  substituted  by one (1)  of the chemical
     elements chlorine,  bromine or  iodine. (1-1-85)

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                        53. Unique  Ecological  Significance.  The attribute of
                            any  stream  of  water  body  which is inhabited or
                            supports  an  endangered species of plant or animal
                            or  a  species of special concern identified by the
                            Department   of   Fish  and  Game,  which  provides
                            anadromous   fish   passage,   or   which  provides
                            spawning  of  rearing  habitat  for  anadromous  or
                            desirable species of lake dwelling fishes.
                                                                  (1-30-80)

                        54. Vastewater.    Unless  otherwise specified, sewage,
                            industrial    waste,    agricultural   waste,   and
                            associated   solids   or   combinations  of  these,
                            whether  treated  or  untreated, together with such
                            water as is present.                  (1-30-80)

                        55. Water  Pollution.   Any alteration of the physical,
                            thermal,   chemical   biological,   or  radioactive
                            properties  of  any  waters  of  the  State, or the
                            discharge  of  any pollutant into the waters of the
                            State,   which  will  or  is  likely  to  create  a
                            nuisance   or   to   render  such  waters  harmful,
                            detrimental  or  injurious to public health, safety
                            or    welfare,    or   to   domestic,   commercial,
                            industrial,   recreational,   aesthetic,  or  other
                         *  beneficial uses.                      (1-30-80)

                        56. Waters   and   Waters-  of  the  State.    All  the
                            accumulations  of  water,  surface and underground,
                            natural  and  artificial,  public  and  private, or
                            parts   thereof   which  are  wholly  or  partially
                            within,  which  flow  through  or  border  upon the
                            State.                                (1-30-80)

        13
Illinois                Act: means the Illinois Environmental Protection Act.

                        Administrator:  means  the  Administrator of the United
                        States Environmental Protection Agency or his designee.

                        Agency:    means  the Illinois Environmental Protection
                        Agency.

                        Aquatic  Life:    means  native populations of fish and
                        other aquatic life.

                        Artificial   Cooling  Lake;  means  any  manmade  lake,
                        reservoir  or other impoundment, constructed by damming
                        the  flow of a stream, which is used to cool the waters
                        discharged  from  the  condensers  of  a steam-electric
                        generating  plant for recirculation in substantial part
                        to the condensers.


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Basin:    means  the  area  tributary to the designated
body of water.

Board:  means the Illinois Pollution Control Board

Calumet- River  System:    means the Calumet Riverr the
Grand   Calumet   River,   the   Little  Calumet  River
downstream  from its confluence with the Grand Calumet,
the Calumet-Sag Channel, and the Calumet Harbor Basin.

Chicago  River System:  means the Chicago River and its
Branches,  the  North  Shore  Channel,  and the Chicago
Sanitary and Ship Canal.

Combined   Sewer:      means   a   sewer  designed  and
constructed to receive both wastewater and land runoff.

Combined   Sewer  Service  Area:    means  a  specified
geographical  drainage  area served by a combined sewer
system.    Areas served by separate sewer systems which
enter   the   combined   system   are   not   included.
Undeveloped  areas within a combined sewer service area
may  be  included in that area if deemed appropriate by
the Agency pursuant to the guidelines in Rule 602(a).

Construction:       means   commencement   of   on-site
fabrication,  erection,  or installation of a treatment
works,    sewer,   or   wastewater   source;   or   the
reinstallation  at a new site of any existing treatment
works, sewer or wastewater source.

Dilution  Ration:    means  the  ratio of the seven-day
once   in  ten  year low flow of  the receiving stream or
the   lowest  flow of  the receiving stream when effluent
discharge  is  expected to occur, whichever is greater,
to  the  average  flow  of  the  treatment works for the
design year.

Effluent:    means  any wastewater discharged, directly
or  indirectly,   to   the  waters of the  State or  to any
storm  sewer,  and  the  runoff  from land used for the
disposition   of  wastewater  or  sludges,  but does not
otherwise  include  nonpoint  source discharges such  as
runoff  from   land or any livestock management  facility
or    livestock  waste handling  facility  subject   to
regulation  under  Chapter  5 of the  regulations  of  the
Pollution Control Board.

"FWPCA"  means the Federal Water Pollution Control Act,
as  amended,   33  U.S.C.  1251  et  seq.  Public Law 92-500,
enacted by  the Congress  October  18,  1972,  as  amended.

Bearing Board:  , shall mean  an  Agency  hearing  board  of
one  or more  employees  appointed   by the Director  in

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accordance   vith   the  requirements  of  Rule  909(b)
hereof,  which  shall  conduct public hearings and make
recommendations  to  the  Agency  vith  respect  to the
issuance or denial of NFDES permits.

Industrial   Wastes:    means  any  solid,  liquid,  or
gaseous  vastes  resulting  from  any process or excess
energy   resulting   from  any  progress  of  industry,
manufacturing,   trade,   or   business   or  from  the
development   processing   or   recovery,   except  for
agricultural crop raising, of any natural resource.

Institute:  means  the  Illinois  Institute  of Natural
Resources.

Interstate  Waters:  are all waters which cross or form
part of the border between Illinois and other states.

Intrastate  Waters:    are  all  the waters of Illinois
which are not interstate waters.

Land  Runoff:    means water reaching the waters of the
State as runoff resulting from precipitation.

Marine  Toilet:    means  any  toilet  on or within any
watercraft.
         »
Modification, means:
(1)  Any  physical  change  in  a treatment works which
involves   different   or   additional   processes   or
equipment  or which increases or decreases the capacity
or efficiency of the treatment works; or

(2)  Any  change  in  the  number of location of points
where  effluent  is  discharged, directly or indirectly
to the waters; or

(3)  Any  change  in  any  components of a sewer system
which  alters  the  quantity  of  wastewater capable of
being  conveyed,  or  which  increases or decreases the
quantity  of  wastewater capable of being discharged 'at
overflow or bypass structures; or

(4)   Any   increase  in  quantity  or  strength  of  a
discharge  from  any  wastewater  source,  unless  such
increase  does  not  exceed an upper limit specifically
allowed  by  an  existing  Permit granted by the Agency
and   does  not  involve  any  additional  contaminants
contained  in  standards  set  by this Chapter that are
not itemized and approved in an existing Agency permit.
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Nev   Source:      means  any  vastevater  source,  the
construction  of  vhich  is  commenced  on or after the
effective  date  of  the  applicable provisions of this
Chapter.

NPDES:   means   the   National   Pollutant   Discharge
Elimination    system    for    issuing,   establishing
conditions  for,  and denying permits under Section 402
of  the  FVPCA. All terms used in connection vith NPDES
vhich  have  been  defined  in the FVPCA or regulations
adopted  thereunder  shall  have the meanings specified
therein, unless specifically noted otherwise.

Other  Wastes:    means garbage, refuse, vood residues,
sand,  lime,  cinders,  ashes, offal, night soil, silt,
oil,  tar,  dye  stuffs, acids, chemicals and all other
substances   not   sewage  or  industrial  waste  whose
discharge  would  cause  water pollution or a violation
of the effluent or water quality standards.

Person:        means   any   individual,   partnership,
copartnership,      firm,     company,     corporation,
association,   joint   stock  company,  trust,  estate,
political  subdivision,  state  agency,  or  any  other
legal  entity,  or their legal representative, agent or
assigns.

Pollutant:      means   dredged   spoil,  solid  waste,
incinerator  residue,  sewage,  garbage, sewage sludge,
munitions,   chemical   wastes,  biological  materials,
radioactive   materials,  heat,  wrecked  or  discarded
equipment,   rock,  sand,  cellar  dirt  and industrial,
municipal    and   agricultural  waste   discharged  into
water.    This  term  does  not  mean   (A) 'sewage from
vessels'  within  the  meaning  of   the FVPCA;  or (B)
water,  gas, or other material which is injected into  a
well   to  facilitate  production  and   disposed of in  a
well,   if the well used either  to facilitate production
or   for disposal purposes is approved by the Department
of  Mines   and Minerals, and if the  Department of Mines
and    Minerals   determines    that   such   injection  or
disposal  will  not result in  the degradation  of  ground
or surface  water resources.

Population   Equivalent:   is a  term used to evaluate  the
impact of   industrial  or  other  waste on  a  treatment
works  or   stream.  One   populatici  equivalent   is  100
gallons  of  sewage   per  day,  containing 0.17  pounds of
BODS  and   0.20  pounds  of  suspended  solids.   The  impact
on   a treatment  works  is  evaluated as  the  equivalent of
 the   highest  of   the   three   parameters.  Impact  on  a
stream  is   the  higher  of  the  BODS and  suspended  solids
parameters.

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Pretreatment  Works:   means a treatment works designed
and  intended  for  the  treatment of vastevater from a
major  contributing industry, as defined in 40 CFR 128,
before  introduction into a sever system tributary to a
public owned or public regulated treatment works.

(Editor's  note:   The federal Environmental Protection
Agency  June 26, 1978 (43 FR 27736) replaced 40 CFR 128
-  Pretreatment  Standards  -  with  40 CFR 403-General
Pretreatment  Regulations  for Existing and New Sources
of Pollution, effective August 25, 978)

Primary  contact:    means  any  recreational  or other
water  use  in  which  there  is prolonged and intimate
contact  with  the water involving considerable risk of
ingesting  water  in  quantities  sufficient  to pose a
significant  health  hazard, such as swimming and water
skiing.

Public  and  Food  Processing  Water Supply:  means any
water  use  in  which  water  is withdrawn from surface
wate'rs  of  the  State  for  human  consumption  or for
processing   of   food   products  intended  for  human
consumption.

Publicly  Owned  Treatment  Works:    means a treatment
works  owned  by  a  municipality,  sanitary  district,
county,  or  state  or federal agency, and which treats
domestic  and industrial wastes collected by a publicly
owned  or regulated sewer system.  Industrial treatment
works  which  are  publicly  owned and financed by bond
issues  of  public  agencies  are  not included in this
definition.

Publicly   Regulated  Treatment  Works:    means  those
otherwise  private  companies  which  are  regulated as
public  utilities  engaged  in the disposal of domestic
and  industrial  wastes  and  regulated  as such by the
Illinois   Commerce  Commission,  pursuant  to  an  Act
concerning  Public Utilities, Illinois Revised Statutes
1977, CH.lll 2/3; par.l et seq.

Sanitary  Sewer:  means a sewer that carries wastewater
together with incidental land runoff.

Secondary  Contact:    means  any recreational or other
water  use  in  which  contact with the water is either
incidental  or  accidental and in which the probability
of   ingesting   appreciable . quantities  of  water  is
minimal,  such  as fishing, commercial and recreational
boating  and  any limited contact incident to shoreline
activity.
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Sevage:    means water carried human and related wastes
from any source.

Sewer:    means  &  stationary  means  of  transport or
stationary   system  of  transport,  excluding  natural
waterways,  constructed and operated for the purpose of
collecting  and transporting wastewater or land runoff,
or both.

Standard  of  Performance:    means  a standard for the
control  of the discharge of pollutants, promulgated by
the  Administrator  pursuant  to  Section  306  of  the
FVPCA,  for  the control of the discharge of pollutants
which   reflects   the   greatest  degree  of  effluent
reduction  which  the  Administrator  determines  to be
achievable  through  application  of the best available
demonstrated  control  technology, processes, operating
methods,   or   other  alternatives,  including,  where
practicable,  a  standard  permitting  no  discharge of
pollutants.

STORET:    means the national water quality data system
of the Federal Environmental Protection Agency.

Storm  Sewer:    means a sewer intended to receive only
land runoff.

Treatment  Works:    means individually or collectively
those  constructions  or  devices,  (except sewers, and
except    constructions   or   devices   used    for  the
pretreatment  of  wastewater  prior to its introduction
into   publicly owned or regulated  treatment works) used
for  collecting,  pumping,  treating,  or  disposing of
wastewaters  or  for  the  recovery of by-products from
such wastewater.

Underground  Waters:    means  any waters of  the state
located beneath  the surface of the earth.

Wastewater:    means sewage,  industrial waste,  or other
waste,  or any  combination of  these, whether  treated or
untreated, plus  any admixed land  runoff.

Wastewater   Source:   means any equipment,  facility, or
other  point   source   of  any  type  whatsoever  which
discharges   wastewater,   directly or  indirectly (except
 through  a   sewer   tributary   to  a treatme it  works),  to
 the waters of  the  State.

Watercraft:     means  every  type  of  boat,  ship or barge
used    or   capable   of   being   used   as   a   means   of
 transportation on  water.
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                        Waters:   means all accumulations of vater, surface and
                        underground,   natural   and   artificial,  public  and
                        private,   or   parts  thereof,  which  are  wholly  or
                        partially  within,  flow  through,  or  border upon the
                        State  of  Illinois,  except  that sewers and treatment
                        works   are   not   included   except  as  specifically
                        mentioned;  provided,  that  nothing  therein contained
                        shall   authorize  the  use  of  natural  or  otherwise
                        protected  waters  as  sewers or treatment works except
                        that   in-stream   aeration   under  Agency  permit  is
                        allowable.

       14
Indiana                 Advanced  Treatment - Treatment in excess of that which
                        can be provided by secondary treatment.

                        Application  Factor - A numerical factor applied to the
                        median    lethal    concentration    to   provide   the
                        concentration  of  a toxic substance that is considered
                        to be safe for organisms in the waters of the State.

                        Average  - Unless otherwise specified, the arithmetical
                        average of a set of numbers.

                        Board - The Vater Pollution Control Board.

                        Coliform  Bacteria  - All the aerobic and facultatively
                        anaerobic,gram-negative,  nonsporeforming  bacilli that
                        produce acid and gas from the 'fermentation of lactose.

                        Community  -  A general collective term to describe the
                        varieties  of  aquatic species and associated organisms
                        living together in a water body.

                        Effluent  -  A wastewater discharge from a point source
                        to the waters of the State.

                        Fecal  Coliforms  -  Coliform bacteria that produce gas
                        from  lactose in a special, buffered broth incubated at
                        45.5°C.
                                                                             t
                        Indigenous  -  An organism growing and reproducing in a
                        particular region.

                        Mixing  zone - An area contiguous to a discharge where,
                        as  a result of said discharge, receiving water quality
                        may .not  meet all water quality standards. Any time an
                        effluent  is  added  to  a receiving waterway where the
                        effluent  is poorer in quality, there will be a zone of
                        mixing.    The mixing zone should be considered a place
                        where  wastes  and  receiving  waters  mix and not as a
                        place where effluents are treated.

                        Partial  Body  Contact  - Any contact with water up to,
                        but not including, complete submergence.

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Point  Source  -  A  discernible, confined and discrete
conveyance,   from   which  vastevater  is  or  may  be
discharged to the waters of the State.

Policy *  -   As   employed   herein,   a  statement  of
administrative  practice  of decision-making guidelines
to  be  followed  or  implemented to the maximum extent
feasible  with  respect  to  an  identified problematic
situation  but  to be less than strictly enforceable in
contrast to a standard or rule of law.

Potable  Water  Supply  - Vater considered satisfactory
for  domestic consumption which has physical, chemical,
and    bacteriological    qualities   that   meet   the
requirements adopted by the Board.

Public  Water  Supply  -  Any wells, reservoirs, lakes,
rivers,   sources   of  supply,  pumps,  mains,  pipes,
facilities,  and  structures  through  which  water  is
obtained,  treated  as  may  be  required, and supplied
through  a  water  distribution  system  for sale to or
consumption  by  the  public for drinking, domestic, or
other  purposes,  including State-owned facilities even
though the water may not be sold to the public.

Secondary  Treatment  - Municipal waste water  treatment
facilities  shall be defined as  those necessary.to meet
40  CFR,  Part  133.  Secondary  treatment for combined
sewer overflows shall be determined by the Board.

Semi-Public  Wastewaters  -  Domestic wastewaters which
are  public in character although collected  and  treated
by  an entity other  than a Federal, State, or  Municipal
governmental   entity   (with   the  exception  of rural
school   corporation).   An example would be  wastewaters
from  a  mobile  home   park  or  residential  subdivision
located  outside municipal corporation boundaries which
are  collected  and  treated by a privately-owned sewage
treatment  facility.

Standard  -    A  definite numerical  value or  narrative
statement  promulgated   by   the  Board   to   maintain  or
enhance  water quality  to provide  for and  fully  protect
a designated  use of  the waters of  the State.

Toxic   Substances  - Materials  which are  or may b jcome
harmful   to   plant   or   animal  life,  or  to  food c lains
when    present    in   sufficient    concentrations    or
combinations.

Waters   of  the   State   -   Such  accumulations of water,
surface   and   underground,   natural  and  artificial,
public  and  private, or parts  thereof,  which are wholly

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                        or  partially  within,  flow  through,  or border upon,
                        this  State,  but the term does not include any private
                        pond,  or  any  pond,  reservoir  or facility built for
                        reduction  or  control of pollution or cooling of water
                        prior  to  discharge * unless  the  discharge  therefrom
                        causes or threatens to cause water pollution.

                        Water  Use  Designations  -  A use of the waters of the
                        State  as established by this regulation, including but
                        not  limited  to  industrial water supply, agricultural
                        use,  public  water supply, total body contact, partial
                        body contact, fish and other aquatic life.

                        Weil-Balanced  Fish  Community - A fish community which
                        is  as  diverse  in species composition and as abundant
                        in  numbers  or  biomass  at all levels as a particular
                        aquatic habitat is capable of supporting.

                        Whole  Body  Contact - Direct contact with water to the
                        point of complete submergence.

Iowa                    "Act"  means the Federal Water Pollution Control Act as
                        amended  by  the  Federal  Water  Pollution Control Act
                        Amendments  of  1972  (pub.L 92-500, 86 Stat. 816 U.S.C.
                        ss!251 et seq.
                                                          *
                        "Administrator"  means  the administrator of the United
                        States  Environmental  Protection  Agency (EPA) 401 "m"
                        Street, S.W., Washington, O.C. 20460.

                        "ASTM"  means  "Annual  Book  of  Standards,  Part  31,
                        Water,  1975".  The   publication  is available from The
                        American  Society  for Testing and Materials, 1916 Race
                        St., Philadelphia, Pennsylvania 19103

                        "Best  management  practice"  (BMP) means a practice or
                        combination  of  practices  that  is  determined, after
                        problem    assessment,   examination   of   alternative
                        practices,  and appropriate public participation, to be
                        the     most    effective,    practicable    (including
                        technological,      economic      and     institutional
                        considerations)  means  of  preventing  or reducing the
                        amount  of pollution  generated by nonpoint sources to  a
                        level compatible with water quality goals.

                        "Biochemical   oxygen  demand  (five-day)"  means  the
                        amount  of  oxygen consumed in the biological processes
                        that  break  down  organic  matter  in water by aerobic
                        biochemical action in five days at 20°C.

                        "Continuing   planning   process"   (CPP)   means   the
                        continuing  planning  process,  including  any revision
                        thereto,  required   by  sections   208 and 303(e) of the
                        Federal  Water  Pollution  Control  Act  as amended (33

                                     -39-

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U.S.C.ss  1288  and  1313(e)  for state vater pollution
control agencies.

The  continuing  planning  process  is  a  time  phased
process    by    which    the    department,    working
co-operatively   with   designated   areawide  planning
agencies:

a.    .    Develops    a    water   quality   management
decision-making  process involving elected officials of
state    and    local    units    of   government   and
representatives    of   state   and   local   executive
departments  that  conduct  activities related to water
quality management.

b.    Establishes an intergovernmental process (such as
co-ordinated  and  co-operative programs with the state
conservation  commission in aquatic life and recreation
matters,  department  of  soil conservation in nonpoint
source  pollution  control  matters,  and   the  natural
resources  council  in  water  resources matters) which
provides  for  water quality management decisions to be
made  on  an  areawide  or  local  basis  and  for   the
incorporation  of  such  decisions into a comprehensive
and   cohesive statewide program.  Through this process,
state  regulatory  programs  and  activities  will  be
incorporated     into    the   areawide  water   quality
management decision process.

c.    Develops a broad  based public  participation  (such
as  utilization   of   such   mechanisms as basin advisory
committees    composed   of   local   elected  officials,
representatives   of   areawide   planning  agencies,   the
public   at   large,,  and   conservancy  district advisory
committees)   aimed  at  both informing and  involving the
public  in the water quality management program.

d.     Prepares   and  implements  water quality management
plans,    which    identify   water   quality  goals   and
established    state   water  quality  standards,   define
specific   programs,    priorities   and   targets   for
preventing   and   controlling   water   pollution   in
 individual   approved   planning  areas  and  establish
 policies  which  guide  decision-making over at least a
 twenty-year span of  time (in increments of five years).

'e.     Based  on the results of the statewide (state and
 areawide)   planning   process,   develops   the  state
 strategy   to  be  updated  annually,  which  sets  the
 state's  major objectives, approach, and priorities for
 preventing  and  controlling pollution over a five-year
 period.
              -40-

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f.    Translates  the  state  strategy  into the annual
state  program  plan (required under section 106 of  the
Federal    Act),    vhich   establishes   the   program
objectives,  identifies the resources committed for  the
state  program  each year, and provides a mechanism  for
reporting   progress   toward  achievement  of  program
objectives.

g.    Periodically  reviews  and  revises water quality
standards  as  required  under  Section  303(c)  of  the
Federal Act.
"
 CFR"   means   the  Code  of  Federal  Regulations  as
published  by  the  Superintendent  of  Documents, U.S.
Government Printing Office, Washington, D. C. 20402.

"Deep  well"  means  a  well located and constructed in
such  a  manner that there is a continuous layer of low
permeability  soil  or  rock  at  least five feet thick
located  at  least  25  feet  below  the  normal ground
surface  and  above  the aquifer from which water is to
be drawn.

"Department"  means  the  department  of  environmental
quality.

"EPA  Methods"  means "Methods for Chemical* Analysis of
Water   and  Wastes,"  1974,  Methods  Development  and
Quality   Assurance   Research   Laboratory,   National
Environmental  Research Center, Cincinnati, Ohio 45268:
U.S.   Environmental   Protection   Agency,  Office  of
Technology    Transfer.      Industrial   Environmental
Research  Laboratory,  Cincinnati,  Ohio  45268.   This
publication  is available from the Office of Technology
Transfer.

"Fecal  coliform"  means  the  portion  of the coliforra
group  which  is  present  in  the  gut or the feces of
warm-blooded  animals,  it includes organisms which are
capable  of  producing  gas  from  lactose  broth  in ,a
suitable  culture  medium  within 24 hours at 44.5 plus
or minus 0.2 C.

"FR"  means  the Federal Register, published, daily, by
the  Office  of the Federal Register, National Archives
and  Record  Service,  General Services Administration,
Washington,   D.C.   20408   and   distributed  by  the
Superintendent  of Documents, U. S. Government Printing
Office, Washington, D.C. 20402.

"Industrial   wastes"   means  any  solid,  liquid,  or
gaseous  wastes  or  excess  energy in the form of heat
resulting  from any process of industry, manufacturing,
trade,   or   business,   or   from   the  development,

             -41-

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processing  or  recovery,  except for agricultural crop
raising, of any natural resources.

"Local  public works department" means a city or county
public  works department, a board of trustees of a city
utility  organized  pursuant  to  Chapter  388, Code of
Iowa,  or  a sanitary sewer district organized pursuant
to Chapter 358, Code of Iowa.

"Low  permeability"  means a soil layer of well sorted,
fine  grain-sized  sediments  or  of  rock  that  under
normal    hydrostatic    pressures    would    not   be
significantly  permeable.    Low permeability soils may
include  homogeneous clays below the zone of weathering
mudstone, claystone, shale, and some glacial till.

"Major  contributing industry" means an industrial user
of a treatment works that:

a.    Has  a flow of 50,000 gallons or more per average
work day;

b.    Has  a flow greater  than five percent of  the flow
carried by the treatment works receiving  the waste;

c.   Has in its waste  a  toxic pollutant in  toxic  amount
as  defined in standards issued under section  307(a) of
the Act and adopted by reference  in 17.5(4558); or

d.    Is found by  the  department  in connection with  the
issuance  of  an   NPDES  permit   to  have a significant
impact,  either  singly  or   in   combination with other
contributing   industries,  on   that   treatment works or
upon  the quality of effluent  from that  treatment  works.

"Milligrams   per   liter   (mg/1)"   means   milligrams  of
solute   per   liter of  solution  (equivalent  to  parts  per
million - assuming unit density).  A microgram (ug) is
1/1000  of a  milligram.
                                                     i
"Navigable water"  means  a  water of the  United  States.

"Nephelometric"    means   the  nephelometric  method   of
determining   turbidity  as  stated in Standard Methods,
pp.  132-134.

 "Nonpoint   source" means a source of pollutants that is
not a point  source.

 "NPDES  permit" means an operation permit,  issued after
 the  department  has  obtained  approval  of  its NPDES
 program  from  the  administrator,  that authorizes the
 discharge of any pollutant into a navigable water.
              -42-

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"Pathogen"  means  any micro-organism or virus  that can
cause disease.

"pH"  means  the  hydrogen  ion  activity of a  solution
expressed  as  the  logarithm  of the reciprocal of the
hydrogen  ion  activity  in moles per liter at  25°C. pH
is  a  measure of the relative acidity or alkalinity of
the  solution.  The range extends from 0 to 14; 7 being
neutral,  0  to  7  being  acidic,  and  7  to  14 being
alkaline.

"Point  source"  means  any  discernible, confined, and
discrete  conveyance,  including,  but  not limited to,
any   pipe,  ditch,  channel,  tunnel,  conduit,  well,
discrete    fissure,    container,    rolling    stock,
concentrated  animal  feeding  operation,  or vessel or
other  floating craft, from which pollutants are or may
be discharged.

"Primary  contact"  means  any  recreational  or  other
water  use  in  which  there  is prolonged and  intimate
contact  with  the water involving considerable risk of
ingesting   water  in  quantities  sufficient   to  pose
significant   health   hazard,  such  as  swimming  and
waterskiing.

"Records    of    operation"    means   department *  of
environmental   quality  report  forms  or  such  other
report   forms,   letter  or  documents  which  may  be
acceptable  to  the  department  that  are  designed to
indicate  specific  physical,  chemical  or  biological
values for waste water during a stated period of time.

"Regional    administrator"    means    the     regional
administrator   of   the  United  States  Environmental
Protection  Agency,  Region VII, 1735 Baltimore, Kansas
City, Missouri 64108.

"Secondary  contact"  means  any  recreational  or other
water  use  in  which  contact with the water is either
incidental  or  accidental and in which the probability
of   ingesting   appreciable  quantities  of  water  is
minimal,  such  as fishing, commercial and recreational
boating   and   any   limited   contact  incidental  to
shoreline activity.

"Shallow  well" means a well located and constructed in
such  a manner that there is not a continuous five foot
layer  of  low  permeability  soil  or rock between the
aquifer  from  which  the  water  supply is drawn and a
point 25 feet below the normal ground surface.

"Standard  methods"  means  "Standard  Methods  for the
Examination  of  Vater  and Vaste Water", 14th  Edition,

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                        1975.   This publication is available from the American
                        Public  Health  Association,  1015  18th  Street, N.W.,
                        Washington, D.C. 20036.

                        "Temperature"  means  a  measure of the heat content of
                        water.  -

                        "Turbidity"  is  a  measure  of the optical property of
                        the  particles  of  mud,  clay,  silt,  finely  divided
                        organic  matter,  or microscopic organisms suspended in
                        water   that  interfere with light transmission, causing
                        the  light  to  be  scattered  and absorbed rather than
                        transmitted through the water in straight lines.

Kansas16                (b)  Definitions.    For  use in these regulations, the
                        following  definitions  shall be applicable, unless the
                        context obviously dictates otherwise:

                        (1)   "Acute    toxicity  level"  means  0.3  times  the
                        concentration   of  a substance that kills 50 percent of
                        a  test  species  in a short-term aquatic toxicity test
                        (less than or equal to 96 hours).

                        (2)  "Alluvial  aquifer"  means  the  sediment   that is
                        associated  with  and  deposited  by  a stream,  and that
                        contains water  capable of being produced from a well.

                        (3)  •"Artificial  sources"  means  sources of pollution
                        that  result  from human activities which can be abated
                        by   construction of control structures, modification of
                        operating  practices,  complete restraint of activities,
                        or some combination of  these methods.

                        (4)   "Base  flow" means  that portion, of  the stream flow
                        that is  not   contributed   to   the   stream  by surface
                        runoff.


                        (5)   "Bioaccumulation"   means  the accumulation  of toxic
                        substances   in   plant   or   animal  tissue  through either
                        bioconcentration or biomagnification.

                         (6)   "Bioassessment   methods   and  procedures"  means  the
                        use  of  biological including,  but  not  limited  to, field
                        methods  of   assessing  water  quality investigations  of
                        aquatic  organisms  and  laboratory  or  field   aquatic
                         toxicity  tests.

                         (7)   "Bioconcentration"  means  the  concentration  and
                         incorporation  of  toxic  chemicals  or  materials into
                         body tissues from ambient sources.

                         (8)    "Biomagnification"  means  the  concentration  of
                         toxic   materials   through   the  food  chain   through

                                      -44-

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successive   cycles  of  eating  and  being  eaten  and
subsequent  accumulation  of  such  materials  in  high
order consumers and predators.

(9)  "Biota"  means  indigenous  species  of aquatic or
semi-aquatic life or wildlife.

(10)   "Carcinogenic"  means  having  the  property  of
inducing   the   production   of   cancerous  cells  in
organisms.

(11)   "Clean   Water  Act"  means  the  federal  water
pollution  control  act,  P.L.  95-217,  33 USC section
1251 (1977), as amended.

(12)   "Department"  means  the  Kansas  department  of
health and environment.

(13)  "Detection limits" means the lowest concentration
of  a  substance  that  can  be  determined  by a given
analytical methodology.

(14)  "Discharge" means the release of effluent, either
directly or 'indirectly, into surface waters.

(15)   "Dissolved   oxygen"   (DO)   means  the  oxygen
dissolved in water.

(16)   "Ecological   integrity"  means  the  normal  or
expected  structure  and  function  of  the interacting
system  of  a  biological  community  and its physical-
chemical environment.

(17)   "Effluent"   means   the  sewage  or  wastewater
discharged from an artificial source.

(18)  "Epilimnion" means that region of a body of water
that  extends  from  the surface to the thermocline and
that    does   not   have   a   permanent   temperature
stratification.    The  thermocline  is  the layer in a
body  of  water where the temperature difference is the
greatest  per  unit of depth.  It is the layer inQwhich
the  drop  in  temperature  equals  or  exceeds 1 C per
meter.

(19)  "FDA  action  levels" means federal food and drug
administration    (FDA)   limits   for   poisonous   or
deleterious  substances  in  human food and animal feed
which  are  the  maximum  allowable  concentrations  in
edible  portions of fish or other aquatic life as cited
in   "Action   Levels   for  Poisonous  or  deleterious
Substances in Human Food and Animal Feed" (1982)
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(20)   "Fecal   coliform  bacteria"  means  facultative
anaerobic,    gram    negative,    non-spore   forming,
rod-shaped  bacteria  which, when contained in specific
media   designated   for   the  purpose,  vill  ferment
lactose,  thereby  producing  acid, gas, or both.  This
fermentation   of   lactose  occurs  vithin  a  24-hour
incubation  period,  plus  or  minus 2-hours, at 44.5°C
plus or minus 0.2 C.

(21)  "Flow"  means  the  volume of water moving past a
given point per unit of time.

(22)   "Groundvater"  means  water  located  under  the
surface  of  the  land  that is or can be the source of
supply  for  wellsr  springs, or seeps, or that is held
in aquifers or the soil profile.

(23)  "Interstate waters" means all waters of the state
which  cross  or  form  a  part  of  the border between
Kansas and one of the adjoining states.

(24)  "Intrastate waters" means all waters of the state
that  do not flow or extend across a state line or form
a boundary between Kansas and an adjacent state.

(25)  "Mixing  Zone" means  that designated portion of a
stream  where  an  effluent  is incompletely mixed with
the receiving surface water.
 (26)  "Mg/1" means the abbreviation for milligrams per
liter which is equivalent to "parts per million (ppm)."

(27)  "Mutagenic"  means  the  property  of directly or
indirectly causing a mutation.

(28)  "Nonpoint source" means a diffuse source of water
pollution  including,  but  not limited to, runoff from
agriculture,  mining,  construction activity, saltwater
intrusion, deposition of residual  waste and disposal of
pollutants on land or in subsurface excavations.

(29)  "pH" means  the logarithm of  the  reciprocal of  the
hydrogen  ion concentration.  pH  is measured on a scale
between   0  and   14  with values less  than  7 being more
acidic  and values  greater than 7 being more alkaline.

"(30)  "Point  source"  means any discernible, confined,
and   discrete    conveyance   which    is  a  source  of
pollution,   including any pipe, ditch,  channel,  tunnel,
conduit,  well,   discrete   fissure,   container,  rolling
stock,   concentrated  animal  feeding  operation,  vessel,
or   other  floating  craft  from which pollutants are or
may  be  discharged.  This  term  does not include  return
flows from  irrigated agriculture.
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(31) "Pollution" means:

(A) contamination  or other alteration of the physical,
chemical,  or  biological  properties of surface vaters
that  vill  or is likely to create a nuisance or render
such  vaters  harmful,  detrimental,  or  injurious  to
public  health,  safety,  or welfare, to plant, animal,
or aquatic life or to other designated uses; or

(B)  any  discharge  that  vill  or is likely to exceed
state     effluent     standards     predicated    upon
technologically-based effluent limitations.

(32)  "Potable  vater" means vater that is suitable for
drinking  and  cooking purposes in terms of both health
and aesthetic considerations.

(33)  "Surface runoff" means the vater vhich flovs over
land into surface vaters.

(34) .  "Surface   vater  segment"  means  a  delineated
portion  of a stream, river, riparian vetland, lake, or
vetland

(35)  "Surface  vaters"  means  all streams and rivers,
including   springs,   vater   in   alluvial   aquifers
available  for  flov to streams,'and riparian wetlands,
and  all  lakes  and  wetlands.    When  a  fresh vater
reservoir,  farm  pond,  or  vetland is privately owned
and  vhen  the  land bordering this vater .is completely
under  private  ownership,  the  fresh vater reservoir,
farm  pond,  or  vetland  shall  be  exempt  from water
quality   standards  except  those  relating  to  water
discharge  or  seepage from this water to waters of the
state,   either surface or groundvater, or to the public
health  of  persons  using  all  reservoirs,  ponds, or
wetlands, or vaters therefrom.

(36)   "Teratogenic"   means  having  the  property  of
causing  abnormalities  that  originate from impairment
of  an  event  that  is  typical  in embryonic or fetal
development.

(37)  "Toxic substance" means a substance that produces
deleterious effects in humans, animals, or plants.

(38)  "Turbidity"  is  a  measure  of the cloudiness of
vater  and  is expressed in standard units of turbidity
based on the nephelometric method (MTU).

(39)   "Un-ionized   ammonia"   means   the  dissolved,
un-ionized, toxic portion of total ammonia.
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                        (40)  "Water  quality  limited water" means any surface
                        vater  in  which   the  application  of technology-based
                        pollution   control   practices   does  not  result   in
                        achievement of water quality standards.

                        (41)  "Zone  of  passage"  means  the  area bordering a
                        mixing  zone which allows for unobstructed upstream and
                        downstream movement of aquatic organisms.

Kentucky                Section I. Definitions and Abbreviations.
                        (1)  General  function  of  definitions.  The following
                        definitions   describe  terms  used  in  this  chapter.
                        Terms  not  defined  belov shall have the meaning given
                        to  them  in  relevant  statutes  or, if not defined  in
                        statutes, the meaning attributed by common use.

                        (a)  "Aquifer" means any formation of soil, sand, rock,
                        gravel,  limestone, sandstone, or other material or any
                        fracture,  crevice, or void in any space formation from
                        which underground  water is or may be available.

                        (b)  "Coldwater  -aquatic  habitat" means surface waters
                        and  associated  substrate that will support indigenous
                        aquatic life as well as stocked trout.

                        (c)  "Conventional domestic  water  supply  treatment"
                        means    or    includes   coagulation,   sedimentation,
                        filtration, and chlorination.

                        (d)  "Criteria"  mean  specific concentrations of vater
                        constituents  which,  if  not exceeded, are expected  to
                        result  in an aquatic ecosystem suitable for designated
                        uses  of  water(s).    Such  criteria  are  derived   to
                        protect  legitimate uses such as aquatic life, domestic
                        water supply, and  recreational use.

                        (e) "Division" means the Division of Vater Quality.

                        (f)  "Effluent ditch" means that portion of a treatment
                        system  which  is  a  discreet, person-made conveyance,
                        either  totally  owned, leased or under proper easement
                        by  the  discharger,  which  transports  a discharge  to
                        waters of the Commonwealth.

                        (g)  "Epilimnion"  means the thermally homogeneous vater
                        layer  overlying   the  metalimnion   (thermocline)  of a
                        lake.

                        (h)  "Eutrophication" means the enrichment of waters  of
                        the State by  the discharge or addition of nutrients.

                        (i)  "Fecal coliform" means the portion of the coliform
                        group  which  is   present  in  the  gut or the feces  of

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varm-blooded  animals.  It generally includes organisms
vhich  are  capable of producing gas from lactose broth
in  a  suitable  culture medium within tventy-four (24)
hours at 44.5 degrees plus or minus 0.2 degrees C.

(j)  "Hypolimnion"  means  the  lover  cold region of a
stratified   body   of  vater  that  extends  from  the
metalimnion  to  the bottom of the lake and circulation
is  restricted  while stratified vith the  upper waters
thereby receiving no oxygen from the atmosphere.

(k)   "Indigenous   aquatic   life"   means   naturally
occurring  aquatic organisms including, but not limited
to,  bacteria,  fungi,  algae,  aquatic  insects, other
aquatic  invertebrates,  reptiles  and  amphibians, and
fishes.  Under  some natural conditions one (1) or more
of  the  above  groups  may  be  absent  from any given
surface water.

(1)  "Intermittent stream" means a stream that flows at
certain  times  of  the  year as when it receives water
from   springs   or   precipitation  in  the  immediate
watershed.

(m)  "LCe0" is used to express the results of bioassays
having  lethality  as  the  criterion  of  toxicity.  A
numerical   percentage   is   used   to   indicate  the
percentage  of  the  test  animals  killed  at  a given
concentration.

(n)  "Low  flow  (seven  (7) day, once-in-ten (10) year
low  flow" means that minimum average flow which occurs
for  seven  (7)  consecutive  days  with  a  recurrence
interval of ten (10) years.

(o)   "Low   flow  stream"  means  that  portion  of  a
watercourse  where  the  low  flow (not attributable to
discharges  and other hydraulic alterations) is one (1)
cubic foot per second or less.

(p)  "Median tolerance limit (TLm)" is a measure of the
concentration  at  which  fifty  (50)  percent  of  the
organisms survive.

(q)  "Milligrams  per liter (mg/1)" means the milligram
of  substance  per liter of solution, and is equivalent
to parts per million in water assuming unit density.

(r)  "Mixing  zone"  means  a  domain  of  a water body
contiguous   to   a  treated  or  untreated  wastewater
discharge  of  quality  characteristics  different from
those  of  the  receiving  water.   The discharge is in
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transit  and  progressively  diluted from the source  to
the  receiving  system.   The mixing zone is the domain
where vastevater and receiving vater mix.

(s)  "Natural  temperature"  means  the temperature  that
vould  exist  in waters of the Commonwealth without  the
change  -of  enthalpy of artificial  origin as opposed  to
climatic   change  or  naturally  occurring  seasonally
variable    temperature    associated   with    riparian
vegetation and seasonal changes.
 (t)  "Natural  water  quality"  means
 occurring    physical,    chemical,
 properties of waters.
those  naturally
and   biological
 (u)   "Non  point"  means  any  source of  pollutants not
.defined by point source as used  in  this regulation.

 (v)    "Outstanding    resource    waters"   means  waters
 designated   by   the   department   pursuant  to  401  KAR
 5:031, Section 8.

 (w)    "Point  source" means any discernible,  confined,
 and   discrete conveyance, including, but  not limited  to
 any    pipe,  ditch,   channel,   tunnel,  conduit,  well,
 discrete     fissure,    container,    rolling    stock,
 concentrated  animal feeding  operation>   from  which
 pollutants   are  or   may  be discharged.   This  term  does
 not  include  return flows  from  irrigated agriculture.

 (x)       "Productive   aquatic  communities"   means  an
 assemblage   of   indigenous  aquatic  life   capable  of
 reproduction and growth.

 (y)   "Propagation"  means the  continuance of species  by
 successful   spawning,  hatching,  and  development  or
 natural   generation   in   the   natural   environment,   as
 opposed   to   the maintenance   of species by artificial
 culture  and  stocking.

 (z)     "Public   water supply" means  only surface water
 that  with   conventional  treatment will be  suitable for
 human  consumption,   culinary   purposes,  or in any  food
 or  beverage  processing  industry and meet  state and/or
 federal   regulations   for drinking water.  This term is
 synonymous  with "domestic water supply."

 (aa)  "Standard" is  a numerical value,  range of values,
 or  narrative  statement   promulgated by the department
 to  maintain and protect  the waters of the  Commonwealth
 for designated uses.

 (bb)  "Surface  waters"   means  those waters having well
 defined   banks   and   beds,    either   constantly  or

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                        intermittently   floving,   except   effluent  ditches;
                        impounded  waters;  and any subterranean vaters flowing
                        in  veil defined channels and having a clear hydrologic
                        connection vith the surface.

                        (cc)  "Thermocline"  means the plane in a body of water
                        in  which  the  maximum rate of decrease in temperature
                        occurs.

                        (dd)  "Toxic  substances"  means  substances  which are
                        bioaccumulative,       synergistic,       antagonistic,
                        teratogenic,  mutagenic,  and interfere vith the normal
                        propagation  of aquatic life, wildlife, or preclude the
                        legitimate uses of any vaters of the Commonwealth.

                        (ee)  "Varmvater  aquatic  habitat"  means  any surface
                        vater  and  associated  substrate capable of supporting
                        indigenous warmwater aquatic life.

                        (2)  Abbreviations used in vater quality regulations:

                        (a)  °C means degree(s) Celsius;

                        (b)  EPA - See U. S. EPA;

                        (c)  °F means degree(s) Fahrenheit;

                        (d)  mg/1 means milligrams per liter (same as ppm);

                        (e)      NPDES   means   National  Pollutant  Discharge
                        Elimination System;

                        (f)  pCi/1 means piocuries per liter;

                        (g)    ppm  means  part(s)  per  million (assuming unit
                        density, same as mg/1);

                        (h)  ug/1 means micrograms per liter;

                        (i)    U.  S. EPA means the United States Environmental
                        Protection Agency.

         18
Louisiana               "Administrative  Authority"  means the Secretary of the
                        Department   of   Environmental   Quality   or  his/her
                        designated  representative,  the  Assistant  Secretary,
                        Office of Vater Resources.

                        "Artifi( ial  heat"  means  heat  that  is  derived from
                        unnatural   sources  such  as  power  plant  and  other
                        industrial cooling processes.

                        "Designated  water  use"  means  a use of the waters of
                        the   State   as   established  by  the  Vater  Quality
                        Standards.    These  include  but  are  not limited to,

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recreation,  propagation of fish and other aquatic life
and  vildlife including shellfish, public vater supply,
agricultural   activities,   and   outstanding  natural
resource waters.

"Dissolved   oxygen"   means   the   amount  of  oxygen
dissolved   in   vater,   commonly   expressed   as   a
concentration in terms of milligrams per liter, mg/L.

"Dystrophic  waters"  means  waters  which  are stained
vith  organic  material  and which are low in dissolved
oxygen due to natural conditions.
"Effluent"  means
of the State.
                   wastewater  discharged to the waters
             aquatic organisms  in a specified period of
"Effluent  limitation"  means  any  applicable state or
federal  quality  or quantity limitation, which imposes
any   restriction   or   prohibition   on   quantities,
discharge   rates,  and  concentrations  of  pollutants
which are discharged into the waters of the State.

"Fecal  coliform"  means  a  gram  negative,  non-spore
forming,  rod-shaped  bacteria  found in the intestinal
tract of warm-blooded animals.

"Fresh  warmwater  fish" means those fish species whose
populations  reproduce  in relatively warm water  (above
20°C,  68°F)  and  low  salinity  (less  than  2  .ppt),
including   but  not  limited  to,  black  basses,  and
freshwater sunfish and catfish.

"LC50"  means the numerical limit or concentration of a
test  material  which  is lethal to fifty percent (50%)
of  exposed
time.

"mg/L"  means  milligrams  per liter; it is essentially
equivalent  to  parts  per  million  in  dilute aqueous
solutions.

"ng/L"  means  nanograms  per  liter; it is essentially
equivalent  to  parts  per  trillion  in dilute aqueous
solutions.

"Nonpoint  source"  means  a  diffuse  source  of water
pollution  that  does  not  discharge  through  a point
source  but instead flows freely across exposed natural
or  man-made  surfaces  such  as  agricultural or urban
runoff   and   runoff   from  construction, 'mining   or
silviculture activities.

"Office"  means   the  Office  of Water Resources  within
the Department of Environmental Quality.

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"Person"  means any individual, municipality, public or
private  corporation,  partnership,  firm,  the  United
States   Government   and   any  agent  or  subdivision
thereof, or any other juridicial person.

"Point  source"  means  a  discernible,  confined,  and
discrete  conveyance  including but not limited to, any
pipe,  ditch,  channel, tunnel, conduit, veil, discrete
fissure,  container, rolling stock, concentrated animal
feeding  operation,  vessel  or  other  floating craft,
from  which  pollutants are or may be discharged.  This
term  does  not  include  return  flows  from irrigated
agriculture.

"Public  water  supply"  means a surface or underground
raw  water  source which, after conventional treatment,
will  provide  safe,  clear, potable, and aesthetically
pleasing  water  for  uses  which  include  but are not
limited  to,  human  consumption,  food  processing and
cooking,  and  as  a  liquid  ingredient  in  foods and
beverages.

"Receiving  waters"  means the waters of the State into
which an effluent is, or may be discharged.

"7Q10   flow"  means  the  minimum  7  consecutive  day
average  stream flow with a recurrence interval of once
every 10 years.

"Total  dissolved  solids"  (TDS)  means  the amount of
solid  material  dissolved in water, commonly expressed
as a concentration in terms of mg/L.

"Toxic  substances"  means  any  element,  compound, or
mixture  which  at  sufficient  exposure levels induces
deleterious,  acute  or  chronic physicological effects
on an organism.

"ug/L"  means  micrograms  per liter; it is essentially
equivalent  to  parts  per  billion  in  dilute aqueous
solutions.

"Vastewater"   means   liquid   waste   resulting  from
commercial,    municipal,    private    or   industrial
processes.    This  includes  but  is  not  limited to,
cooling   and   condensing   waters,  sanitary  sewage,
industrial wast > and contaminated rainwater runoff.

"Water  Pollution"  means  the  introduction  into  the
waters  of the State by any means, including dredge and
fill  operations,  of  any  substance  in concentration
which   tends   to   degrade  the  chemical,  physical,
biological,  or  radiological integrity of such waters,

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                         including,  but  not  limited  to,  the discharge  of  brine
                         from  salt  domes which are located on  the  coastline  of
                         Louisiana  and   the   Giilf of  Mexico into any waters off
                         said  coastline  and  extending   therefrom   three  miles
                         into  the Gulf of Mexico.

                         "Water  Quality  Standard"  means  a definite numerical
                         criterion  value  or  general criterion  statement,  or
                         policy  statement  promulgated  by  the Administrative
                         Authority  to ' enhance or maintain water quality and  to
                         provide  for,  and  fully  protect, a designated use  of
                         the waters of the State.

                         "Vaters  of  the  State"  means  both   the  surface and
                         underground   waters  within  the  State  of  Louisiana
                         including  all  rivers,  streams,  lakes, groundwaters,
                         and   all  other  watercourses and  waters  within the
                         confines  of the State, and all bordering waters of the
                         Gulf  of Mexico.
Maine
     19
1.     Discharge.    "Discharge"  means  any  spilling,
leaking,  pumping, pouring emptying, dumping, disposing
or  other  addition  of  any pollutant to waters of the
State.

1-A.  Coastal  streams.  "Coastal  streams" means those
waters  of the State which" drain directly or indirectly
into  tidal  waters  except portions of streams subject
to  the  rise  and  fall  of  the tide and those waters
listed and classified in sections 368 and 370.

2.   Fresh surface waters. "Fresh surface waters" means
all waters of the State other than tidal waters.

3.    Municipality.  "Municipality" means a city, town,
plantation or unorganized township.

A.    Person.    "Person"  means  an  individual, firm,
corporation,        municipality,       quasi-municipal
cooperation,  state  agency,  federal  agency  or other
legal entity.

A-A.  Pollutant. "Pollutant" means dredged spoil, solid
waste,   junk,   incinerator  residue,  sewage  refuse,
effluent,    garbage,    sewage    sludge,   munitions,
chemicals,  biological  or radiological materials, oil,
petroleum  products  or  byproducts,  heat,  wrecked or
discarded  equipment,  rock, sand, dirt and industrial,
municipal,  domestic, commercial or agricultural wastes
of any kind.

A-B.  Surface  waste  water  disposal  system. "Surface
waste  water disposal system" shall mean any system for

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                        disposal  of  vaste waters on the surface of  the earth,
                        including,  but  not limited to, holding ponds, surface
                        application and injection systems.

                        5.   Tidal waters.  "Tidal waters" means those portions
                        of  the  Atlantic  Ocean within  the jurisdiction of  the
                        State,  and  all  other  waters  of the State  subject  to
                        the  rise  and  fall  of  the  tide except  those waters
                        listed and classified in sections 368 and 369.

                        6.    Transfer  of  ownership.   "Transfer of  ownership"
                        means  a  sale,  a  lease, a sale of over 50  percent  of
                        the  stock  of  a  corporation to one legal entity or a
                        merger    or    consolidation    where   the   surviving
                        corporation is other than the original licensee.

                        7.    Waters of the State.  "Waters of the State" means
                        any  and  all  the  surface and  subsurface waters which
                        are  contained within, flow through, or under or border
                        upon  this  State or any portion thereof, including  the
                        marginal  and  high  seas,  except  those waters as are
                        confined  and  retained completely upon the property  of
                        one  person  and  do not drain into or connect with any
                        other waters of the State.
        Of)
Maryland4*"              A.  General
                        (1)  The  following definitions describe the meaning of
                             terms  used  in  the  water  quality and the water
                             pollution  control  regulations  of the Department
                             of  Health  and  Mental Hygiene (Regulations .01 -
                             .09, and .11, -
                        (2)  The   terms   "discharge",.   "discharge   permit",
                             "disposal    system",    "effluent    limitation",
                             "industrial  user",  "national pollutant discharge
                             elimination    system",   "person",   "pollutant",
                             "pollution",  "publicly  owned  treatment  works",
                             and  "waters  of  this  State", are defined in the
                             Health-Environmental  Article, SS1-101, 9-101, and
                             9-301,   Annotated   Code   of   Maryland.     The
                             definitions  for these terms are provided below as
                             a   convenience,   but  persons  affected  by  the
                             Department's  water  quality  and  water pollution
                             control  regulations  should  be  aware that these
                             definitions   are  subject  to  amendment  by  the
                             General Assembly.

                        B.  Definition of Terms'

                        (1)  "Administrative  order" means written notification
                             issued  by  the  Department  under  State  law and
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     regulations,  and  requiring correction of a water
     pollution  condition or compliance with provisions
     of pertinent law and regulations.

(2)  "Advanced  waste  treatment"  means  treatment  of        '
     wastes or wastewaters to:

     (a)  Reduce  the  level  of  specific constituents        i
          which  are  not  sufficiently  controlled  by
          best     practicable    control    technology        i
          currently  available (BPCTCA) or by secondary        j
          treatment; or

     (b)  Reduce   organic  oxygen  demand  beyond  the
          level   attainable  by  BPCTCA  or  secondary
          treatment   to   comply   with   waste   load
          allocations in water quality limited waters.

(3)  "Affiliate"  means  an  individual  or corporation
     who   is  controlling,  controlled  by,  or  under
     common control of the applicant.

(A)  "Aquifer"  means  any  formation  of  soil,  sand,
     rock,   gravel,  limestone,  sandstone,  or  other
     material,  or  any  crevice from which underground
     water is or may be produced.
                                                               i
(5)  "Base  flow"  means  the discharge entering stream
     channels   from  ground  water  or  other  delayed
     sources;   that   is,   stream  flow  periods  not
     affected by recent rainfall.

(6)  "Best  practicable  control  technology  currently
     available   (BPCTCA)"  means  a  feasible  process
     which  represents  good  engineering  practice  at
     reasonable  cost  at the time the discharge permit
     is   issued   or   reissued.      Feasibility   is
     demonstrated   by   general   use,   demonstration
     process  or  pilot  plants.   For industrial waste
     discharges,   BPCTCA   is   the   same   as   Best
     Practicable  Technology  (BPT).    For  discharges
     from   all  sewage  treatment  facilities,  BPCTCA
     means  the secondary treatment levels specified by
     the Department in discharge permits.

(7)  "Biocide  residual"  means  the level remaining in
     an  effluent of a chemical substance added as part        I
     of  the  treatment  process  for  the  purpose  of      _J
     controlling   bacteria,  fungi,  algae,  or  other
     microorganisms.    This, term includes chlorine and        \
     ozone.  '                                                  I
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  (8)   "Coliform  organisms"  means  the possession of  the
       power   to  direct  or  cause   the direction of  the
       management policies of a person.

  (9)   "Control"  means   the  possession  of  the power to
       direct  or  cause  the direction of  the management
       policies of a person.

(10)   "Criteria"  means  numerical  or descriptive limits
       for  water  constituents  which  are   designed   to
       protect  designated  uses  of  the  waters of this
       State.

(11)   "Department"  means  the  Department of Health  and
       Mental Hygiene.

(12)   "Design   stream   flow"   means   the  minimum 7
       consecutive  day average stream discharge having a
       recurrence interval of 10 years.

(13)   "Discharge" means:

       (a)  The    addition,    introduction,    leaking,
           spilling,  or  emitting  of  a  pollutant   to
           waters of this State;  or

       (b)  The  placing  of  a  pollutant  in a location
           where the pollutant is likely to pollute.

(14) "Discharge  permit"  means  a  permit issued by  the
     Department  of  Health  and   Mental Hygiene for  the
     discharge   of  any  pollutant  or  combination  of
     pollutants into the waters of this State.

(15) "Disposal  system"  means a  system for disposing of
     wastes  by  surface,  above  surface,  or underground
     methods.     Disposal  system  includes  works and a
     disposal well.

(16) "Effluent"   means   the  outflow  of  treated  or
     untreated   waste   from  an  industrial  process,
     holding  tank,   pond,   sewer,  or other point source
     into the waters of this State.

(17) "Effluent  limitation"  means  any  restriction  or
     prohibition that:

     (a)  Is  established  under   ederal law or a law of
          this State;

     (b)  Specifies   quantities,  rates or concentrations
          of  chemical,   physical,  biological,  and other
          constituents  that  are  being discharged into
          the waters of this State;

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    (c)   Includes:

         (i)   Parameters   for   toxic  and  non-toxic
               discharges,

         (ii)  Standards   of   performance   for   nev
               sources,  and

         (iii) Ocean discharge standards.

(18) "Effluent  limited  waters"  means  waters of this
     State  which  the  Department  has  identified  as
     those    in   which   best   practicable   control
     technology   currently  available  for  industrial
     discharges  and  secondary  treatment  for  sewage
     discharges  is  sufficiently stringent to maintain
     applicable water quality standards.

(19) "Emergency  conditions"  means those circumstances
     resulting  from  a permittee's .actions, or lack of
     actions,   which  the  Department  of  Health  and
     Mental  Hygiene determines constitute a present or
     imminent  danger to the public health, welfare, or
     the environment.

(20) "EPA"   means   the  United  States  Environmental
     Protection Agency, or its successor.

(21) "Estuary"  means  a  semi-enclosed coastal body of
     water  having  a free connection with the open sea
     and   within  which  the  seawater  is  measurably
     diluted   with  fresh  water  deriving  from  land
     drainage.

(22) "Eutrophication or eutrophic" means:

     (a)  The  excessive  enrichment  of   the waters of
          this  State  by  the discharge to or addition
          of nutrients; or

     (b)  The   degradation   of   water   quality   or
          undesirable  ecological   changes as  indicated
          by   excessive   rooted   or   dispersed  plan
          growth,   loss  of  water  clarity, or nuisance
          conditions.

(23) "Fecal   coliform"   means    the   portion  of   the
     coliform  bacteria  group  which  is present  in  the
     gut  or   the   feces  of  warm-blooded animals.  It
     generally  includes organisms  which are  capable of
     producing  gas  from   lactose  broth  in  a suitable
     culture  medium within  24  hours at  44.5°  + 0.5°C.
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(24) "Federal  Act"  means  the Federal Water Pollution
     Control  Act,   its amendments,  and all regulations
     and rules adopted under the Act.

(25) "Fish"  means  any of numerous cold-blooded aquatic
     vertebrates     of    the    Superclass    Pisces,
     characteristically   having  fins,  gills,  and  a
     streamlined body.  Fish includes:

     (a)  Any  of  the Class Osteichthyes having a bony
          skeleton;

     (b)  Any  of  the  Class  Chondrichthyes, having a
          cartilaginous   skeleton  (sharks,  rays  and
          skates);  and

     (c)  Any  of  the  Class  Agnatha  which lack javs
          (lampreys and hagfishes).

(26) "General  permit"  is a discharge permit issued to
     a class of dischargers.

(27) "Ground  water"  means  underground water or water
     below  the  surface  of  the  ground  in a zone of
     saturation.

(28) "Includes   or   including"   means   includes  or
     including  by   way  of illustration and not by way
     of limitation.

(29) "Industrial user" means:

     (a)  A  person  who  is  engaged in manufacturing,
          fabricating, or assembling goods; or

     (b)  A   member   of   any  class  of  significant
          producers   of  pollutants  identified  under
          regulations adopted by:

          (i)  The  Department; or
                                                     /
          (ii) The   administrator  of the United States
               Environmental Protection Agency.

(30) "Industrial  waste"  means  any  liquid,  gaseous,
     solid  or  other  waste  substance, or combination
     thereof, resulting from:

     (a)  Any   process   of  industry,  manufacturing,
          trade or  business; or

     (b)  The  development  of  any  natural   resource,
          including agriculture
             -59-

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(30-1) "Interference" means:

       (a)  An  inhibition or disruption of the POTV,  its
            treatment  processes  or  operations,   or its
            sludge   processes,   use  or  disposal  which
            causes  either a violation of any requirement
            of  the  POTV's  discharge permit or prevents
            sewage  sludge use or disposal by the POTV in
            accordance   with   the  following  statutory
            provisions  and regulations or permits issued
            under them:

            (i)    Section 405 of the Clean Water Act;

            (ii)   The  Solid  Waste  Disposal Act (SWDA)
                   (including   Title  II  more  commonly
                   referred    to    as    the   Resource
                   Conservation  and  Recovery Act (RCRA)
                   and  any  State  regulations contained
                   in  any  State  sludge management plan
                   prepared  pursuant  to  Subtitle  D of
                   the SVDA);

            (iii)  The Clean Water Act; and

            (iv)   The Toxic Substances Control Act.
       (b)  Damage  to  sewer systems and threats to POTW
            worker and public health, safety and comfort.

  (31) "Intermittent  stream"  means  a  nontidal body of
       flowing   water  for  which  the  computed  design
       stream flow is zero.

  (32) "Material  balance"  means an inventory accounting
       system  for determining quantities of materials on
       hand,  used in process, converted to product, lost
       to  the  environment, or contained in waste matter
       generated,   stored,   discharged,   or  otherwise
       processed.

  (33) "Mixing  zone"  means  an  area  continguous  to  a
       discharge  where  surface  water quality or ground
       water quality does not have to meet:

       (a)  All water quality criteria; or

       (b)  All  requirements otherwise applicable  to  the
            natural water.

  (34) "National  Pollutant  Discharge Elimination  System
       (NFDES)"  means  the  national  system  for issuing
       permits as designated by the Federal Act.

               -60-

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(34-1) "National  pretreatment  requirements"  means  any
       general  pretreatment  regulation  established  by
       EPA in accordance with the Federal Act.

(34-2) "National    pretreatment    standard"   means   a
       pollutant   discharge   limit   contained   in   a
       regulation which,:

       .(a) .Applies	to  industrial  users  of  publicly
            owned treatment works; and

       (b)  Is promulgated by EPA under the Federal Act.

  (35) "NPDES  application"  means  the  current  revised
       Environmental  Protection Agency standard national
       forms for applying for an NPDES permit.

  (36) "NPDES  permit"  means the permit issued under the
       Federal Act.

  (37) "Natural"  or  "naturally occurring", when used to
       describe water quality, means:

       (a)  Those   water   quality  values  which  exist
            unaffected    by,    or   unaffected   as   a
            consequence of, any water use;

       (b)  Those   water   quality  values  which  exist
            unaffected  by  the  discharge,  or direct or
            indirect  deposit  of,  any solid, liquid, or
            gaseous substance; or

       (c)  Any   other   water   quality   values  which
            represent  conditions which the Department by
            its  regulations defines as natural.  For the
            purposes  of  this  definition, the following
            conditions shall be considered as natural:

            (i)    Infestations    of    water   milfoil,
                   Hyriophyllum spicatum;

            (ii)   Infestations  of water chestnut, Trapa
                   natans'

            (iii)  The  presence  of  sea  lettuce,  Ulva
                   lactuc; and

            (iv)   The  presence  of sea nettles, >%urelia
                   sp.

  (38) "Natural  trout  waters"  means  waters capable  of
       supporting  natural   trout  populations, including
       propagation, and their associated food organisms.

               -61-

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  (39) "New  source"  means  any source,  the construction
       of  which  is  commenced  after the publication of
       proposed    regulations   by   the   Environmental
       Protection   Agency   prescribing  a  standard  of
       performance   which  will  be  applicable  to  the
       source if the standard is promulgated.

•  (40) "Nontidal   water"  means  water  not  subject  to
       regular   and  periodic  tidal  action  (generally
       freshwater).

  (41) "Oil"   means   any   of   a  number  of  unctuous
       combustible   substances   which   are  liquid  at
       ambient  temperature  and atmospheric pressure, or
       easily  liquefiable  on  warming  and  soluble  in
       ether,  and  which  include  fuel  oil,  gasoline,
       kerosene,   lubricating   oil,   other   petroleum
       products,  oil  bearing  sludge,  oil  refuse, oil
       mixed  with  ballast or bilge water, and oil mixed
       with wastes.

  (42) "Operator"  means  that  person  or  those persons
       with   responsibility   for   the  management  and
       performance of each facility.

  (43) "Other  aquatic  life"  means all organisms, other
       than  fish,  which  grow  in, live in, or frequent
       water.

  (44) "Other   waste"   means   garbage,  refuse,  wood,
       sawdust,  shavings,  bark,  sand,   lime,  cinders,
       ashes,   offal,   oil,   tar,   dyestuffs,  acids,
       chemicals,  and  all  discarded  substances  other
       than sewage or industrial waste.

(44-1) "Pass   through"  means  discharge  of  pollutants
       through  the  POTW  into  waters  of  the State in
       quantities   or   concentrations   which  cause  a
       violation   of   any  requirement  of  the  POTVr's
       discharge permit.

  (45) "Permeability  of  an aquifer" means the volume of
       water  at  the prevailing kinematic viscosity that
       will  move  in  unit  time  under a unit hydraulic
       gradient  through  a  unit  area measured at right
       angle to the direction of flow.

  (46) "Permit"  means  written  authorization  issued by
       the  Department of Health and Mental Hygiene under
       pertinent   law  and  regulations  and  describing
       required  performance  for specific activities and
       operations.
J

J
               -62-

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(47) "Permittee"  means  the  person  holding  a permit
     issued  by  the  Department  of  Health and Mental
     Hygiene.

(48) "Person"  means any individual, receiver, trustee,
     guardian,  personal  representative, fiduciary, or
     representative  of  any kind, and any partnership,
     association,  corporation or other entity.  Person
     includes  the  federal government, this State, any
     county,  municipal corporation, or other political
     subdivision of this State or any of their units.

(49) "Person  in charge" means the person designated by
     an  operator  or  permittee as the one with direct
     supervisory  responsibility  for  an  activity  or
     operation at a facility.

(50) "Point   of   discharge"  means  any  discernible,
     confined  and  discrete  conveyance, including any
     pipe,   ditch,  channel,  tunnel,  conduit,   veil,
     discrete   fissure,   container,   rolling  stock,
     concentrated  animal  feeding operation, or vessel
     or  other  floating  craft,  from which pollutants
     are, or may be discharged.

(52) "Pollutant" means:

     (a)  Any  waste  or  wastewater that is discharged
          from:

          (i)  Any publicly owned treatment works;

          (ii) An industrial source; or

     (b)  Any  other  liquid,  gaseous, solid, or other
          substances  which  will pollute any waters of
          this State.

(53) "Pollution"   means  any  contamination  or  other
     alteration   of   the   physical,   chemical,    or
     biological   properties  of  any  waters  of  this
     State,  including  a change in temperature,  taste,
     color,  turbidity,  or  odor  of the waters or the
     discharge   or  deposit  of  any  organic  matter,
     harmful   organism,  or  liquid,  gaseous,  solid,
     radioactive, or other harmful, or detrimental, to:

     (a)  Public health, safety, or welfare;

     (b)  Domestic,       commercial,       industrial,
          agricultural,    recreational,    or    other
          legitimate beneficial uses;
             -63-

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       (c)  Livestock, vild animals,  birds; or

       (d)  Fish or other aquatic life.

(53-1) "Pretreatment"  means a reduction in the amount of
       pollutants,  the elimination of pollutants, or the
       alteration  of  the nature of pollutant properties
       in   a   vastevater   before   discharging  to  or
       otherwise introducing pollutants into a POTV.
(53-2) "Pretreatment requirements" means any:

       (a)  National    pretreatment   requirements
            national pretreatment standards;
and
       (b)  Pretreatment    regulations    developed   in
            accordance  vith Health-Environmental Article
            59-319(a), Annotated Code of Maryland;

       (c)  Pretreatment  requirements  listed within the
            delegation  document issued by the Department
            approving  a  pretreatment  program developed
            by owners of a POTV;

       (d)  Pretreatment    requirements   developed   by
            owners  of  POTVs in accordance with approved
            pretreatment programs; or

       (e)  Pretreatment  requirements  established  in a
            permit  or  agreement  between  a POTV and an
            industrial  user issued in accordance with an
            approved pretreatment program.

  (54) "Propagation"  means the continuance of species by
       generation   of.   successive   production  in  the
       natural    environment,    as   opposed   to   the
       maintenance  of  species by artificial culture and
       stocking.
                                                       /
  (55) "Publicly  owned  treatment  works (POTV)" means a
       facility that is:

       (a)  Owned   by   this   State   or   a  political
            subdivision,  municipal corporation, or other
            public entity; and

       (b)  Used for the treatment of pollutants.

  (56) "Receiving  water"  means  the  surface  waters of
       this  State  into  which wastes or wastewaters are
       or may be discharged.
          I

          J
               -64-

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(57) "Recreational  trout  waters"  means  cold or warm
     waters  capable  of  holding  or  supporting adult
     trout for put-and-take fishing, usually seasonal.

(58) "Refuse  Act"  means  S13  of the River and Harbor
     Act of March 3, 1899.

(59) "Refuse  Act  application"  means  the application
     for a permit under the Refuse Act.

(60) "Refuse  Act permit" means any permit issued under
     the Refuse Act.

(61) 1"Regular  or  periodic  tidal  action"  means the
     rise   and   fall  of  the  sea  produced  by  the
     gravitational  attraction  of  the  sun  and  moon
     unaffected by wind or any other circumstances.

(62) "Schedule  of  compliance"  means  a  schedule  of
     remedial   measures   including   an   enforceable
     sequence  of  actions  or  operations  leading  to
     compliance  with  effluent  limitations  or  water
     quality  standards  as  specified  by  an order or
     permit requirement of the Department.

(63) "Secondary   treatment"  means  the  treatment  of
     sewage  to  produce  effluent  equal  to or better
     than the following quality:

     (a)  Five day biochemical oxygen demand:

          (i)   30 rag/1 - average for a 30 day period;

          (ii)  45 rag/1 - average for a 7 day period.

     (b)  Total suspended solids:

          (i)   30 mg/1 - average for a 30 day period;

          (ii)  45 mg/1 - average for a 7 day period.

     (c)  Bacterial   control:    As  required  to  meet
          water quality standards.

(64) "Sewage"  means   the  water-carried domestic  waste
     from    residences,      buildings,      industrial
     establishments,  or other  places.

(65) "Shellfish   harvesting   waters"   means  waters that
     are  actual  or  potential areas  for  the harvesting
     of  shellfish   including oysters,  softshell clams,
     and  brackish water  clams.
              -65-

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(66) "Sludge" means the settleable solids that are:           I

     (a)  Naturally  present in waters and vastevaters;      *i

                                                              I
     (b)  Derived    from   nonsettleable   matter   by      -
          chemical  coagulation and precipitation or by       ]
          biological flocculation and precipitation.          <

(67) "Source"  means any building, structure, facility,       1
     or  installation from which there is, or may be, a       |
     discharge of pollutants.

(68) "Spill  (spilling)"  means  any loss of control or
     release  of  oil or other hazardous substance that
     moves  or  is  capable  of moving into the aquatic '
     environment.

(69) "Standard  of  performance"  means  a standard for
     the  control  of the discharge of pollutants which       [
     reflects   the   greatest   degree   of   effluent       J
     reduction  achievable  through  application of the
     best  available  demonstrated  control technology,
     processes,    operating    methods,    or    other
     alternatives  as  established  by the State or the
     Environmental Protection Agency.
                                 »
(70) "State" means the State of Maryland.

(71) "Stream  flow"  means  the nontidal water movement
     that occurs in a natural channel.

(72) "Sub-basin"  means  one  of the 20 watershed areas
     delineated  by  the  Maryland Department of Health
     and  Mental Hygiene, and comprising, in sum total,
     the surface waters of the State.

(73) "Surface  waters"  means  all waters of this State       /
     which are not groundwaters.
                                                     /
(74) "Thermal  barrier" means a pattern of artificially
     created temperature change and distribution.

(75) "Tidal  water"  means  water subject to regular or       I
     periodic tidal action.

(76) "Toxic  materials"  means  any liquid, gaseous, or
     solid  substance  or substances in a concentration
     which,   when   applied   to,  discharged   to,  or
     deposited  in the waters of  the State, may  exert  a
     poisonous  effect  detrimental  to  man  or to  the
     propagation,   cultivation   or   conservation  of
     animals, fish, or other aquatic life.
             -66-

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(77) "Transmissivity  of  an  aquifer"  means  the rate
     which  water of the prevailing kinematic viscosity
     is   transmitted  through  a  unit  vidth  of  the
     aquifer under a unit hydraulic gradient.

(78) "Treatment  works"  means any plant or other works
     used  for the purpose of treating, or stabilizing,
     wastes.

(79) "Vessel"   means   every   watercraft   or   other
     artificial  contrivance  used, or capable of being
     used,  as  a means of transportation on the waters
     of this State.

(80) "Waste  load  allocation" means the identification
     and  allotment  by  the  Department  of Health and
     Mental  Hygiene  of  quantities of residual wastes
     which  may be discharged from point sources.  This
     allotment shall include:

     (a)  Limits  on the quantities of wastes which may
          be discharged;

     (b)  Consideration of seasonal variations;

     (c)  A margin of safety; and

     (d)  The contribution of non-point sources.

(81) "Vaste"  means  industrial  waste  and  all  other
     liquid,  gaseous, solid, or other substances which
     will pollute any waters of this State.

(82) "Vastewater" means any:

     (a)  Liquid    waste    substance   derived   from
          industrial,       commercial,      municipal,
          residential,  agricultural,  recreational, or
          other operations or establishments; and
                                                     t
     (b)  Other   liquid   waste  substance  containing
          liquid,  gaseous,  or solid matter and having
          characteristics   which   will   pollute  any
          waters of this State.

(83) "Water'   means  the  liquid  substance  which  is
     derived  from  ground  water  source, or a surface
     source,  or  a piped supply, or any combination of
     these  sources,  which will be discharged, without
     change  in quality, into the waters of this State,
     with the exception of storm water runoff.

(84) "Water  class  unit" means a distinct portion of a
     sub-basin.

             -67-

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                        (85) "Water   quality  criteria"  means  numerical  and
                             descriptive  limits designed to protect designated
                             uses  of  the  waters of this State by controlling
                             concentrations of water constituents.

                        (86) "Water  quality  limited  waters"  means shellfish
                             waters  and  other  waters of this State for which
                             best   practicable  control  technology  currently
                             available  for industrial discharges and secondary
                             treatment    for    sewage   discharges   is   not
                             sufficiently   stringent  to  maintain  applicable
                             water quality standards.

                        (87) "Watercourse"  means a specific body or channel of
                             water which is part of the waters of this State.

                        (88) "Waters of this State" includes:

                             (a)  Both  surface  and  underground waters within
                                  the  boundaries  of this State subject to its
                                  jurisdiction,  including  that  part  of  the
                                  Atlantic  Ocean within the boundaries of this
                                  State,    the    Chesapeake   Bay   and   its
                                  tributaries,  and  all  ponds, lakes, rivers,
                                  streams,  public  ditches,  tax  ditches, and
                                  public  drainage  systems  within this State,
                                  other   than   those  designed  and  used  to
                                  collect,   convey,  or  dispose  of  sanitary
                                  sewage; and

                             (b)  The   floodplain   of   free-flowing   waters
                                  determined   by  the  Department  of  Natural
                                  Resources  on the basis of the 100-year flood
                                  frequency.
Massachusetts
             21
Artificial  conditions  -  Those  conditions  resulting
from  human  alteration  of  the  chemical, physical or
biological integrity of waters.
                                                     r
Beneficial  use  -  Any  use  not  impairing  the  most
sensitive  use  designated in the classification tables
contained  in  Part 5; except that in no case shall the
assimilation  or  transport  of  pollutants be deemed a
beneficial use.

Cold  water  fishery  - Waters whose quality is capable
of  sustaining  a  year-round  population of cold water
trout (salmonidae).

Division   -   The   Massachusetts  Division  of  Water
Pollution  Control,  as  established  by General Laws c
21, ss26.

             -68-

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                        Discharge  -  Any  addition  of  any  pollutant  to the
                        waters of the Commonwealth.       '

                        EPA - The United States Environmental Protection Agency

                        Federal  Act - The Federal Water Pollution Control Act,
                        as amended, 33 U.S.C.  ssl251, et seq.

                        Massachusetts  Act  -  The  Massachusetts  Clean Waters
                        Actt  as amended," General Lavs, c 21  ss26-53,  inclusive.

                        Pollutant   -   An   element  or  property  of  sewage,
                        agricultural,  industrial  or commercial waste, runoff,
                        leachate,   heated   effluent,   or   other  matter,  in
                        whatever  form  and  whether  originating at a point or
                        major  nonpoint  source, which is or may be discharged,
                        drained  or  otherwise  introduced  into  any  sewerage
                        system, treatment works or waters of the Commonwealth.

                        Primary  contact  recreation  - Any  recreation or other
                        water  use, such as swimming and water skiing, in which
                        there  is prolonged and intimate contact with the water
                        sufficient to constitute a health hazard.

                        Seasonal  cold  water fishery - Waters whose quality is
                        capable  of  sustaining  only an extremely limited cold
                        water   population   on   a   year-round   basis,  with
                        cold-water  fish  in ' these streams  provided largely by
                        stocking.

                        Secondary  contact recreation - Any  recreation or other
                        water  use  in  which  contact with  the water is either
                        incidental  or accidental, such as fishing, boating and
                        limited contact incident to shoreline activities.

                        Segment  - A finite portion of a water body established
                        by the Division for the purpose of classification.

                        Warm  water  fishery  -  Waters  whose  quality  is not
                        capable  of  sustaining  a  year-round  cold  water  or
                        seasonal cold water fishery.

                        Waters  of  the  Commonwealth  -  All waters within the
                        jurisdiction  of  the  Commonwealth, including, without
                        limitation,  rivers,  streams,  lakes,  ponds, springs,
                        impoundments,  estuaries  and  coastal  waters, but not
                        including groundwaters.
Michigan22              R323.1043. Definitions A to N.
                        Rule 1043.  As used in this part.
                        (a)  "agricultural water use"  means a use of water  for
                        agricultural  purposes,  including, but not limited  to,

                                     -69-

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livestock watering, irrigation and crop spraying.

(b)  "Application  factor"  means  a  numerical  factor
applied  to  the  TLm  or concentration producing other
effect  end  points  to  provide the concentration of a
toxic  substance  that vould be safe for test organisms
in the waters of the state.

(c)  "Best  practicable  waste treatment technology for
control  of  total phosphorous" means chemical-physical
or  chemical-physical-biological  treatment  processes,
including  but  not  limited to treatment with aluminum
salts,   iron   salts,  or  lime  in  conjunction  with
appropriate    coagulant    chemicals,    settling   or
filtration  or  both,  with operation and management of
the  treatment  facilities  and  the process to achieve.
optimum   phosphorous   removal  rates,  or  equivalent
treatment.

(d)   "Anadromous  salmonids"  means  those  trout  and
salmon which ascend streams to spawn.

(e)  "Coldwater  fish"  means  those fish species whose
populations  thrive in relatively cold water, including
but not limited to trout, salmon, whitefish and cisco.

(f)  "Connecting  waterways" means the St. Marys River,
Keweenaw  waterway,  Detroit River, St. Clair River and
Lake St. Clair.

(g)  "Designated  use" means a use of the waters of the
state  as established by these rules, including but not
limited  to  industrial,  agricultural and public vater
supply;  recreation;  fish,  and other aquatic life and
wildlife; and navigation.

(h)  "Dissolved  oxygen"  means  the  amount  of oxygen
dissolved   in   water,   commonly   expressed   as   a
concentration in terms of milligrams per liter.

(i)  "Dissolved  solids"  means the amount of materials
dissolved    in   water   commonly   expressed   as  ' a
concentration in terms of milligrams per liter.

(j)  "Effluent"  means  a  wastewater discharged from a
point source to the waters of the state.

(k)  "Fecal coliform" means a type of coliform bacteria
found  in  the  intestinal  tract  of  humans and other
warm-blooded animals.

(1)  "Fish, other aquatic life, and wildlife use" means
the  use  of  the  waters  of  the state by fish, other
             -70-

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aquatic  life  and  wildlife for any life history stage
or activity.

(m)  "Industrial vater supply" means a water source not
protected  for public water supply and intended for use
in    commercial   or   industrial   applications   and
no-contact food processing.

(n)  "Mixing zone" means a region of a water body which
receives  a wastevater discharge of a different quality
than  the  receiving waters, and within which the water
quality  standards  as prescribed by these rules do not
apply.

(o)  "Natural  water temperature" means the temperature
of  a  body  of  water  without  an  influence  from an
artificial   source,  or  a  temperature  as  otherwise
determined by the Commission.

R 323.1044. Definitions P to V
Rule 1044. As used in this part.

(a)  "Palatability"  means the state of being agreeable
or acceptable to the senses of sight, taste, or smell.

(b)  "Plant nutrients" means those chemicals, including
but  not  limited to nitrogen and phosphorus, necessary
for  the  growth  and  reproduction  of aquatic rooted,
attached, and floating plants, fungi, or bacteria.

(c)  "Point  source" means a discernible, confined, and
discrete  conveyance from which wastewater is or may be
discharged  to  the  waters of the state, including but
not   limited  to,  a  pipe,  ditch,  channel,  tunnel,
conduit,    well,    discrete    fissure,    container,
concentrated  animal  feeding  operation  or  vessel or
other floating craft.

(d)  "Public  water  supply"  means a surface raw water
source   which,   after  conventional  treatment,  will
provide  a  safe,  clear,  potable,  and  aesthetically
pleasing  water  for  uses  which  include, but are not
limited  to  human  consumpti'on,  food  processing  and
cooking,  and  as  a  liquid  ingredient  in  foods and
beverages.

(e)  "Raw water" means the waters of the state prior to
any treatment.

(f)  "Receiving  waters"  means the waters of the state
into which an effluent is, or may be discharged.
             -71-

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         23
                        (g)   "Sanitary  savage"  means  treated  or  untreated
                        vastevaters  vhich contain human metabolic and domestic
                        vastes.
                                                                                     *i
                        (h)  "Standard"  means  a  definite  numerical value or       |
                        narrative  statement  promulgated  by the commission to
                        enhance  or  maintain water quality to provide for, and
                        fully  protect,  a  designated use of the vaters of the      "J
                        state.                                                        /
                                  •

                        (i)  "Suspended  solids"  means  the amount of material
                        suspended   in   water,   commonly   expressed   as   a
                        concentration in terms of milligrams per liter.

                        (j)  "TL "  means  median  tolerance limit which is the       j
                        concentration  of a test material in a suitable diluent       '
                        at  which  SOX  of  the exposed organisms survive for a
                        specified period of exposure.

                        (k)  "Total  body contact recreation" means an activity
                        where  the human body may come into direct contact with
                        water  to the point of complete submergence, including,
                        but  not limited to, activities such as swimming, water
                        skiing, and skin diving.

                        (1)  "Toxic  substances"  means.substances of unnatural
                        origin,  except heat, in concentrations or combinations
                        which  are  or  may  become  harmful to plant or animal
                        life.

                        (m)  "Varmwater  fish"  means  those fish species whose
                        populations  thrive in relatively warm water, including
                        but not limited to, bass, pike, walleye, and panfish.

                        (n)  "Vastewater"  means  liquid  waste  resulting from
                        commercial,  municipal,  and  domestic  operations  and
                        industrial  processes,  including,  but not limited to,
                        cooling  and  condensing  waters,  sanitary sewage, and       J
                        industrial waste.                                             I

                        (o)  "Vaters of the state" means the Great Lakes,  their
                        connecting   waterways,   all   inland  lakes,   rivers,
                        streams,  impoundments,  open drains, and other  surface
                        watercourses  within   the confines of the state, except
                        drainage  ways  arid  ponds  used  solely for wastewater
                        conveyance, treatment, or control.                           J
Minnesota"             The   terms   "waters  of   the state"  for  the  purposes  of      I
                        this  regulation  shall be construed  to  mean intrastate      J
                        waters   as   herein   below  defined,   and   the   terms
                        "sewage,"  industrial  waters,"  and  "other  wastes,"  as      j
                        well  as  any  other   terms  for  which  definitions are      j
                        given  in  the Water Pollution Control Statues, as used
                        herein  have the meanings ascribed  to them in Minnesota      .

                                     -72-                                            '

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Mississippi

Missouri25
           22
Statutes,   Sections   115.01   and  115.41,  vith  the
exception  that  disposal  systems  or  treatment works
operated  under  permit  of  the  Agency  shall  not be
construed  to  be  "waters of the state" as the term is
used  herein.  Interstate  waters  are  defined  as all
rivers,  lakes,  and  other  waters that flow across or
form  part  of  state boundaries.  All of the remaining
designated  waters  of  the state which do not meet the
definition  of  interstate waters given above are to be
construed  herein  as  constituting  intrastate waters.
Other  terms  and  abbreviations  used herein which are
not  specifically  defined  in  applicable  federal  or
state  lav  shall  be construed in conformance with the
context,  and  in relation to the applicable section of
the  statutes  pertaining  to  the  matter at hand, and
current professional usage.

Not specified

(A)  Waters  of  the  State: All rivers, streams, lakes
and  other bodies of surface and subsurface water lying
within  or  forming  a  part  of  the boundaries of the
state  which  are  not  entirely  confined  and located
completely   upon  lands  owned,  leased  or  otherwise
controlled  by  a  single  person  or  by  two  or more
persons  jointly  or  as tenants in common and includes
water of the United States lying within the state.

(B) Stream-flow classification
                          1.  Class  P:  Streams
                        even in drought periods.
                          that  maintain permanent flow
                          2.  Class  Fl:  Standing-water  reaches  of  Class  P
                        streams, including impoundments.

                          3.  Class  C:  Streams  that  may  cause  flow in dry
                        periods,  but  maintain  permanent  pools which support
                        aquatic life.

                        (C)  Water  quality  criteria:  Chemical, physical, and
                        biological  properties  of  water that are necessary  to
                        protect beneficial water uses.

                        (D) Beneficial water uses:

                          1.  Irrigation:   Application of water  to cropland  or
                        directly  to  plants  that  may  be  used  for human  or,
                        livestock   consumption.      Occasional   supplemental
                        irrigation,  rather  than  continuous  irrigations,   is
                        assumed.
                                     -73-

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  2.  Livestock  watering  and  wildlife  watering (LW,
tftf):    Maintenance  of conditions 'to support health in
livestock and wildlife.

  3.    Protection    of   warm-water   aquatic   life:
Maintenance  of  conditions  to sustain warm-water fish
and  other  warm-water aquatic life, including critical
stages  of  reproduction  and  early  life.    It 'will
include warm-water sport fishing.

  4.  Coldwater  sport  fishery  (CWSF): Maintenance of
conditions  to  support  the propagation or stocking of
trout.

  5.  Whole-body  contact recreation (WBCR): Activities
in  which  there  is  direct human contact with the raw
surface   water   to   the   point   of  complete  body
submergence.      The   raw   water   may  be  ingested
accidentally  and  certain  sensitive body organs, such
as  the  eyes,  ears,  and the nose, will be exposed to
the   water.    Although  the  water  may  be  ingested
accidentally,  it  is  not  intended  to  be  used as  a
potable  supply unless acceptable  treatment is applied.
Water   so  designated  is  intended  to  be  used  for
swimming, water skiing or skin diving.

  6.  Drinking water supply (DWS): Maintenance of a raw
water  supply  which will yield  potable water by common
treatment processes.

  7.  Industrial  process  water and industrial cooling
water:  Water to support various industrial uses; since
quality  needs  will   vary  by   industry,  no  specific
criteria are set in  these standards.

  8.  Commercial  Fishery:  Aquatic  life  criteria and
Food   and   Drug    Administration  limits   for   fish
consumption are applicable.

  9.  Boating  and   canoeing:  Activities  in which  very
little contact with  water  is  assumed.                 '

 (E)  Outstanding national  resource waters:  Waters which
have      outstanding    recreation    and     ecological
significance.    These  waters   shall   receive   special
protection   against  any degradation in quality.   Rivers
of   the   Ozark  National  Scenic Riverways and  the  Wild
and Scenic  Rivers  systems  are so designated.

 (F)   Epilimnion:   Zone  of  atmospheric  mixing  in  a
 thermostratified  lake.

 (G)  Hypolimnion:   Zone beneath the zone of atmospheric
 mixing in a thermostratified lake.

              -74-

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                         (H)   Aquifer:  A subsurface vater-bearing bed or stratum
                         of  sand,   gravel  or bedrock which stores or transmits
                         vater in recoverable quantities.

                         (I)   Losing  stream:  A stream vhich distributes 30* or
                         more  of  its  flow  through natural processes, such as
                         through  permeable  subsoil  and/or  cavernous bedrock,
                         into groundvater.

                         (J)   Fecal  coliform  bacteria:  A  group  of  bacteria
                         present  in  intestines  of  warm-blooded animals which
                         indicates   the   possible   presence   of   pathogenic
                         organisms.

                         (K)   Un-ionized  ammonia:  The  toxic  form of ammonia;
                         higher  pH  and  higher temperature will cause a larger
                         percentage to exist in the un-ionized form.

                         (L)   96-Hour . LCe/j  (TLm):  Concentration of a toxicant
                         which  would be expected to kill 502 of the individuals
                         of the test species in 96 hours.

                         (M)   Regulated-flow  streams:  A  stream that derives a
                         majority of its flow from a flow-regulating structure.

                         (N)   Mixing  zone:  An  area  of  initial  dilution  of
                         effluent in the receiving water.  .        •      .

                         (0)   Zone  of  passage: A continuous water route of the
                         volume,  area and quality necessary to allow passage of
                         free-swimming    and   drifting   organisms   with   no
                         significant effects produced on their populations.

                         (P)   7-day, once-in-ten year low flow (7-day, Q10): The
                         average  minimum  flow  for seven consecutive days that
                         has  a recurrence interval of once in ten years.
>
        26
Montana                 Unless  statutory  definition  or the context otherwise
                         requires in this rule:
                                                                               r
                         "Conduit"  means any artificial or natural duct, either
                         open or closed, for conveying liquids or other fluids.

                         "Dewatered  stream"  means  a perennial or intermittent
                         stream  whose  water  has  been removed for one or more
                         beneficial uses.

                         "EPA" means the U. S. Environmental Protection Agency.

                         "Intermittent  stream"  means  a stream or portion of a
                         stream   that   flows   only   in  direct  response   to
                         precipitation;  it  receives  little  or  no water from


                                      -75-

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springs  and no long-continued supply from melting snov
or other sources.

"Naturally  occurring'  means  conditions  or  material
present  from  runoff or percolation over which man has
no  control or from developed land where all reasonable
land,  soil  and water conservation practices have been
applied.'    Conditions resulting from dams in existence
as of July 1, 1971 are natural.

"Mixing  zone" means that volume of state water wherein
any   pollutant  may  exceed  allowable  water  quality
standards.

"Pesticide11     means     insecticides,     herbicides,
rodenticides,  fungicides  or  any substance or mixture
of  substances  intended  for  preventing,  destroying,
controlling,  repelling,  altering  life  processes, or
mitigating  any  insects,  rodents,  nematodes,  fungi,
weeds and other forms of plant or animal life.

"Residue"   means  oils,  floating  solids  and  sludge
deposits.

"Sediment"    means   solid   material   settled   from
suspension  in  a  liquid;  mineral  or  organic  solid
material  that  is  being transported or has been moved
from  its  site  of origin by air, water'or ice and has
come  to  rest  on the earth's surface, either above or
below  sea  level;  or  inorganic  or organic particles
originating  from weathering, chemical precipitation or
biological activity.

"Settleable   solids"   means   inorganic   or  organic
particles  that  are  being   transported  or  have been
transported  by  water from the site or sites of origin
and  are  settled  or are capable of being settled from
suspension.

"Sewer"   means   a   pipe    or  conduit  that  carries
wastewater or drainage water.

"State  waters"  means  any   body  of water,  irrigation
system    or   drainage   system,   either   surface  or
underground.   This   section  shall    not    apply  to
irrigation  waters  where the waters are used  up within
the  irrigation  system and said waters are not returned
to   any other state waters.   The  term  "state  waters" as
used in  this rule does not include underground waters.

"Storm  sewer"   or   "storm  drain"  means  a  sewer  that
carries   storm water  and surface water,  street wash  and
other  wash waters,  or  drainage but excludes  sewage  and
industrial wastes.

             -76-

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                        "True  color"  meahs  the color of water from which the
                        turbidity has been removed.

                        "Turbidity"  means  a  condition in water or wastewater
                        caused  by  the  presence of suspended matter resulting
                        in the scattering and absorption of light rays.
        77
Nebraska                001  "Beneficial  Use"  shall  mean one of  the existing
                        uses  of a water body or one that is attainable based on
                       •. the  .physical,   chemical,  or  biological  water  body
                        characteristics.    Beneficial  uses include but are not
                        limited  to  agricultural,  industrial, and public water
                        supplies;   protection  and  propagation  of  fish;  and
                        recreation  in and on the water.  Waste transport is not
                        a beneficial use.

                        002 "Canal" shall mean an artificial waterway which acts
                        as a main supply line of an irrigation canal system into
                        which  water  is  released  from a reservoir or diverted
                        from a river.

                        003  "Colloidal  Substances"  shall  mean   clay or other
                        substances  which do not settle out without the use of a
                        flocculent.

                        004 "Cubic Foot per Second (cfs)" shall mean the unit of
                        measurement   used   in   reporting   stream  discharge,
                        sometimes  referred to as second-foot (sec-ft).  It is a
                        volume  of  one  cubic foot passing a given point during
                        one second of time and is equivalent to 7.48 gallons per
                        second or 448.8 gallons per minute.

                        005 "Daily Mean" shall mean an average of  the daily high
                        and  low measured values.  In calculating  the daily mean
                        for  dissolved  oxygen,  values used in the calculations
                        shall  not  exceed  the  dissolved oxygen  air saturation
                        value.  If a measured value exceeds  the dissolved oxygen
                        air  saturation  value,   then   the  dissolved oxygen air
                        saturation  value shall be used in calculating  the daily
                        mean.
                                                                             r
                        006  "Department"  shall  mean  the Nebraska Department  of
                        Environmental Control.

                        007  "Dissolved Oxygen  (DO)" shall mean a  measure of  the
                        amount of  free  oxygen  in  the water.

                        008  "Dissolved  Oxygen Air Saturation Value"  shall  mean
                         the  concentration  of  dissolved  oxygen which  represents
                         100  percent   saturation   at   any given point  in a  water
                        body   based   on  the   water   temperature  and  atmospheric
                        pressure.


                                      -77-

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 009  "Early  Life  Stages"  shall mean all embryonic and
 larval   stages  and  all  juvenile  forms  to  30  days
 following hatching.

 010  "Endangered Species" shall mean any aquatic species
 identified  by  the  Nebraska  Game and Parks Commission
 whose  continued  existence as a viable component of the
 wild'  fauna of the State is determined to be in jeopardy
 or  which  meets  the criteria of the Federal Endangered
• Species Act.

 Oil "Epilimnion" shall mean the warm, freely circulating
 upper layer of thermally stratified lakes.

 012  "Existing  Uses"  shall  mean those beneficial uses
 actually  attained  in a water body on or after November
 28,  1975,  whether  or  not  they are included in these
 water quality standards.

 013  "Fecal  Coliform"  shall  mean  the  portion of the
 coliform  group  which is present in the gut or feces of
 warm-blooded  animals  and  generally includes organisms
 which are capable of producing gas from lactose broth in
 a  suitable  culture  medium  within  24 hours at 44.5 +
 0.5°C.

 014   "Hypolimnion"  shall  mean  the  cold,  relatively
 undisturbed  lowermost  layer  of  thermally  stratified
 lakes.

 015  "Impounded  Vaters" shall mean manmade or naturally
 occurring collections or confinements of water.
 016  "Junk"  shall  mean old scrap, copper, brass, iron,
 steel,  rope,  rags,  batteries,  paper,  trash,  rubber
 debris,  waste,  dismantled  or  wrecked automobiles, or
 parts  thereof,  and  other  old  or  scrap  ferrous  or
 nonferrous material.

 017  "Key  Species"  shall  mean  identified endangered,
 threatened,   sensitive,   or  recreationally  important
 aquatic  species associated with a particular water body
 and its aquatic life use class.

 018 "Lateral" shall mean the water conveyance portion of
 an   irrigation  system  which  has  a  smaller   initial
 capacity  than  the canal and includes a ditch, c'onduit,
 pipe,  or channel which extends in a direction away from
 the  canal  and  provides  direct  irrigation service to
 farms.

 019  "Metalimnion"  shall  mean the layer of a thermally
 stratified  lake  which  exhibits  a  steep  temperature
              -78-

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gradient  and  separates  the  epilimnion above from  the
hypolimnion belov.

020   "Milligrams  per  Liter  (mg/1)"  shall  mean   the
milligrams   of   substance   per   liter  of  solution,
equivalent to parts per million assuming unit density of
the solution.

021  "Mixing  Zone"  shall  mean an area of a water body
contiguous  to  a vastevater discharge.  The mixing zone
should  be  considered  a  place  vhere  vastevater   and
receiving  vater mix and not as a place vhere vastes  are
treated.

022   "Nonpoint   Source"   shall  mean, any  source  of
pollutants other than those defined as point sources.

023  "One  Day  Minimum"  shall  mean  the  lovest daily
instantaneous value measured.

024 "Petroleum Oils" shall mean all oils other than oils
of vegetable and animal origin.

025  "pH"  shall  mean  the  negative  logarithm  of  the
hydrogen  ion  concentration  (pH  *  -log  [H  +].   pH
expresses  both the acidity and alkalinity of vater on a
scale  from  0  to  14,  vith  7 representing neutrality
(numbers  less  than  7  denote  increasing acidity,  and
numbers greater than 7 increasing alkalinity).

026  "Point  Source" shall mean any discernible confined
and  discrete  conveyance,  including but not limited to
any   pipe,   ditch,  channel,  tunnel,  conduit,   veil,
discrete fissure, container, rolling stock, or vessel or
other  floating  craft, from vhich pollutants are or  may
be discharged.

027  "Pollutant"  shall  mean  any gas, liquid, or solid
introduced  into  a  body  of  vater  that  causes vater
pollution.

028  "Recreationally  Important  Species" shall mean  any
game  fish species identified by the Department vhich is
important  to  sport  fishermen  and readily affected by
vater quality degradation.

029  "Salmonid"  shall  mean  any  fish belonging to  the
family Salmonidae.  Trout are members of this family.

030  "Sensitive  Species" shall mean any aquatic species
identified   by  the  Department  vhich  has  a  limited
distribution  in  the State and is indigenous to stable,
high quality aquatic environments.
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031  "Settleable  Solids"  shall mean substances such as
silt,  organic  detritus,  plankton,  and  sand,  which,
because  of  particle  size  or  lack of water currents,
settle to the bottom of a stream course (or a laboratory
sample bottle).

032  "Seven Day Mean" shall mean an average of the daily
mean   values   calculated   over   a  period  of  seven
consecutive days.

033  "Seven  Day  Mean Minimum" shall mean an average of
The  one  day minimum values calculated over a period of
seven consecutive days.

034 "Seven-Day-Ten-Year Low Plow" shall mean the average
low  flow for seven consecutive days that is expected at
a frequency of once every ten years.

035  "Specific  Conductivity (Conductivity-Conductance)"
shall  mean a measure of the ability of water to conduct
an  electrical current and is expressed in micromhos per
centimeter  at  25 °C.  Because the specific conductivity
is  related  to the number and types of chemical ions in
solution,   it   can   be  used  for  approximating  the
dissolved-solids content of water.

036  "Surface  Waters"  shall mean all waters within the
jurisdiction  of  this  State,  including  all  streams,
lakes,  ponds, impounding reservoirs, marshes, wetlands,
watercourses,   waterways,   springs,   canal   systems,
drainage  systems, and all other bodies or accumulations
of  water,  antural  or  artificial,  public or private,
situated  wholly  or partly within or bordering upon the
State.    Impounded  waters  in  this  definition do not
include areas designated by the Department as wastewater
treatment   or   wastewater   retention   facilities  or
irrigation reuse pits.

037  "Suspended  Solids"  shall  mean substances such as
erosional  silt,  organic  detritus, plankton,  and sand,
which are held in suspension by water currents.

038  "Thermal Stratification" shall  mean a characteristic
of   certain lakes in which distinct  layers of water  that
differ    in    density    exist   because  of   temperature
differences.   These layers are resistant  to  mixing  with
each other.

039  "Thirty Day  mean"  shall mean an average  of  the daily
mean   values    calculated   over   a  period  of   thirty
consecutive days.

040   "Threatened Species"  shall mean any aquatic  species
identified   by  the Nebraska   Game and  Parks Commission

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whose  continued  existence as a viable component of the
vild  fauna  of  the  State  appears, likely  to  become
endangered  or  which  meets the criteria of the Federal
Endangered Species Act.

041  "Toxic  Substances"  shall mean those pollutants or
combinations  of  pollutants, or disease causing agents,
which  after  discharge  and  upon  exposure, ingestion,
inhalation  or  assimilation  into  any organism, either
directly from the environment or indirectly by ingestion
through  food  chains,  will on the basis of information
available to the Department cause either death, disease,
behavioral  abnormalities,  cancer,  genetic  mutations,
physiological  malfunctions  (including  malfunction  in
reproduction) or physical deformations, on such organism
or their offspring.

042  "Un-ionized Ammonia" shall mean that portion of the
total  ammonia  present  that  remains  undissociated in
water, and the form largely responsible for the toxicity
of  ammonia  to  aquatic life.  The amount of un-ionized
ammonia  present  is  primarily  dependent  upon  pfi and
temperature.

043  "Vastewater"  shall  mean  water containing sewage,
and/or industrial wastes, including, but not limited to,
discharges  from  sand  and  gravel  operations, cooling
water,  storm water, street and road runoff, return flow
from  irrigation,  feedlot  runoff,  or wastes resulting
from  land 'erosion  and  other  discharges,  treated or
untreated,  which  enter directly or indirectly into the
waters of the State or to any storm sewer, and including
the runoff from land used for the disposition of wastes.

044   "Vater   Pollution"  shall  mean  the  manmade  or
man-induced   alteration   of  the  chemical,  physical,
biological, and radiological integrity of water.

045 "Vater Quality" shall mean the biological, chemical,
physical, and radiological integrity of a body of water.

    045.01  "Biological Integrity" shall mean the plant,
    animal, and bacteriological species composition of a
    body of water.

    045.02 "Chemical Integrity" shall mean  the inorganic
    and  organic (nonliving) constituents of a volume of
    water.

    045.03  "Physical Integrity" shall mean the physical
    properties     (e.g.,     temperature,    turbidity,
    sedimentation) of a body of water.
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                            045.04   "Radiological  Integrity"  shall  mean   the
                            radioactive properties of a volume of water.

                        046 "Zone of Passage" shall mean the area outside of  any
                            mixing  zone  which  allows  for movement of aquatic
                            organisms.


      28
Nevada                  ."Act"  means  the  Federal  Water  Pollution Control  Act
                        Amendments of 1972 (33 U.S.C. 1251, et seq.)

                        "Administrator"  means  the  administrator  of  the U.S.
                        Environmental Protection Agency.

                        "Aquatic  Animal  Production Facility" means a hatchery,
                        fish  farm  or  other facility which contains, grows, or
                        holds:

                        Fish  or  other  aquatic  animals in ponds, raceways, or
                        other  similar structures for purposes of production  and
                        from  which  there is a discharge on any 30 days or more
                        per year, but does not include:

                        Closed  ponds  which  discharge  only  during periods of
                        excess runoff, or

                      •  Facilities  which  produce  less  than  20,000 pounds of
                        aquatic animals per year;.

                        Any  species  of  fish  or other animal life (other than
                        carp (Cyprinum carpio), goldfish (Carassius auratus), or
                        brown  trout  (Salmo  trutta)  nonnative  to  the United
                        States  as defined in "Special Publication No. 6" of  the
                        American  Fisheries  Society entitled, "A List of Common
                        and  Scientific  Names  of  Fishes  from  the  U. S.  and
                        Canada,"  and  from  which  there  is a discharge at  any
                        time.

                        "Commission" means the state environmental commission.  .

                        "Complete  treatment"  means  that  degree  of treatment
                        which  is  required  to continuously produce water which
                        meets State Board of Health drinking water standards.

                        "Conventional   treatment"   means   processes  such  as
                        coagulation,      sedimentation,     filtration,      and
                        disinfection;  however,  it  does  not include desalting
                        techniques.

                        "Department"  means  the  Department of Conservation  and
                        Natural Resources.

                        "Director"  means  the Director of the Department or  his
                        designee.

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"Discharge"   means  any  addition  of  a  pollutant  or
pollutants to vater.

"Disinfection"  means the destruction or inactivation of
disease-producing organisms.

"Division"   means   the   division   .of   environmental
protection of the Department of Conservation and Natural
Resources.

"Effluent  limitation"  means  any  applicable  state or
federal  vater  quality  standard  or  limitation, vhich
imposes  any  restriction  or prohibition on quantities,
rates   or   concentrations   of   chemical,   physical,
biological,  and other constituents vhich are discharged
from point sources into any vaters of the state.

"Filtration"   means  a  physical-chemical  process  for
removing  suspended  and colloidal impurities from vater
by  passage  through  a  porous  medium by the following
mechanisms:    absorption,  flocculation, sedimentation,
and straining.

"Individual  sevage  disposal  system" means a system of
sevage  treatment  tanks or tank and effluent absorption
or  percolation  facilities serving a single-dwelling or
structure.

"Industrial  wastes",  means  vastes  resulting  from any
process  of  industry, manufacturing, trade or business,
or  from  the  development  or  recovery  of any natural
resources.

"Interstate  agency"  means  any  agency  of two or more
states:
  Established  by or pursuant to an agreement or compact
approved by the  Congress of the United States; or
  Having  substantial povers of duties pertaining to the
control of pollution of vaters.

"Lav" means NRS 445.131 to MRS 445-354, inclusive.

"Minor  discharge"  means  any discharge vhich (1) has a
total volume of less than 50,000 gallons on every day of
the  year,  (2)  does not affect the vaters of any other
state,  and  (3)  is not identified by the director, the
regional  administrator,  or  by  the administrator as a
discharge  vhich  is not a minor discharge.  If there is
more  than  one discharge from a facility and the sum of
the  volumes  of all discharges from the facility exceed
50,000 gallons on any day of the year, then no discharge
from  the  facility  is  a  minor  discharge  as defined
herein.

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"Municipality" means

Any  city, town, county, district, association, or other
public  body  created  by or pursuant to the lav of this
state,  which  has jurisdiction over disposal of sewage,
industrial vastes or other vastes; or

An   Indian   tribe   or  an  authorized  Indian  tribal
organization.

"NPDES"   means   l:he   National   Pollutant   Discharge
Elimination System, which is the national system for the
issuance of permits under Section 402 of the Act.

"Natural  waters"  means  waters  which  have  not  been
degraded or enhanced by actions attributable to man.

"New source" means any source, the construction of which
is   commenced   after   the   publication  of  proposed
regulations  prescribing a standard of performance under
Section  306 of the Act which will be applicable to such
source,  if  such  standard is thereafter promulgated in
accordance with Section 306 of the Act.

"Origin"  means  all  waters  tributary  'to those waters
being classified and are considered a part of the waters
being classified unless otherwise*designated.

"Permit"  means  a  written  authorization  to discharge
pollutants  into  the  waters of  the state in accordance
with  the  Act, the law, and the  regulations promulgated
thereunder.

"Person means:

The  state  or  any  agency  or institution thereof, any
individual,   partnership,  firm;  private  corporation,
trust,  estate,  commission,  board,  public  or private
institution, utility, cooperative, municipality or other
political subdivision of this state, any interstate b,ody
or any other legal entity.

"Point  source"  means  any  discernible,  confined  and
discrete  conveyance, including,  but not limited  to, any
pipe,  ditch,   channel,  tunnel,  conduit, well, discrete
fissure,  container,  rolling stock, concentrated animal
feeding   operation,  or  vessel or other floating craft,
from which pollutants are  or may  be discharged.

"Pollutant" means:

Dredged spoil,  solid waste,  incinerator  residue,  sewage,
garbage,  sewage   sludge,  munitions,  chemical   wastes,

              -84-

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biological  materials,  and radioactive materials, heat,
wrecked or discarded equipment, rock, sand, cellar dirt,
and   industrial,   municipal,  and -• agricultural  waste
discharge into water;

Does  not  mean  water,  gas, or other material which is
injected  into a well to facilitate production of oil or
gas,  or  water  derived  in association with oil or gas
production  and  disposed  of  in a well, if the well is
used  either for facilitating production or for disposal
purposes  and  if  the  Department  determines that such
injection or disposal will not result in the degradation
of ground or surface water resources.

"Pollution" means the man-made or man-induced alteration
of  the chemical, physical, biological, and radiological
integrity of water.

"Pretreatment standards" means the standards promulgated
under Section 307(b) of the Act.

"Refuse  Act  application"  means  the application for a
permit under Section 13 of the Rivers and Harbors Act of
March 3, 1899.

"Regional     Administrator"    means    the    Regional
Administrator   of   the   United  States  Environmental
Protection Agency, Region IX.

"Sewage"  means  the water-carried human or animal waste
from  residences,  buildings, industrial establishments,
feedlots,   or   other   places,   together   with  such
groundwater  infiltration  and  surface  water as may be
present.    The  mixture  of  sewage  with wastes and/or
industrial wastes shall also be considered sewage within
the meaning of these regulations.

"Source"  means  any  building,  structure, facility, or
installation from which there is or may be the discharge
of pollutants.
                                                      t
"Standard  of  performance"  means  a  standard  for the
control  of  the  discharge of pollutants which reflects
the  greatest  degree  of  effluent  reduction which the
Administrator   determines   to  be  achievable  through
application  of  the best available demonstrated control
technology,   processes,  operating  methods,  or  other
alternatives,  including,  where practicable, a standard
permitting no discharge of pollutants.

"Toxic  materials"  means  any material appearing on the
list  developed by the Administrator pursuant to Section
307(a) of the Act.
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"Treatment  or  vaste treatment" means the stabilization
or   alteration  of  the  quality  of  waste  waters  by
physical,   biological,   or   chemical   means,   or  a
combination  thereof,  for  the  purpose  of reducing or
eliminating  adverse effects on water quality, such that
the  tendency of said wastes to cause any degradation in
water  quality  or  other  environmental  conditions  is
reduced or eliminated.

"Treatment works", means:

  Any   devices   and   systems  used  in  the  storage,
treatment,   recycling,  and  reclamation  of  municipal
sewage   or   industrial  wastes  of  a  liquid  nature,
including  intercepting  sewers,  outfall sewers, sewage
collection  systems, pumping, power and other equipment,
and their appurtenances;

  Extensions,  improvements,  remodeling, additions, and
alterations of any device or system mentioned above;

  Units  essential to provide a reliable recycled supply
such   as   standby   treatment  units  and  clear  well
facilities;

  Any works, including site acquisition of the land that
will  be an integral part of the treatment process or is
used  for  ultimate  disposal of residues resulting from
such treatment; and

  Any  other  method  or system for preventing, abating,
reducing,  storing,  treating, separating or disposing of
municipal   waste,   including   storm   water   runoff,
industrial  waste  or  waste in combined storm water and
sanitary sewer systems.

"Water  quality  standards  or  limitations"  means  any
applicable  state  or federal water quality standards or
limitations,   including,  but  not   limited  to,  water
quality    criteria,    water    use    classifications,
implementation  plans and compliance  schedules, effluent
standards  and  limitations,  prohibitions, standards of
performance and pre treatment methods.

"Waters of  the state" means all water situated  wholly or
partly within or bordering upon the state,  including but
not limited  to:
  All    streams   lakes,   ponds,   impounding   reservoirs,
marshes,   water   courses,   waterways,   wells,   springs,
irrigation systems,  and  drainage  systems,  and

  All   bodies  or  accumulations   of   water,  surface and
underground, natural or  artificial.

             -86-

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Nev Hampshire
             29
                        "Zone  of  mixing"
                        point   of   vaste
                        immediately  mixes
                        momentum  of  the
                    means  the  volume of water near the
                    discharge  within  which  the  water
                    with  the receiving water due to the
                   waste discharge and the difference in
density between the waste and the receiving water.

"Zone  of passage" means a continuous water route of the
volume,  cross-sectional  area, and quality necessary to
allow passage of free-swimming and/or drifting organisms
with  no , significant -  effect  produced  on  the aquatic
population.

Antidegradation  Policy:    A  policy which protects the
current high water quality use even though the water may
be  classified  for  a lesser use.  For example, a water
body  currently  meeting  the  standards  and  used  for
swimming  purposes  cannot  be  degraded to a lesser use
even if classified "C".

Coliform  Organisms:  Any of a number of organisms whose
presence   in   water   is   a  possible  indication  of
potentially  dangerous bacterial contamination emanation
from human and animal wastes.

Disinfection:    The  killing of the larger portion (but
not  necessarily  all)  of the harmful and objectionable
microorganisms,   in   or  on,  a  medium  by  means  of
chemicals, heat, ultraviolet light, etc. Chlorination is
the   method  commonly, employed  in ' water  and  sewage
treatment processes.

Dissolved Oxygen (DO):   The oxygen dissolved as a gas in
sewage,  water  or  other  liquid  usually  expressed in
milligrams  per liter  (mg/1), parts per million (ppm) or
percent  saturation.    Adequate dissolved oxygen levels
are  necessary  in  waters  to  protect  fish  and other
aquatic  life  and  to  prevent  offensive  odors.   Low
dissolved  oxygen  concentrations  are  generally due to
excessive  organic  solids  discharged  as  a  result of
inadequately treated waste (having high (BOD); excessive
algal  growths  may  cause  vastly fluctuating dissolved
oxygen  levels.    Other factors such as temperature and
water  movement  also have an impact on dissolved oxygen
levels .

pH:    The  index  of  hydrogen ion activity, used as an
indication of acidity or alkalinity in water.  The pH of
most  waters  ranges   from  6.5 to 8.5, and most uses of
water,  such  as  aquatic  life  propagation, prosper at
these levels.

Pollutant:   Any introduced gas, solid, or liquid matter
which renders a resource unfit for a specified use.
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                         Surface  Waters  of  the  State:   Streams,  lakes,  ponds  and      /
                         tidal  waters  within   the  jurisdiction  of   the  State,
                         including  all   streams,  lakes  or  ponds  bordering  on  the      -]
                         State, marshes,  water courses and  other  bodies  of  water,      j
                         natural or artificial.

                         Sewage:"     The   water-carried   waste  products from      ]
                         buildingsj   public  or private,  together  with  such  ground      '
                      •   water infiltration  and  surface  water as  may be  present.

                         Temperature:     A   measure  of  heat   content.   Extreme      I
                         temperatures  primarily  affect the aquatic life uses of
                         waters.    While temperature   is  affected   by natural      j
                         conditions,   man   has  a  significant  effect by   the      j
                         construction  and operation of  dams and  the discharge of
                         cooling  waters  from industrial processes, particularly
                         power generation.                                             j

                         Toxic Materials:  Poisonous compounds  which kill,  injure
                         or  impair an organism  usually  through chemical actions.
                         Examples  of  toxic materials  are  pesticides and many
                         heavy metals.

                         Warm-  and  Cold-Water  Fish:    Warm-water fish include
                         bass,  sunfish,  cat-fish, suckers, etc; cold water fish
                         include salmon, and  trout, whitefish, smelts,  shad, etc.

                         Waste:  Unused,  unwanted, or otherwise rejected matter.
          30
New Jersey               The  following   words and terms shall  have the  following      1
                         meanings unless  the context clearly indicates otherwise.      j

                         Agricultural  Water Supply - Water used  for livestock or      i
                         irrigation.                                                   j

                         Ambient  Temperature  -  The temperature of a water body
                         unaffected  by   the localized  heated  waste discharge or
                         discharge complex.                                            '

                         Anadromous  Fish -  Fish that spend a part  of  their lives      j
                         in the sea or lakes, but  ascend .rivers to  spawn.              )

                         Aquatic  Substrata  -   Soil  material  and  attached biota      t
                         underlying the water.                                         I

                         Biota  -  The animal and  plant  life of the region; flora
                         and fauna collectively.
                                                                                     _ •£•.
                         Department  -  New  Jersey  Department  of Environmental
                         Protection.                                                   \

                         Epilimnion  - The upper warm region of a stratified body
                         of  water  which is freely circulation  and extends from

                                     -88-

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 the  surface  to  the  thermocline  and  does not have a
 permanent  temperature stratification.

 Eutrophic  Lake - Lakes vith a good supply of nutrients;
 they  may  support rich organic production, such as alga
 blooms  and  are  commonly deficient in dissolved oxygen
 belov the  thermocline when stratified.

 Heat Dissipation Area - Localized area of surface water,
 as  may  be  designated  by  the  Department,* into which
 thermal  effluents  may be discharged for the purpose of
 mixing, dispersing or dissipating such effluents without
 creating nuisances or hazardous conditions.

 Hypolimnion - The lower cold region of a stratified body
 of water that extends from the thermocline to the bottom
 of  the  lake  and  is cut off from circulation with the
 upper  waters,  thereby  receiving  no  oxygen  from the
 atmosphere while stratified.

 Industrial  Water Supply - Water used for processing and
 cooling.

 Mixing Areas - Localized areas of surface waters, as may
 be  designated by the Department, into which non-thermal
 wastewater  effluents  may be discharged for the purpose
 of  mixing,  dispersing  or  dissipating  such effluents
 without creating nuisances or hazardous conditions.

 Natural  Temperature - Temperature that would exist in a
 waterway  without  the  addition  of  heat of artificial
 origin.

 Nontrout Waters - Waters, that because of their physical
 and/or  chemical  and/or biotic characteristics, are not
 suitable  for  trout but which, in general, are suitable
 for a wide variety of other fish species.

 Primary  Contact  Recreation  -  Recreational activities
 that  involve significant ingestion risks and including,
 but  not  limited  to wading, swimming, diving, surfing,
 and water skiing.

 Secondary  Contact  Recreation _ Recreational activities
where  the  probability  of significant contact or water
 ingestion  is minimal and including, but not limited to,
 boating,  fishing,  and those other activities involving
 limited   contact   with   surface  waters  incident  to
 shoreline recreation.

 Stream  Temperature:   Temperature of a stream outside of
 the designated heat dissipation area.
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                         Surface  Water  Classifications   Surface waters of, this
                         State  identified as Fresh (FW),"Tidal (TV),  and Coastal
                         (CW)..    This ' includes  both  interstate and intrastate
                         waters.

                         Thermocline  -  The middle layer  of a stratified body of
                         water in. which the drop in temperature equals or exceeds
                         1.8 degrees F (1 degree C) per meter of depth.

                         Thermal  Alterations  -  The  increase  or  decrease  in
                         temperature of surface waters above or below the natural
                         that may be caused by the activities of man.

                         Trout  Maintenance  Waters  -  Waters that support  trout
                         throughout   the  year  or  which  have high potential for
                         such   use    pending   the   correction  of  short   term
                         environmental  alterations.    Waters in which the biotic
                         community  is  manipulated  for  the  purpose  of  trout
                         maintenance and which are otherwise not naturally suited
                         for such purposes are not included.

                         Trout  Production Waters  - Waters that are used by  trout
                         for  spawning and/or nursery purposes during  their  first
                         summer;   or  which are considered to have high  potential
                         for  such  use  pending  the  correction  of  short  term
                         environmental alterations.

                         Wildlife -  All undomesticated animals or fowl.
          31
Nev Mexico    •           A.   "Attainable  use"   means a use  of a surface water  of
                         the   State  which  has  water quality  and  all other
                         characteristics  necessary  to support  and maintain  the
                         use,   as specified  in Section 3-101 of  these standards,
                         or   which  would   support and maintain the use  after  the
                         implementation  of  water quality standards as  specified
                         in  Section  1-101.B of  these  standards.

                         B.   "Coldwater  Fishery"   means   a  stream reach,  lake  or
                         impoundment   where   the   water   temperature  and other
                         characteristics   are   suitable    for  the   support   of
                         coldwater  fishes  such  as   brown,  cutthroat,  brook,,  or
                         rainbow  trout.

                         C.  "cfs"  means  cubic feet per second.

                         D.   "Domestic  Water  Supply"  means  a surface water  that
                         may   be   used  for  drinking  or  culinary purposes after
                         disinfection.

                         E.   "Ephemeral  stream"   means  a  stream or reach of a
                         stream   that   flows  briefly  only  in direct  response  to
                         precipitation or  snowmelt in the  immediate locality;  its
                         channel   bed   is   always   above   the  water table of  the
                         region adjoining  the stream.

                                      -90-

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P.  "Fecal  Coliform  Bacteria" means the portion of the
coliform  group vhich is present in the gut or the feces
of warmblooded animals.  It generally includes organisms
vhich  are capable of producing as from lactose broth  in
a  suitable culture medium within 24 hours at 44.5 + 0.2
C.

G.  "Fish  Culture"  means  production  of  coldwater  or
warmwater fish in a hatchery or rearing station.

H.  "Flow"  relative  to the four definitions of streams
herein  means  natural  flov  ensuing  from  the earth's
hydrologic   cycle,   i.e.,   atmospheric  precipitation
resulting  in  surface  and,  or,  ground-water  runoff.
Natural, in-stream flow may be interrupted or eliminated
by  dams  and  diversions,  but  natural  flow cannot  be
created  artificially  by  point-  source  discharges  of
wastewater.

I.  "FTU"  means formazin turbidity units (see "Standard
Methods for the Examination of Water and Wastewater").

J.  "High  Quality  Coldwater Fishery" means a perennial
stream  reach in a minimally disturbed conduit which has
considerable aesthetic value and is a superior coldwater
fishery  habitat.    A stream reach to be so categorized
must have water quality,, stream bed characteristics, and
other  attributes  of  habitat sufficient to protect and
maintain   a  propagating  coldwater  fishery  (i.e.,' a
population of reproducing salmonids).

K.  "Intermittent  stream"  means a stream or reach of a
stream  that  flows  only  at certain times of the year,
such  as  when  it  receives  flow from springs, melting
snow,  or  localized  precipitation.    Syn:   temporary
stream; seasonal stream.

L.  "Interrupted  stream"  means  a stream that contains
perennial   reaches  with  intervening  intermittent   or
ephemeral reaches.  Ant:  continuous stream.

M.  "Interstate  Waters" means all waters which cross  or
form a part of the border between States.

N.  "Intrastate  Waters"  means  all waters of the State
which are not interstate waters.

0.  "LC-50"  means the concentration of a substance that
is  lethal to 502 of the test organisms within a defined
time period.

P.  "Limited  Warmwater  Fishery"  means  a stream reach
where  intermittent  flow may severely limit the ability

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                                                              .1
 of  the  reach to sustain a natural fish population on a
 continuous  annual  basis;  or a stream where historical
 data  indicate  that water temperature may exceed 32.2 C     *}
 (90 F).                                                       I

 Q. "Limiting Nutrient" means the nutrient or combination     ?i
 of   nutrients  available  in  minimal  quantities  with
 respect  to  the growth requirements of algae and higher
 aquatic  plants -and  upon  which  the  growth  of these
 organisms is therefore dependent.                             {

 R.  "Marginal  Coldwater  Fishery" means a stream reach,
 lake  or  impoundment  known to support a coldwater fish      !
 population  during  at  least  some portion of the year,      1
 even  though  historical data indicates that the maximum
 temperature  in  the  stream  may frequently exceed 20°C
 (68°F).

 S.  "Milligrams  per  liter  (mg/1)" means milligrams of
 solute  per  liter of solution.,  equivalent to parts per      !
 million  when  the  specific  gravity  of the solution -      '
 1.000.

 T.  "Perennial  stream"  means  a  stream  or reach of a
 stream  that  flows  continuously throughout the year in
 all years;   its upper surface, generally,  is lower than      t
 the water  table  of  the  region adjoining the stream.      I
 Syn:   permanent stream; live stream.

•U.  "Point  source" means any discernible,  confined,  and
 discrete  conveyance from which pollutants  are or may be
 discharged  into  a  water  body,   but   does not include
 return flows from irrigated agriculture.

 V.  "Primary  Contact"  means  any recreational or other
 water   use  in  which  there  is   prolonged and intimate      >
 contact  with  the  water,   such   as  swimming and water
 skiing,   involving  considerable  risk of ingesting water
 in  quantities  sufficient  to pose a significant health
 hazard.

 V.  "Secondary  Contact" means any recreational or other
 water  use |in which contact" with  the  water  may occur and
 in  which  the  probability  of   ingesting  appreciable
 quantities of water is minimal, such  as  fishing,  wading,
 commercial  and  recreational  boating   and  any limited
 seasonal contact.

 X.   "Segment"  means  a water quality standards  segment,
 the surface  waters  of  which  have  common hydrologic      ^
 characteristics  or  flow  regulation  regimes,   possess     ~>
 common   natural    physical,   chemical,   and  biological
 characteristics,    and   exhibit    common  reactions   to
 external stresses,  such as  the discharge  of pollutants.

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7. "TDS" means total dissolved solids.

Z.  "Technology-based controls" means the application of
technology-based  effluent limitations as required under
Section 301(b) of the Clean Water Act.

AA.  "Total Inorganic Nitrogen" means the sum of nitrate
nitrogen, |nitrite nitrogen, and total ammonia nitrogen.

BB.  "Warmwater  Fishery"  means a stream reach, lake or
impoundment   vhere  the  vater  temperature  and  other
characteristics   are   suitable  for  the  (support  of
varmvater   fishes   such  as  large-mouth  black  bass,
small-mouth  black  bass, crappie, vhite bass, bluegill,
flathead catfish, or channel catfish.

CC.  "Water"  means  all  water including water situated
wholly  or  partly  within  or bordering upon the state,
whether  surface or subsurface public or private, except
private waters that do not combine with other surface or
subsurface water.

DD. "Vater contaminant" means any substance which alters
the physical, chemical or biological qualities of water.

EE.   "Watercourse"  means  any  river,  creek,  arroyo,
canyon,  draw,  or  wash,  or  any  other channel having
definite  banks  and  beds  with visible evidence of the
occasional flow of water.  Syn:  stream.

FF.  "Water pollutant" means a water contaminant in such
quantity  and  of  such  duration as may with reasonable
probability  inure human health, animal or plant life or
property,  or  to unreasonably interfere with the public
welfare or the use of property.

GG.   "Water   quality-based  controls"  means  effluent
limitations,  as  provided under Section 301(b)(l)(C) of
the  Clean Water Act, which are developed and imposed on
point-source   dischargers   in  order  to  protect  and
maintain  applicable  water  quality  standards.   These
controls  are  more  stringent than the technology-based
effluent  limitations required under other paragraphs of
Section 301(b).

HE.  Industrial  water  supply, municipal and industrial
water   supply,   livestock   and   wildlife   watering,
irrigation   storage,  municipal  and  industrial  water
storage  are  self  explanatory  and  no definitions are
needed.
             -93-

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        32                                                 '                '
Nev York                (a)  Commissioner  shall  mean   the Commissioner of  the
                        Department of Environmental Conservation.

                        (b)  Administrator  shall mean  the Administrator of  the
                        United States Environmental Protection Agency.

                        (c)  Best  usage  of vaters as  specified for each  class
                       . shall, be  those uses as determined by the commissioner
                        and   the   administrator   in   accordance   vith   the
                        considerations    prescribed    by   the   Environmental
                        Conservation Lav and Public Lav 92-500.

                        (d)  Approved  treatment  as  applied to vater supplies
                        shall  mean  treatnent  accepted as satisfactory by  the
                        authorities   responsible  for   exercising  supervision
                        over the sanitary quality of vater supplies.

                        (e)  Source  of  vater supply for drinking, culinary or
                        food  processing purposes shall mean any source, either
                        public  or  private, the vaters from vhich are used  for
                        domestic  consumption  or  used in connection vith  the
                        processing  of milk, beverages  or foods. (When vater is
                        taken  for public drinking, culinary or food processing
                        purposes,  refer to Nev York State Department of Health
                        regulations 10 NYCKR 170)

                        (f)  Primary contact recreation shall mean recreational
                        activities  vhere  the  human   body  may come in direct
                        contact*  vith  rav  vater to the point of complete body
                        submergence.    Such  uses  include  swimming,  diving,
                        vater skiing, skin diving and surfing.

                        (g)    Secondary    contact   recreation   shall   mean
                        recreational  activities  vhere contact vith the vater
                        is  minimal  and  vhere  ingestion  of the vater is  not
                        probable.    Such uses include,  but are not limited  to,
                        fishing and boating.

                        (h)  Saline  surface vaters shall mean all vaters vhich
                        are so designated by the commissioner.               ,

                        (i)  International  boundary  vaters  shall  mean  those
                        vaters  to  vhich the vater quality standards developed
                        and  adopted  pursuant  to the  Boundary Vater Treaty of
                        1909  and  the    Great Lakes Quality Agreement of 1972
                        apply.

                        (j)  Sevage,  industrial  vaste and other wastes  shall
                        have  the  meanings  given  in   section  17-0105 of  the
                        Environmental Conservation Law.

                        (k)  Estuary shall mean the tidal portion of a river or
                        stream.

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North Carolina
              33
(1)  A  thermal discharge is one which results  or would
result in a temperature change of  the receiving water.

(m)  Heat of artificial origin shall mean all heat  from
other  than  natural sources including, but not limited
to,   cumulative  effects  of  multiple  and  proximate
thermal discharges.

(n)  Coastal  waters  shall  mean   those  marine waters
within  the  territorial limits of  the State other  than
estuaries  and  enclosed  bays.     Long Island  Sound is
designated  as  coastal  waters  for  the  purposes  of
thermal discharges.

(o)  Enclosed  bays  shall  mean   those  marine waters
within  the territorial limits of New York State, other
than  coastal waters or estuaries,  in which exchange of
sea  water is severely limited by barrier beaches.  For
the  purposes  of thermal discharges, the following are
designated  as  enclosed  bays:  Jamaica Bay, Hempstead
Bay,  Great South Bay, Moriches Bay, Shinnecock Bay and
Mecox Bay.

(1)  Source  of water supply for drinking, culinary, or
food-processing  purposes shall mean any source, either
public  or  private, the waters from which are  used for
human  consumption,  or  used  in   connection   with the
processing  of milk, beverages, food, or other  purposes
which  require  water  meeting  the maximum contaminant
levels  promulgated  by  the  Environmental  Protection
Agency  pursuant  to  the Public Health Service Act, 42
U.S.C.  201  et  seq.,  as amended  by the Safe  Drinking
Water Act, 42, U.S.C. 300 (f) et seq.

(2)  Approved  treatment, as applied to water supplies,
means  treatment accepted as satisfactory by the health
authorities   responsible  for  exercising  supervision
over the sanitary quality of water supplies.

(3)  Primary  recreation  shall  include swimming, skin
diving,  skiing,  and similar uses  involving human body
contact  with water where such activities take  place in
an organized or on a frequent basis.

(4)   Secondary   recreation   shall   include  wading,
boating,   other  uses  not involving human body contact
with   water,    and  activities  involving  human  body
contact  with water where such activities take  place on
an infrequent, unorganized,  or incidental basis.

(5)  Fishing  shall include the propagation of  fish and
other  such  aquatic  life as is necessary to provide a
suitable environment for fish.

             -95-

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(6)  Shellfish  culture shall include the use of waters
for  the propagation, storage and gathering of oysters,      1
clams, and other shellfish for market purposes.               I

(7)  Agricultural  shall  include the use of waters for      ~\
stock  watering,  irrigation,  and  other farm purposes       j
but  not  as  sources  of  water  supply  for drinking,
culinary, or food-processing purposes.

(8)  Waste disposal shall include the use of waters for
the  disposal  of  sewage,  industrial  waste, or other
waste after approved treatment.                               I

(9)  Tidal  Salt  Waters  shall  mean  all tidal waters
which   are   so   designated   by   the  Environmental       \
Management   commission  and  which  generally  have  a       {
natural  chloride  ion  content  in excess of 500 parts
per million.

(10)  Swamp Waters shall mean those waters which are so
designated  by  the Environmental Management Commission
and   which   are  topographically  located  so  as  to
generally  have  very  low velocities and certain other
characteristics   which  are  different  from  adjacent
streams draining steeper topography.                          \

(II)  Offensive  conditions  shall be construed to mean
and  include any.condition or conditions resulting from
the  presence  of  sewage,  industrial wastes, or other
wastes  within  the  waters  of  the state of along the       '
shorelines  thereof  which  shall  either  directly  or
indirectly  cause  foul  or  noxious  odors,  unsightly
conditions,  or breeding of abnormally large quantities
of  mosquitoes  or  other insect pests,  or shall damage
private  or  public water supplies or other structures,       j
result  in  the  development  of gases which destroy or       I
damage  surrounding  property,  herbage  or grasses, or
which  shall  affect  the health of any person residing
or working in the area.
                                                     I
(12)  Mountain and upper piedmont waters shall mean all
the   waters   of   the   Hiwassee;  Little  Tennessee,       |
including  the  Savannah  River  Drainage  Area; French       j
Broad,  Broad,  New  and  Watauga River Basin and those
portions  of  the  Catawba  River  Basin  above Lookout       >
Shoals  Dam  and  Che  Yadkin  River  Basin  above  the
junction of the Forsyth, Yadkin and Davie County lines.

(13)  Lower  piedmont  and  coastal  plain waters shall       i
mean  those  waters  of  the  Catawba River Basin below      -'
Lookout  Shoals  Dam;  the Yadkin River Basin below the
junction  of  the  Forsyth,  Yadkin,  and  Davie county       1
lines   and  all  Che  waters  of  Cape  Fear;  Lumber;       i

             -96-

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Roanoke:  Neuse;  Tar-Pamlico;  Chowan; Pasquotank;  and
White  Oak River Basins, except tidal salt waters vhich
are assigned  "S" classifications.

(14)  Estuarine  Waters  shall  mean  those   tidal salt
waters assigned "Sw classifications.

(15)  B.est  usage of waters as specified  for  each class
shall- be those uses as determined by the Environmental
Management    Commission   in   accordance    with    the
provisions    of  "Article   21,  Chapter  143,  General
Statutes of North Carolina, as amended.

(16)  Parts   per  million and parts per billion as used
herein  shall be construed to mean milligrams per liter
(mg/1),  and  micrograms per liter (ug/1), respectively,
as  defined   in the latest edition of "Standard Methods
for   the   Examination   of   Water  and Wastewater,"
published  by the  American Public Health Association,
American  Water  Works Association, and Water Pollution
Control Federation.

(17)  Present waste treatment technology  shall mean  for
industrial    wastewaters   "Best  Available  Technology
Economically  Available,"  or  "New  Source Performance
Standards"    if   applicable  and  more   stringent,  as
published  in  the Federal Register.  Where such limits
have  not  been  published  or  adopted   they  shall be
established   in  accordance  with 15 NCAC 2B  .0405 (c).
For  municipal  wastewater and other similar discharges
greater   than  15,000  gpd,  present  waste  treatment
technology  shall  be  defined,  for  oxygen  consuming
wastes, as follows:

Ammonia  Nitrogen  2.0  mg/1  monthly average; 3.0 mg/1
weekly average

BOD 5.0 mg/1 monthly average; 7.5 mg/1 weekly average

For  municipal  wastewater and other similar discharges
equal  to  or  less  than  15,000  gpd,    present  waste
treatment  technology  shall  be  defined,  for  oxygen
consuming wastes,  as follows:

BOD 30 mg/1 monthly average; 45 mg/1 weekly average

(18)  96-hour  LC50 shall mean that concentrations of a
toxicant  which  is lethal (fatal) to 50  percent of  the
organisms  tested under the test conditions in a period
of  96 hours.  The 96-hour LC50 concentration for toxic
materials   shall   be   determined   for  a  sensitive
indigenous  species  in water conditions  characteristic
of  the  receiving  waters  by  a  review  of  existing
experimental  data  or,  if  deemed  necessary,  by  the

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                         director   of  the division,  by  bioassays  conducted  by  or      )
                         in  cooperation with  the division.

                          (a)  Be   contained   entirely   on   property   owned  (or      I
                         controlled by  easement)   by   the   discharger   (to   be
                         demonstrated  by the  discharger).
                          (b)  . Not  contain  natural  waters  except  when   such
                        waters  occur   in direct  response  to rainfall events  by
                        ov«»rlanrJ -mmnff-
                          (c)  Be  so  constructed  or  modified  to minimize  the
                        migration of fish into said channel.

                        Effluent  channels  shall  be  identified and designated
                        on a case-by-case basis prior  to permit  issuance.

                        (20)  Division shall mean  the  Division of Environmental
                        Management or its successors.
            3/
North Dakota            02.201  Water  Usage  -  The   best usage for the waters
                        shall   be   those  uses   determined  to be   the  most
                        consistent   with   present    and   potential  uses   in
                        accordance  with the economic  and social development  of
                        the  area.    Present  principal  best   uses   are  those
                        defined  in  parts  1, 2,  3, and 4, of this Section  but      I
                        are  not to be construed to be the only  possible usages   -  J
                        permitted.

                        (1)  Recreation, Fishing and Wildlife -  Waters that are      {
                        suitable  for  the  propagation  and/or  support of fish
                        and  other aquatic life; that  will not adversely affect
                        wildlife  in the area; and are suitable  for boating and      j
                        swimming.*                         .                          '

                        ^Natural  high  turbidities in some waters and physical      I
                        characteristics  of  banks and  stream  beds  of  many      I
                        streams   are  factors  that   limit  their  values   for
                        bathing.    Low  flows or  natural physical and chemical      \
                        conditions  in  some  waters   may limit  their  value  for
                        fish propagation or aquatic life.

                        (2)  Municipal  and  Domestic  Water  -  Waters that are      |
                        suitable  for  use  as  a  source  of  water supply  for      J
                        drinking  and  culinary  purposes  after treatment to a
                        level approved by the State Health Department.               j

                        (3)  Industrial  Water  -  Waters that are suitable  for
                        industrial  purposes,  including food processing, after      i
                        treatment.    Treatment  may include that necessary  for      \
                        prevention of boiler scale and corrosion.

                        (4)  Agricultural Uses - Water suitable  for irrigation,      1

                                     -98-

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                         stock  watering,   and   other agricultural  uses,  but  not
                         suitable   for  use as  a source  of.domestic  supply  for
                         the  farm unless satisfactory treatment  is  provided.

                         02.202   Pollution  -   Pollution    shall   mean  such
                         contamination;  or other  alteration  of  the physical,
                         chemical,  or  biological  properties,  of  any waters of
                         the  State,  including  change  in   temperature, taste,
                         color,  turbidity,  or  odor  of  the  waters;   or such
                         discharge  of  any liquid, gaseous,  solid, radioactive,
                         or  other  substance  into  any   waters of the State as
                         will  or   is likely to  create a nuisance or render such
                         waters  harmful,   detrimental,  or   injurious  to public
                         health,    safety,   or   welfare,    or   to    domestic,
                         commercial,  industrial, agricultural,  recreational,  or
                         other  legitimate  beneficial  uses,  or   to  livestock,
                         wild animals, birds, fish, or other  aquatic life.
Ohio                    45-1-02  DEFINITIONS
                        (A) "Act"  means  the  federal  Water Pollution Control.
                            Act, as amended, 33 U.S.C. 1251 et seq.

                        (B) "Ambient   water  temperature"  means  the  spatial
                            (longitudinal,  lateral  and vertical) and temporal
                            water  temperature  measured  in the receiving body
                            of  water prior to a specific waste-heat discharge,
                            and  is outside the influence of any thermal mixing
                            zone.

                        (C) "Application  factor" means a numerical value which
                            modifies  the LC5Q or other bioassay test and point
                            to   take   into   account   population  condition,
                            duration,  or end point differences.  When the test
                            and  point  is  modified by the application factor,
                            it  provides  the  concentration  of an effluent or
                            toxic  substance  that  would  be  safe for aquatic
                            organisms  in  the waters of the State for the long
                            term.

                        (D) "Average  temperature"  represents  the  arithmetic
                            mean  of multiple daily average temperatures over' a
                            consecutive 15- or 30-day period.

                        (E) "°C" means degrees(s) Celsius.

                        (F) "Coldwater  fish"  means those species of fish that
                            thrive  in  relatively  cold  water.  These species
                            include,   but  are  not  limited  to,   salmon trout
                            (Salmonidae),  and may include sculpins (Cottidae),
                            and certain minnow (Cyrpinidae)  species.

                        (G) "Comprehensive  Water Quality Report"  means the use
                            attainability   analysis   performed  by  the  Ohio
                            Environmental   Protection   Agency  that  includes

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    biological  and  chemical  water quality surveys of      )
    surface  waters  of the State, wasteload allocation
   . modeling,  and  social and economic analyses of the
    impact of pollution control.                             I

(H) "Confluence" , means  the  point  where  two or more
    bodies of water flow together.                          *\

(I) "Criteria"   mean   elements   of   Water   Quality
    Standards,       expressed      as      constituent
    concentrations,  levels,  or  narrative statements,
    representing  a  quality  of  water that supports a
    particular designated use.

(J) "Daily  average  temperature"  means the arithmetic      '
    mean  of  multiple  temperature  measurements to be
    taken at least once per hour during a 24-hour day.       ]

(K) "Degradation"  means  a  lowering  of  the existing
    water quality in the surface waters of the State.

(L) "Designated  use" means a use of the surface waters
    of  the  State,  established  by  the Water Quality
    Standards,  Chapter  3745-1  of  the Administrative
    Code.

(M) "Director"   means   the   Director   of  the  Ohio      ]
    Environmental Protection Agency.                         j

(N) "Discharge"  means the addition of any pollutant to      ,
    the waters of the State from a point source.

(0) "Disease"  means  a  condition  which  results in a
    deviation  of  the  body  of  an  organism from its      I
    normal or healthy state.                                 I

(P) "Dynamic  bioassay"  means  a  determination of the      [
    biological   effect   of  a  substance,   factor  or      )
    condition  through  the  use of living organisms or
    cells    as   the   indicator   in   a   continuous
    flow-through system.

(Q) "Estuary"   means   the  section  of  a  Lake  Erie
    tributary  near  the mouth where tributary and Lake      |
    Erie  waters  mix.     This area is characterized by     J
    flow   reversals   and  seiche  influences  and  is
    generally  located  between the farthest downstream      j
    riffle  of the tributary and Lake Erie proper.  All     J
    tributaries   of   estuaries  shall  be  considered
    estuaries  below  the  Lake  Erie  mean  high water      i
    level.                                                   I
                                                            _i
(R) "Endangered  species"  means  those aquatic species
    of  the  State's  biota  which  are threatened with      1

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     statewide  extirpation  or  national extinction, as
     listed  in Rule 1501:31-23-01 of the Administrative
     Code or 50 CFR Part 17.

 (S) "°F" means degree(s) Fahrenheit.

 (T) "Fecal  coliform" means the portion of the coliform
     group   of   bacteria   which  is  present  in  the
     intestinal  tract  of  varm-blooded animals, and is
     evidence of the presence of human or animal wastes.

 (U) "Geometric  mean" means the Nth root of the product
     of N quantities.

 (V) "Lake  Erie  fish" means those species of fish that
     inhabit  Lake Erie.  These species include, but are
     not   limited   to,  bass,  crappies,  and  sunfish
     (Centrarehidae),   catfish  (Ictaluridae),  suckers
     (Catostomidae),  minnows  (Cyprinidae),  and perch,
     walleye and darters (Percidae).

 00 "LC50"  means  the  median lethal concentration and
     means  the  concentration  of  a test material in a
     suitable   diluent  at  which  50  percent  of  the
     exposed  organisms  die  in  a  specified period of
     exposure.   LC5Q is often used interchangeably with
     median  tolerance  limit  (TL ), which measures the
     concentration  at  which  50 percent of the exposed
     organisms survive.

 (X) "Limited"  means  a  designated  use  for  a stream
     which  is  not attaining its potential aquatic life
     use.

 (7) ."Long-term   avoidance"   means  the  permanent  or
     prolonged  avoidance  by a species population of an
     area  or  habitat  that  was  formerly inhabited by
     that   species   population,   but   is  absent  or
     significantly  reduced  in density and biomass as a
     result   of   permanent   limiting  or  unfavorable
     environmental conditions.

 (Z) "Maximum   daily  temperature"  means  the  highest
     temperature observed in a 24-hour day.

(AA) "MF" means membrane filter.

(BB) "Micrograms  per  liter  ug/1" means the micrograms
     of  substance  per liter of solution, and is 1/1000
     of a milligram per liter.

(CC) "Milligrams   per   kilogram   (rag/kg)"  means  the
     milligrams of substance per kilogram of weight.
              -101-

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                                                               1
 (DD) "Milligrams  per liter  (mg/1)" means  the milligrams       '
     of   substance   per  liter  of  solution,   and   is
     equivalent   to  parts   per  million,  assuming unit      ~]
     density.                                                  /

 (EE) "Mine   drainage"   means  surface  or  groundyater      *\
     flowing   through  or from mines  and mine sites.   It       1
     is   usually characterized  by  concentrations   of       '
•••••-- acidity  - or  alkalinity,  various   heavy   metals,
     sulfates, and dissolved solids.

 (FF) "Mixing   zone"  means   an  area  of   a  water  body
     contiguous   to  a   treated  or untreated wastewater       I
     discharge.     The  discharge  is  in  transit   and       /
     progressively   diluted from  the  source   to   the
     receiving system.    The  mixing  zone should   be       \
     considered   a  place where wastewater and receiving
     water  mix   and  not  as  a  place where wastes  are
     treated.

 (GG) "MPN" means  most probably number.

 (HE) "Natural  conditions"   mean  those  conditions that
     are   measured   outside  the  influence  of man's
     activities.

 (II) "New  source"  means  any  point source  for which
     construction is commenced after  January 1,  1985.

 (JJ) "Non-persistent  toxicant"  means a toxic substance       )
     with  a   half-life  less  than   8  weeks,   that   is       )
     readily   degraded   in   an  aquatic system,  and does
     not  have a tendency  to bioaccumulate, biomagnify       j
     or bioconcentrate in organisms.                           ]

 (KK) "Nonpoint source"  means any sources of pollutants       .
     other than those defined as point sources.                I

 (LL) "Nursery  areas" mean regions in a water body where
     young   or   newly   hatched   organisms  occur   in       I
     relatively   higher  concentrations than surrounding       I
     areas.

 (MM) "Persistent  toxicant"  means one which either:  (1)       j
     by  itself   or as its toxic transformation  product,
     has  a  half-life   for  degradation   under   natural       ,
     environmental  conditions  of more than 8 weeks,  or
     (2)  by   itself  or as its  toxic   transformation      -*J
     product,   upon   entering   surface    waters    may
     biomagnify,    bioconcentrate    or   bioaccumulate       |
     through   successive  trophic levels in  the  biota of       J
     the receiving water.
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(NN) npH"  means  the negative logarithm of the hydrogen
     ion   activity  concentrations  vhen  expressed  as
     moles per liter or pH - -log (H+).

(00) "Point  source"  means any discernible, confined or
     discrete  conveyance  from  which a pollutant is or
     may  be  discharged  to  the  surface waters of the
     State.

(PP) "Pollutant"   means  sewage,  industrial  vaste  or
     other  waste  as defined by divisions (B) to (D) of
     Section 6111.01 of the Revised Code.

(QQ) "Receiving  waters"  mean the surface waters of the
     State into which point and nonpoint sources flow.

(RR) "Representative   aquatic   species"   mean   those
     organisms,  either  natural  or  introduced,  which
     presently  exist  or  have  existed  in the surface
     waters  of  the  State  prior to July 1, 1977, with
     the  exception  of those banned species outlined in
     Rule  1501:31-19-01 of the Administrative Code.  In
     addition,  it  may  include  any  species  that are
     legally  introduced  into the surface waters of the
     State.    Aquatic species designated as representa-
     tive shall satisfy one or more of the following:
     (1) Species  which  are  particularly vulnerable to
         the  existing  or proposed environmental impact
         in question;

     (2) Species     which     are    commercially    or
         recreationally valuable;

     (3) Species   which   are   threatened,   rare,  or
         endangered;

     (4) Species  which  are  critical  to the structure
         and function of the aquatic community;

     (5) Species  whose  presence is causally related to
         the  existing  or proposed environmental impact
         under examination;

     (6) Species   that   are   potentially  capable  of
         becoming localized nuisance species;

     (7) Species   that   are   representative   of  the
         ecological,   behavioral,   and   physiological
         requirements  and  characteristics  of  species
         determined  in paragraphs (RR)(1) to (RR)(6) of
         this  rule,  but  which  themselves  may not be
         representative; or

              -103-

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                                                              )
     (8) Species  that  the Director may designate for a     -]
         specific   water   body   of  the  State  which      j
         includes,   but   are  not  limited  to,  those
         species  listed  in  Table 11 of Rule 3745-1-07
         of the Administrative Code.               '           [

(SS) ^Seven-day, .. ten^year  low  flow  (7Q10)" means the
     minimum  flow  of a stream over a consecutive 7-day      j
     flow  period  which  has a statistical frequency of      i
     recurrence  of  once  in 10 years, based on methods
     presented  in  "Low^-Flow  Characteristics  of  Ohio      ;
     Streams,"  O.P.  Johnson and K.D. Metzker, U.S.G.S.      '
     Report 81-1195, Columbus, Ohio, 1981.

(XT) "Spawning  areas"  mean  regions  in  a water body,      j
     such  as  reefs, marshes, wetlands,  backwaters,  and      •
     riffles  where  fish  or  other  aquatic  organisms
     spawn  or breed in relatively higher concentrations      j
     than surrounding areas.                                  j

(UU) "Static  bioassay"  means  a  determination  of the      ,
     biological   effect   of  a  substance,  factor  or
     condition  employing  living  organisms or cells as
     the  indicator.  In a static system, -test organisms
     remain  in the same test medium for the duration of
     the test.                                             _  '

(W) "Surface  waters  of  the  State" or "watercourses"      j
     mean   all   streams,   publicly  owned  lakes  and      j
     reservoirs,   ponds,  marshes,  wetlands  or  other
     waterways  which  are  situated wholly or partially      .
     within  the  boundaries  of the State, except those      I
     private  waters  which  do  not combine or effect a
     junction  with  natural  surface  waters.    Waters
     defined  as  sewerage  system,  treatment  works or      (
     disposal  system  in Section 6111.01 of the Revised      '
     Code are not included.

(W) "Thermal  mixing  zone"  means  that  portion  of, a      |
     water  body into which waste heat is discharged and
     assimilated,  and  within  which  the  average  and      i
     maximum  daily  average  temperatures do not apply,      1
     except as prescribed by these Rules.                     -''

(XX) "Toxic  substances"  mean  any substances which can      1
     cause  death,  disease,  behavioral  abnormalities,     -J
     cancer,   genetic   mutations,   physiological   or
     reproductive  malfunction  or  physical deformities      }
     in  any  organism  or  its  offspring, or which can      >
     become  poisonous  after  concentration in the food
     chain or in combination with other substances.           i
              -104-

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                       (YY) "Tributary"  means
                            body of vater.
                        a  stream floving into a larger
                       (ZZ) "Use  attainability  analysis"  means  a structured
                            scientific  assessment of the factors affecting the
                            attainment  of  the use vhich may include physical,
                            chemical, biological, and economic factors.

                      (AAA) "Warmvater  fish"  means those species of fish that
                            inhabit  relatively  warm  vater.    These  species
                            include,  but  are  not  limited to, bass, crappies
                            and    sunfish    (Centrarchidae),    and   catfish
                            (Ictaluridae),  and  may  include  certain  suckers
                            (Catostomidae),  minnows  (Cyprinidae),  and  perch
                            and darter (Percidae) species.

                      (BBB) "Waste   heat   discharge"  means  a  point  source
                            discharge  through  which  excess  heat is rejected
                            into the surface waters of the State.

                      (CCC) "Vater  Quality  Standards"  means  the  Rules  set
                            forth  in Chapter 3745-1 of the Administrative Code
                            establishing  stream  use  designations  and  water
                            quality  criteria  protective  of such uses for the
                            surface waters of the State.

                      (ODD) "Wetlands"  mean  areas  of  land  where  the water
                            table  is  at,  near or above the land surface long
                            enough  each  year  to  result  in the formation of
                            characteristically  wet  (hydric)  soil  types, and
                            support    the    growth    of    water   dependent
                            (hydrophytic)  vegetation.    Wetlands include, but
                            are  not  limited  to,  marshes,  swamps, bogs, and
                            other such low-lying areas.
Oklahoma
        36
Abatement  -
pollution.
Reduction  of  the degree or intensity of
                        Allowable  load - For perennial streams - the allowable
                        load  for oxygen demanding substances shall be based on
                        attaining  an instream D.O. of 5.0 mg/1 for warm waters
                        and  6.0 mg/1 for those waters designated as smallmouth
                        bass  or  trout  fisheries, at and above the seven-day,
                        two-year low flow value.

                        For  intermittent  streams  - the allowable loading for
                        oxygen   demanding   substances   shall   be  based  on
                        attaining  an  instream  D.O.  of 5.0 mg/1 at and above
                        1.0 cfs.

                        Alpha  particle - A positively charged particle emitted
                        by  certain  radioactive  materials.  It  is  the least

                                     -105-

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penetrating  of three common types of radiation (alpha,
beta  and  gamma)  and  usually  is  not  dangerous  to
plants, animals, or humans.

Anti-degradation  clause - A provision in water quality
lavs  that  prohibits deterioration of water quality in
areas  where pollution levels are presently below those
allowed.

Assimilative  capacity  -  The  amount  of  pollution a
stream  can receive and still rpcover without permanent
damage or alteration of beneficial uses.

Benthic  macroinvertebrates - Invertebrate animals that
are  large enough to be seen by the unaided eye and can
be  retained  by a U.S. Standard No. 30 sieve, and live
at  least  part  of  their  life  cycles within or upon
available  substrates  in  a  body  of  water  or water
transport system.

Beta   particle   -  A  negatively  charged  elementary
particle  emitted  by  radioactive decay that may cause
skin  burns.    It is easily stopped by a thin sheet of
metal.

Carcinogenic - Cancer producing.

Coliform  group  organisms (total coliform organisms) -
All   of   the   aerobic   and   facultative  anaerobic
gram-negative,  non-spore-forming  rod  shaped bacteria
that  ferment  lactose  broth with gas formation within
48 hours at 35°C.

Color  -  Color as used herein means true color as well
as  apparent  color.    True  color is the color of the
water  from  which turbidity has been removed. Apparent      f
color  includes not only the color due to substances in      )
solution  (true  color),  but  also  that  color due to
suspended matter.                                      .      >

                  :•          •                                 )
Conservative  element  -  A substance which persists in
the   environment,  having  characteristics  which  are
resistant to ordinary biological degradation.                1
                  ;                                           »
Dissolved  oxygen (DO) - The amount of oxygen dissolved
in  water  at  any given time, depending upon the water      ')
temperature,  the  partial  pressure  of  oxygen in the      j
atmosphere    .in    contact   with   the   water,   the
concentration  of dissolved salts in the water, and the      j
physical aeration of the water.                              ',

Epilimnion  -  The  uppermost  homothermal  region of a
stratified lake.
             -106-

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Eutrophication  (natural)  -  The  normally  slow aging
process  by  which  a  lake evolves into a bog or marsh
and  ultimately  assumes  a  terrestrial  state. During
eutrophication  the  lake  becomes so rich in nutritive
compounds  (especially  nitrogen  and  phosphorus)  that
algae   and   other   microscopic   plant  life  become
superabundant,  thereby "choking" the lake, and causing
the lake to advance in serai stages.

Fecal  coliform  -  A  group of organisms common to  the
intestinal  tracts of man and of animals.  The presence
of  fecal coliform bacteria in water is an indicator of
pollution   and   of  potentially  dangerous  bacterial
contamination.

Geometric mean - G  - n B, X B. X ... B
                  m      1    z        n

Where:  n  «.  number  of samples and ,B  * the bacterial
count for n   sample..

Intermittent  stream  -  A  stream or reach of a stream
that  flows only at certain times of the year.  In such
streams  the  runoff from the watershed is smaller than
the  ground  evaporation  and  seepage  losses  in   the
ground.

Nephelometric  turbidity  (unit  NTU)  - This method is
based  upon  a  comparison  of  the  intensity of light
scattered  by  the sample under defined conditions vith
the   intensity   of  light  scattered  by  a  standard
reference   suspension  (formazin).    The  higher  the
intensity   of   scattered   light,   the   higher  the
turbidity.      Readings   in   NTU's   are  considered
comparable   to   the   previously   reported   Jackson
Turbidity Units (JTU).

Non-conservative  element - A substance which undergoes
degradation  or  change  in  the environment other than
dilution.
                                                      t
Nonpoint  source - A source of pollution without a well
defined point of origin.

Nutrients  -  Elements  of  compounds  essential as raw
materials  for  organisms growth and development; these
include carbon, oxygen, nitrogen and phosphorus.

Polychlorinated  biphenyls  (PCB's)  -  Polychlorinated
biphenyls,  a group of organic compounds (206 possible)
which  is constructed of two phenyl rings and more than
one  chlorine  atom.-    PCB's are used as an electrical
insulating  fluid  in  capacitors and transformers, and
in the manufacture of plastics.
             -107-

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Perennial  streams - A stream or reach of a stream that .
flows  continuously  throughout  the year either due to      ,\
watershed 'runoff  or  to inflow of the ground water to      I
the stream.

Picocurie   (pCi)   -   That  quantity  of  radioactive      1
material  producing  2.22  nuclear  transformations per      '
minute.

Point  source  - Any discernible, confined and discrete      |
conveyance,   including,  but  not limited to, any pipe,
ditch,   channel,   tunnel,   well,  discrete  fissure,      >
container,   rolling   stock   or  concentrated  animal      1
feeding  operation  from which pollutants are or may be      '
discharged.     This  term does not include return flows
from irrigated agriculture.

Pollution  -  Contamination  or other alteration of the
physical,  chemical  or  biological  properties  of any
natural  waters  of the State, or such discharge of any
liquid,  gaseous  or solid substance into any waters of
the  State as will or is likely to create a nuisance or
render  such waters harmful or detrimental or injurious
to  public  health,  safety or welfare, or to domestic,
commercial,   industrial, agricultural, recreational, or
other  legitimate  beneficial  uses,  or  to livestock,
wild  animals,  birds,  fish or other aquatic life. (82
O.S. Supp. 1976 ss926.1 (1))

Salinity - The degree of salt in water.

Sample  standard  -  The  arithmetic mean of historical
data plus two standard deviations of the mean.

Seven-day,  two-year  low  flow - A seven-day, two-year
low   flow   is   specified  as  the  design  flow  for
determining  allowable discharge load to a stream.  The
flow  is  calculated  as  a  moving  average  of  seven
consecutive  days  for  each  year  in  a given record.
These   seven-day   low   flow  values  are  ranked  'in
ascending  order.    An  order number (m) is calculated
based  upon  the  number  of  years  record  (n), with  a
recurrence  interval  (R) of two years, as m » (n-l)/R,
where  R  « two years. A value of flow corresponding to
the  m    order is taken as the seven-day, two-year low
flow for that historical data.

Standard  deviation  -  A  statistical  measure  of the
dispersion around the arithmetic mean of the data.
             -108-

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Similarity index -

        Where:
S-2C/A+B  A - No. of species in  the sample at
                                   upstream station

                                   B  =  No  of species
in the sample at
                                   downstream station

                                   C  »  No  of species
common to both A and B

Synergistic   effect   -   Indicates  the  presence  of
cooperative   pollutant  action  such  that  the   total
effect  is  greater than the sum of the effects of each
pollutant taken individually.

LC50  -  Lethal  Concentration - the concentration of a
toxicant  in an external medium  that is lethal to fifty
percent  of  the test animals for a specified period of
exposure.

Thermal  pollution  -  Degradation  of water quality by
the   introduction  of  heated  effluent.-  Primarily  a
result  of  the  discharge  of   the cooling waters from
industrial   processes   particularly  from  electrical
power generation.

Thermal   stratification   -   Horizontal   layers   of
different   densities   produced   in  a  lake  due  to
temperature.

Wastes   -  Industrial  waste  and  all  other  liquid,
gaseous  or  solid substances which may pollute or tend
to  pollute  any  waters  of  the State. (82 O.S.  Supp.
1976, ss926.1 (2))

Waters  of  the  State  -  All  streams,  lakes, ponds,
marshes,   watercourses,   waterways,  wells,   springs,
irrigation  systems,  drainage  systems,  and all other
bodies   or   accumulations   of   water,  surface  and
underground,  natural or artificial, public or private,
which  are  contained  within,   flow through,  or border
upon   this   State  or  any  portion  thereof,  except
privately  owned  reservoirs  used  in  the  process of
cooling  water  for  industrial purposes, provided that
water  released  from  any such reservoir into a stream
system  of  the State shall be and become waters of the
State. (82 O.S. supp.   1976, ss926.1 (6)).

Yearly   mean   standard   -  The  arithmetic  mean  of
historical  data  plus  one  standard  deviation of the
mean.

             -109-

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Oregon37                Applicable   to  all  basins  unless  context  requires      ,
                        otherwise:                                                    I

                        A. "BOD" means 5-day 20°C. Biochemical Oxygen Demand.

                                                                                     1
                        B.   "DEQ"  or  "Department"  means   the  Oregon  State       }
                       •Department of Environmental Quality.

                        C. "DO" means Dissolved Oxygen.                               [

                        D.  "EQC"  means the Oregon State Environmental Quality
                        Commission.                                                   1

                        E.   "Estuarine  waters"  means  all  mixed  fresh  and
                        oceanic  waters  in estuaries or bays from the point  of       j
                        oceanic  water  intrusion  inland   to a line connecting       (
                        the  outermost  points  of  the headlands or protective
                        jetties.                                                      1

                        F.   "Industrial  waste"  means  any  liquid,  gaseous,
                        radioactive  or  solid waste substance or a combination
                        thereof    resulting   from  any  process  of  industry,       (
                        manufacturing,   trade   or   business,   or  from   the •
                        development or recovery of any natural resources.

                        G.   "Marine  waters" means all oceanic, offshore  waters       1
                        outside    of   estuaries   or  l bays   and  within   the
                        territorial limits of  the  State 'of  Oregon.                    \

                        H.  "mg/1"  means milligrams per liter.

                        I.    "Pollution"   means   such  contamination  or   other
                        alteration of   the   physical,   chemical  or  biological
                        properties of  any   waters  of   the   state,   including
                        change  in  temperature,   taste,  color,  turbidity,  silt
                        or  odor  of   the  waters, or  such  radioactive  or other
                        substance  into any  waters of  the state  which either by
                        itself  or  in   connection  with  any  other   substance
                        present,  will   or can reasonably be  expected to crea,te
                        a  public  nuisance   or  render   such  waters  harmful,
                        detrimental  or  injurious  to public health,  safety or
                        welfare,   or   to  domestic,   commercial,   industrial,
                         agricultural,     recreational    or   other   legitimate
                         beneficial  uses   or  to  livestock,   wildlife,  fish or
                         other aquatic life or the habitat thereof.

                         J.  "Public  water"   means  the  same as "waters of  the
                         state".            .                                           )

                         K.  "Sewage"  means  the  water-carried human or animal
                         waste    from    residences,    buildings,    industrial
                         establishments  01:  other  places  together  with  such      \
                         groundwater  infiltration  and  surface water as may be      '

                                      -110»                                            I

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                        present.    The admixture with sewage as herein  defined
                        of   industrial   wastes   or  wastes,  as   defined   in
                        subsections   (F)  and   (M) of this sections,  shall also
                        be  considered  "sewage"  within  the  meaning   of this
                        division.

                        L. "SS" means Suspended Solids.

                        M.  "Wastes"  means  sewage, industrial wastes,  and  all
                      ---•other--liquid, -gaseous, -solid,  radioactive, or other
                        substances  which  will  or may cause pollution  or tend
                        to cause pollution of any water of the state.

                        N.  "Vaters  of  the state" include lakes, bays, ponds,
                        impounding    reservoirs,   springs,   wells,    rivers,
                        streams,  creeks,  estuaries,  marshes, inlets,  canals,
                        the  Pacific Ocean within the territorial limits of  the
                        State  of  Oregon  and  all  other bodies of  surface  or
                        underground  waters,  natural  or artificial, inland  or
                        coastal,  fresh  or  salt,  public  or  private  (except
                        those  private  waters which do not combine or effect a
                        junction  with  natural surface or underground waters),
                        which  are  wholly or partially within or bordering  the
                        state or within its jurisdiction.

                        0.  "Low  Flow  Period" 'means  the  flows  in a stream
                        resulting   from  primarily  groundwater  discharge   or
                        baseflows  augmented  from  lakes  and storage projects
                        during  the  driest period of the year. The dry weather
                        period  varies  across  the  state according  to climate
                        and   topography.  Wherever  the  Low  Flow   Period   is
                        indicated  in  the Water Quality Management Plans, this
                        period  has  been approximated by the inclusive months.
                        Where  applicable  in a waste discharge permit,  the Low
                        Flow Period may be further defined.

                        P.  "Secondary  Treatment  as the following context may
                        require for:

                          1.   "Sewage  wastes"  means  the  minimum  level   of
                        treatment  mandated  by  EPA  regulations  pursuant   to
                        Public Law 92-500.

                          2.   "Industrial   and  other  waste  sources"  imply
                        control equivalent to Best Practicable Treatment (BPT).
            38
Pennsylvania            Ambient   stream   concentration   -   The    range    in
                        concentration  or  level  of  a water quality parameter
                        which  would  be  expected  to  occur in the  absence  of
                        human  activities.  The  value  is  normally  determined
                        from  quality  measurements  of  waters  that  are  not
                        affected by waste discharges or other human activities.
                                     -Ill-

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Ambient   temperature  -  The   temperature  of  the vater
body  upstream  or outside of  the influence of a heated
vaste  discharge  or  vaste  discharge  complex.    The
ambient     temperature   sampling   point   should    be
unaffected  by any sources of vaste heat.

Application  factor   -   The  ratio   of    the   safe
•concentration   to  the 96-hour LC50 concentration vhich
is  assumed to be  constant  for  related  groups  of
chemicals  and  is multiplied  by an LC50 value in order
to  produce the  estimated  safe  concentration  of   a
pollutant  necessary to protect the balanced indigenous
community in the receiving body of vater.

Balanced  indigenous  aquatic  community   -  A group  of
populations occupying  a common area vhich consists  of
desirable  species   of  fish,  shellfish,  and  other
vildlife,  including  the biota of other trophic levels
vhich  are  necessary  as  part  of  the   food chain  or
otherwise  ecologically important  to the maintenance  of
these populations.

Carcinogenic -  Producing cancer.

Clean  Streams  Lav - The Clean Streams Lav  (35  P.S.  ss
ss  691.1-691.1001).

Clean Vater Act - 33 U.S.C.  ss 1251 et  seq.

Cumulative  pollutant - A pollutant vhich  is measurably
increased  in   concentration  vithin  aquatic  organisms
relative  to concentrations  in  the  receiving vaters.

Daily   average  -    the   arithmetic   average  of   all
determinations  made during  a calendar month.

Daily  determination  -  The  arithmetic average of all
determinations  made during  a 24-hour period.

Department  - The Department of Environmental  Resources
of  the Commonvealth.

Effluent   limits   -   Any  restriction  established by the
Department   on  quantities,  rates,  and  concentrations of
pollutants  vhich,  are   discharged  into   the  vaters of
 this Commonvealth.

Epilimnion   -   Warm  upper  layer  of   nearly  uniform
 temperature  in  a  stratified body of  water,  such as a
 lake or   impoundment.

Existing  potable  vater  supply  -  A  source of vater
 supply  vhich  is  presently being used by humans after
              -112-

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conventional   treatment  for  drinking,  culinary' and
other purposes, such as inclusion in food products.

Existing   sensitive   industrial  vater  supply  -  An
existing   industrial  water  supply  use  which  would
require,  installation  of additional water treatment by
the  industrial  user  in  the  event  that  the  total
dissolved  solids  concentration  instrearn  exceeds 500
mg/1 "as a monthly average and 750 mg/1 at any one time.

LC50  value  - The concentration of a pollutant in test
waters  that  is  lethal  to  502 of the test organisms
during  continuous  exposure  for a specified period of
time.

Maximum  allowable  daily  load  (MDL)  -  The  maximum
amount  of  a pollutant from point and nonpoint sources
which  the  receiving  waters  can  assimilate  at  the
accepted  design  stream  flow  without endangering the
achievement of water quality standards.

Mutagenic - Producing adverse changes in the genes.

Noncumulative  pollutant  -  A  pollutant  which is not
measurably  increased  in  concentration within aquatic
organisms  relative  to concentrations in the receiving
waters.

Osmotic  pressure - The pressure which, when applied to
a  solution, will just prevent the passage of solvent -
usually   water   -   from   an   area  of  low  solute
concentration  through  a  semipermeable membrane to an
area of high solute concentration.

Representative  important  species  -  Those species of
aquatic  life  whose  protection  and  propagation will
assure  the sustained presence of a balanced indigenous
community.    Such  species  are  representative in the
sense  that  maintenance of water quality criteria will
assure  both  the  natural  completion  of the species'
life  cycles  and  the overall protection and sustained
propagation of the balanced indigenous community.

Self  concentration  value  -  An  estimated  pollutant
concentration  as  may  be determined by the Department
from   relevant   aquatic  field  studies,  substantial
available  scientific  literature,  or  bioassay  tests
tailored  to  the  ambient  quality  of  the  receiving
waters  which will allow the survival of representative
important  species  that  have been chronically exposed
to the concentration in the receiving waters.

State  water  plan  - The reports, studies, inventories
and  plans  prepared  by  the  Department  to guide the

             -113-

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                        conservation,  development  and  administration  of the
                        Commonwealth's  water  and  related  land  resources as
                        authorized by 71 P ss 510-4.

                        Tetratogenic  - Producing monstrosities, malformations,
                        or  extreme  deviations  from  the  normal structure of
                        life forms.

                        Testwater  - A receiving vater directly upstream from a
                        waste  discharge  which  is  relatively  unaffected  by
                        human   activities,  or  a  reconstituted  water  which
                        approximates  the  ambient  chemical characteristics of
                        these receiving waters.

                        Water-quality-based  effluent limitations - An effluent
                        limitation  based  on  the  need  to attain or maintain
                        specific  water  quality  criteria  in  order to assure
                        protection of a designated use.

                        Water  quality  criteria  -  Levels  of  parameters  or
                        stream   conditions  that  need  to  be  maintained  or
                        attained to prevent: or eliminate pollution.

                        Water  quality  standards  -  The  combination of water
                        uses  to  be  protected  and the water quality criteria
                        necessary to protect those uses.

            39
Rhode Island            "administrator'  shall  mean  the  administrator of the
                        United  States  Environmental  Protection Agency or his
                        designee.                                       *

                        "bypass"   shall  mean  the  intentional  diversion  of
                        wastes  from  any  portion  of  a  Wastewater Treatment
                        Facility.

                        "cause" shall mean cause, suffer, or allow.

                        "CWA"  shall mean Che Federal Clean Water Act (formerly
                        referred  to  as  Che  Federal  Water Pollution Control
                        Act ,  Pub  L. 92-500, as amended by Pub. L. 95-217 atad
                        PubT L. 95-576, 33 U.S.C. 1251 et seq.

                        "depuration"   shall   mean   the   transplantation  or
                        artificial   holding   of  shellfish  for  purification
                        purposes.

                        "director"  shall  mean  the director of the department
                        of  environmental  management  or  any  subordinate  or
                        subordinates  to  whom  he has delegated the powers and
                        duties vested in him by these regulations.

                        "discharge"  shall  mean  cause  sewage or other waste,
                        unless  a  more  specific  waste  is  indicated,   to be
                        discharged,  deposited,  dumped, spilled or leaked  into

                                     -114-

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any  waters  of the State or to be placed in a location
where  the  director  determines  it is likely to enter
any waters of the State.

"effluent  limited  waters"  shall  be  as  defined  in
paragraph 9.011 of these regulations.

"effluent.   limitations"  shall  mean  any  restriction
imposed  by  these regulations or the director pursuant
to    these   regulations   on   quality,   rates   and
concentrations  of pollutants which are discharged from
point* sources into any waters of the State.

"EPA"   shall  mean  the  United  States  Environmental
Protection Agency.

"ESB"  shall  mean  the  Environmental  Standards Board
established  by  Chapter 42-17.3 of the General laws of
Rhode Island of 1956, as amended.

"fresh  water"  shall  mean  those  waters of the State
which are not sea water.

"hazardous  waste" shall be defined pursuant to Chapter
23-46.2  of  the  General Laws of Rhode Island of 1956,
as    amended,   and   regulations   adopted   pursuant
thereunder.

"high  quality  waters"  shall mean water whose quality
is  higher  than  the  water  quality  criteria for the
water's  designated  class, but which does not meet all
the water quality criteria for a higher class.

"low  quality  waters"  shall  mean waters which do not
meet their designated water quality standards.

"margin   of   safety"  shall  mean  a  requirement  in
addition  to specific requirements of these regulations
which  the  director  deems  necessary  to  protect the
public health and safety and the environment.

"marina"  shall  mean  any facility, public or private,
at which vessels are docked or moored.

"new  discharges"  shall  mean discharges for which the
director  had  not  issued  an  order of approval on or
before the effective date of these regulations.

"NPDES"  or  National  Pollutant  Discharge Elimination
System  shall  mean  the  national program for issuing,
modifying,   revoking   and   reissuing,   terminating,
monitoring,  and enforcing permits pursuant to Sections
402,318, and 405 of the Clean Vater Act.
             -115-

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 "other  waste'   shall  mean  chemicals,  acids,  dye-stuff,
 starch,   coloring  matter,   oil   and   tar,  radio-active
 substances,   and  any   compound,   solution,   mixture of
 product   thereof,   and  every substance  which   may be
 injurious  to  public  health or  comfort,  or which would
 injuriously    affect     the    natural  and   healthy
 propagation,  growth,   or  development of  any  fish or
 shellfish   in    any   waters of  the State,   or  the
•nourishment  of  the  same,  or  which would injuriously
 affect  the  flavor taste,  or value as food of any such
 fish  or  shellfish;  or which would  defile said waters
 or  injure  or  defile  any vessel, boat, wharf, pier, or
 any  public  or private property upon, in or  under said
 waters,  or any  shore thereof.

 "person"  shall  mean  an individual,  trust, firm, joint
 stock  company,  corporation  (including  a  government
 corporation),    partnership,    association,    state,
 municipality,  commission,   political  subdivision of a
 state, or any interstate body.
 "pollution"  shall  mean
 sewage  or  other  waste
 State   in
 connection
 discharged,
 properties,
 change  in
                          the  entrance or discharge of
                          into any of the waters of the
            such  quantity,  either  by  itself  or  in
             with   other  sewage  or  other  waste  so
             as  to  alter  the  physical  or  chemical
             or  biology,  of  said  waters,  including
            temperature,  taste,  color,  turbidity  or
odor,  and to cause or be likely to cause damage to the
public,  or  to  any  person having a right to use said
waters  for  boating,  fishing  or  other  purposes, or
owning property in^ under or bordering upon the same.

"POTV"  or  Publicly Owned Treatment Works shall mean a
treatment  works  which  is  owned  by  the  State or a
municipality, or other public authority.

"schedule  of  compliance"  shall  mean  a  schedule of
remedial  measures including an enforceable sequence of
interim   requirements   leading   to  compliance  wi£h
applicable    water    quality    standards,   effluent
limitations, or orders of the director.
 "sea  water"  shall  mean
 rise and fall of the tide.
                           those  waters subject  to  the
 "severe   property   damage"   shall  mean  substantial
 physical  damage  to  property, damage to the treatment
 facilities  which would cause them to become inoperable
 or  substantial and permanent loss of natural resources
 which  can  reasonably  be  expected  to  occur  in  the
 absence  of  a bypass.  Severe property damage does  not
 mean economic loss caused by delays in production.
                                                            J
              -116-

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                                n  shall  mean  any  human or"animal excremental
                                       substance,    any   decomposed  animal  or
 "sewage
 liquid   or                  m     	r	  	
 vegetable matter,  garbage,  offal,  filth,  or wasteT
South Carolina40
 "storm  vater  sewer"  shall  mean  a conveyance or system
 of  conveyances  (including,   but not  limited to pipes,
 conduits,   ditches,  and   channels)  primarily used 'for
 collecting  and  conveying  storm water runoff

 "surface water  degradation;   degradation"   shall  mean
 reduction   in  attained   or  attainable levels of one  or
 more water  quality criteria.

 "system   or    means   of  wastewater   treatment"  or
 "treatment  works"  shall mean  any method,  devices  or
 system  for  preventing,   abating,  reducing,   storing,
 treating,     separating,   recycling,   reclaiming    or
 disposing   of  sewage  or other  waste, including storm
 water  runoff  and  sewage or other  waste in combined
 storm  water and sanitary  sewer systems.

 "treatment  works" include intercepting sewers,  outfall
 sewers,  sewage  collection  systems   and  the land  that
 will   be  an  integral  part   of   the  treatment  process
 (including    land   use   for   the storage  of  treated
 wastewater  in  land   treatment   systems  prior  to  land
 application)  or  is  used for'  ultimate  disposal  of
 residue resulting from-such treatment.

 Wastewater    Treatment    Facilities    include  pumping,
 power,  and   other  equipment   and their appurtenances,
 and  elements   essential  to provide a  reliable recycled
 supply  such  as standby  treatment units and  clear  well
 facilities.

 "water  quality  limited waters"  shall be as  defined  in
 paragraph 9.012 of these regulations.

 "waters  of   the  State"   or   "Waters"  shall  mean ajLl
 surface  waters of the State of Rhode Island,  including
all  tidewaters  within the State and all inland waters
of any river, stream, brook,  pond or lake.

The  definition  of  any  word  or  phrase  employed  in
Section  C.,  D., or E. of this regulation shall be the
same  as  given in the South Carolina Pollution Control
Act,   48-1-10,    et  seq,  S.C.  Code  of  Laws,   1976
hereafter  referred  to  as  the Act.   Words or phrases
which  are  not   defined   in   the  Act  are  defined as
follows:

  (1) Agricultural  includes  use  of  water   for stock
      watering irrigation, and other farm purposes.
                                     -117-

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(2) Aquifer  means  a  geologic  formation,   group of
   , formations,   or part of a formation that contains
    sufficient  saturated permeable material to yield
    significant   quantities  of ground water to wells
    or springs.

(3) Best  management  practice (BMP) means a practice
    or  combination  of  practices  that are the most
   •effective,   practical  ways  of  controlling  or
    abating nonpoint source pollution.

(4) Buffer  zones  means  areas  in  Class  SA waters
    where   the   gathering  of  clams,  mussels,  or
    oysters  is  prohibited  due  to potential public
    health safety problems.

(5) Classified  uses  means  those  uses specified in
    Section  E.   of  this  regulation  as  applied to
    specific  waters,  whether  or not those uses are
    being attained.

(6) Conventional  treatment  as  applying  to potable
    water   supplies  means  treatment  including  at
    least  flocculation,  sedimentation,  filtration,
   • and disinfection.

(7) Daily  average, as used in this regulation, means
    the  average "of  all  samples  taken  during any
    24-hour period.

(8) Deleterious  substances  means  those  substances
    which  in  sufficient  concentrations  or  levels
    have a harmful effect on water uses.

(9) Ephemeral  Streams  means  streams that flow only
    in  direct  response  to rainfall or snowmelt and
    in  which  discrete  periods  of  flow persist no
    more than 29 consecutive days per event.
                                                            \
            -118-

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 (10) Existing  uses  means   those  uses actually  being
     attained    in  or  on   the  water,  on  or   after
     November  28,  1975, regardless of the  classified
     uses.

 (11) Fishing   means   the   taking,   harvesting,   or
     catching    of   fish    or   shellfish   for   human
     consumption.

 (12) Ground  water  means water below the land surface
     in a zone of saturation.

 (13) Intermittent    Streams    means   streams   that
     generally   have   defined  natural  watercourses
     which  do  not  flow  year round, but flow beyond
     periods of rainfall or snowmelt.

 (14) Median  tolerance  limit  means the concentration
     of  a  test  material at which just 50 percent of
     the  test  animals are able to survive under test
     conditions for a specified period of exposure.

 (15) Mixing zone means:

     (a) for  surface  waters,  a region-of water below
         an  outlet  where  the  physical  mixing of a
         discharge  occurs in all directions until the
         constituents  in  the discharge have achieved
         uniform • concentrations   in  the  receiving
         water, and

     (b) for   ground   waters,    a  hydrogeologically
         controlled    three-dimensional   flow   path
         within   an  aquifer  which  constitutes  the
         pathway  for  waste  constituents  to migrate
         from a source.

(16) Natural  conditions   means   those  water  quality
     conditions   unaffected  by  point   and  nonpoint
     sources or other sources of pollution.

(17) Outstanding  recreational   or ecological resource
     waters  means  waters  which  are  of exceptional
     recreational  or  ecological  importance.     Such
     waters  may  include,   but   are  not   limited to:
     waters  in  national  or state parks or wildlife
     refuges;     waters   supporting   threatened   or
     endangered  species;   waters  under   the National
     Wild  and   Scenic  Rivers   Act  or  South Carolina
     Scenic  Rivers   Act;   waters  known   to   be
     significant    nursery   areas   for   commercially
     important     species    or    known    to   contain
     significant    commercial   or  public  shell-fish

            -119-

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     resources;   or   waters   used   for  or  having
     significant  value  for  scientific  research and
     study.    Such  waters  may  be  protected  using
     Classes AA or SAA.

(18) Primary  contact  recreation  means  any activity
     with   the   intended  purpose  of  direct  water
     contact  by  the  human  body  to  the  point  of
     complete  submergence,  including but not limited
     to swimming, water skiing, and skin diving.

(19) Propagation  means  the continuance of species by
     reproduction   in  the  natural  environment,  as
     opposed   to   the   maintenance  of  species  by
     artificial culture and stocking.

(20) Public   water   system   means   any  public  or
     privately  owned waterworks system which provides
     drinking  water  for  human  consumption,  except
     those  serving  a  single  private  residence  or
     dwelling.

(21) Recharge  area  means an area where an aquifer is
     poorly    confined,    is   under   water   table
     conditions,  and has a downward component of flow
     near the water table.

.(22) Secondary  contact  recreation means any activity
     occurring  on  or  near  the water which does not
     have  an intended purpose of direct water contact
     by  the  human  body  to  the  point  of complete
     submergence, ,  including   but   not  limited  to
     fishing, boating, canoeing, and wading.

(23) Source   for  drinking  water  supply  means  any
     source   of  surface  water  which  is  used  for
     domestic  consumption, or used in connection with
     the  processing  of milk, beverages, food, or for
     other  purposes  which  requires  finished  water
     meeting  regulations  [40 CFR Part 141 and 40 CFR
     Part   143]  established  pursuant  to  the  Safe
     Drinking  Water  Act  (Public Law 93-523, 95-190)
     applicable to public water systems.

(24) Tidal   saltvaters   means   those  waters  whose
     elevation  is  subject  to changes due to oceanic
     tides  and  which  have  chloride  ion content in
     excess   of   250  milligrams  per 'liter  (mg/1)
     (salinity =0.48 o/oo).

(25) Toxic  wastes  means those wastes or combinations
     of   wastes  * including   disease-causing  agents
     which,   after   discharge   and  upon  exposure,
     ingestion,  inhalation,  or assimilation into any

            ^120-

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                              organism,  either  directly  from the environment
                              or  directly  by  ingestion  through food chains,
                              may     cause    death,    disease,    behavioral
                              abnormalities,    cancer,    genetic   mutations,
                              physiological       malfunctions       (including
                              malfunctions     in    reproduction),    physical
                              deformations,  or  restrict  or  impair growth in
                              such organisms or their offspring.

                         (26) Underground   source  of  drinking  water  (USDW)
                              means an aquifer or its portion:

                              1)  Which supplies any public water system; or

                              2)  Vhich   contains  a  sufficient  quantity  of
                                  ground   water   to  supply  a  public  water
                                  system; and,

                                  (a) Currently  supplies  drinking  water  for
                                      human consumption; or

                                  (b) Contains   water   with  fewer  than  ten
                                      thousand   milligrams   per  liter  total
                                      dissolved solids.

                         (27) Water  table  means  that  level  below  the land
                              surface  at  which  all the voids are filled with
                              water at a pressure equal to atmospheric.

                         (28) Weekly  average  means the average of all samples
                              taken during any consecutive seven-day period.


South Dakota             (1)  "Administrator"  the  administrator  of  the U.S.
                         Environmental Protection Agency:

                          (1A)  "Ammonia Toxicity," Ammonia Toxicity by William
                         T.   Willingham,   Control  Technology  Branch,  Water
                         Division,   U.S.   Environmental   Protection  Agency,
                         Region VII, (February, 1976) 4

                         (2)  Bioassay  test  any  test  in which organisms are
                         used  to  detect  or measure the presence or effect of
                         one or more substances or conditions

                         (3)  "Degree  C"  degrees  centigrade,  a  measure  of
                         temperature

                         (4)  "Cold  water  marginal  fish  life propagation" a
                         type  of. beneficial  use assigned to waters which are
                         suitable  for  supporting  stockings -of catchable size
                         trout  during  portions  of  the  year, but due to low
                         flows,   siltation,  and  warm  temperature,  are  not
                         suitable for permanent cold water fish population

                                     -121-

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                                  ..                          t
(5)  "Cold  water : permanent  fish life propagation" a
type  of  beneficial  use assigned to waters which are
capable  of  supporting a permanent trout fishery from       1
natural reproduction of fingerling stocking                  J

(6)  "Commerce  and industry" a type of beneficial use       ->
assigned  to  waters  which  are  suitable  for use as       j
cooling  water,  industrial process water, navigation,
and production of hydroelectric power                        ,

(7)  "Criteria"  a  numerical  value which defines the
acceptable limits of a parameter

(8)  "Domestic  water supply" a type of beneficial use       )
assigned  to  waters  which  are  suitable  for  human
consumption,  culinary  or  food  processing purposes,       >
and  other household purposes after suitable treatment       ;
by conventional processes

(9)  "Eight  hour composited sample" a sample composed       [
of  eight  grab  samples  taken at one hour intervals,       '
the  volume  of  each sample proportioned to flow, and
physically mixed prior to analysis

(10)  "E.P.A.  methods"  Methods for Chemical Analysis
of  Waters  and Wastes, 1971, Environmental Protection       j
Agency, analytical quality control laboratory                j

(11)  "Degrees  F"  degrees  Fahrenheit,  a measure of
temperature

(12)  "Handbook  f}9"  Maximum Permissible Body Burdens
and     Maximum    Permissible    Concentrations    of       j
Radionuclides  in  Air  and  in Water  for Occupational       |
Exposure,  recommendations  of  the national committee
on   radiation   protection.      National  Bureau  of       >
Standards handbook 69 (August 1963)                          )

(13)  "Immersion recreation" a beneficial use assigned
to  waters which are suitable for uses where  the  human
body  may  come  in  direct contact with the water,  to       '
the  point   of complete submersion and where water  may
be  ingested  accidentally  or certain  sensitive organs       j
such as the  eyes, ears, and nose  may be  exposed  to  it       (:

(14)  "Irrigation" a beneficial use  assigned  to waters       ..
which   are   suitable   for  irrigating farm lands,  ranch       j^
lands,  gardens and  recreational areas

(15)  "J.C.U.,"   jackson   candle   unit,,  a  measure of       |
turbidity
             -122-

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(16)  "Lake"  a  navigable  lake,  pond, or reservoir,
created  by  either  natural  or artificial means, for
which there exists a right of public access or use;

(17)  "Limited  contact  recreation"  a beneficial use
assigned   waters  which  are  suitable  for  boating,
fishing  and other water related recreation other than
immersion recreation

(18)  "Median  tolerance limit" the concentration of a
toxic  Material~or materials which kills fifty percent
of bioassay test organisms in ninety-six hours

(19)  "M.F."  membrane  filter, a term used to signify
that  the  number  of bacteria was determined by means
of the membrane filter technique

(20)   "mg/1"  milligrams  per  liter,  a  measure  of
concentration

(21)   "micromhos/cm"   micromhos  per  centimeter,  a
measure of electrical conductivity

(22)  "Mixing  zone"  that volume of water immediately
surrounding  a  discharge  which  does  not meet water
quality  criteria  because  of a lack of mixing of the
discharge and stream or lake waters

(23)  "MPN"  most  probably  number,  a  term  used to
signify  that.'the number of bacteria was determined by
means of the multiple-tube fermentation technique

(24)  "Parameter"  a  chemical, physical or biological
characteristic which affects the use of the water

(25)  "PCi/1"  picocuries  per  liter,  a  measure  of
radioactive concentration

(26)  "Secretary"  the  secretary  of the South Dakota
Department of Environmental Protection
                                                    /
(27)  "Segment"  a  continuous  stretch of water found
between two points in the bed of a stream

(28) "Spawning bed" any place where fish spawn

(29)  "Standard  Methods"  Standard  Methods  for  the
Examination   of   Water  and  tfastewater,  Fourteenth
edition,  American  Public  Health  Association et al.
(1975)

(30)  "Stream"  a navigable river, creek, or tributary
of such river or creek
            -123-

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                          (31)   "Twenty-four  hour  composited  sample" a sample       I
                          composed  of   tventy-four  grab  samples   taken at one
                          hour    intervals,    the   volume   of   each   sample       -j
                          proportioned   to  flow,  and physically mixed prior  to       I
                          analysis

                                                                                     "*}
                          (32)   "Warm  water  marginal  fish life propagation"  a       j
                          beneficial  use  assigned  to  lakes and streams which
                        •  will .  support- more   tolerant  species  of  fish  with
                          frequent  stocking and intensive management but suffer       I
                          frequent   fish  kills  because  of  critical  natural       I
                          conditions

                          (33)   "Warm  water  permanent fish life propagation"  a       [
                          beneficial  use  assigned  to  lakes and streams which
                          are  suitable  for  the  permanent maintenance of warm
                          water  fish  including  walleyes,  black   bass, perch,       I
                          channel catfish, northern pike, and bluegills                '

                          (34)   "Warm  water semipermanent fish life propagation       \
                          waters"   a  beneficial  use  assigned  to  lakes  and       j
                          streams  which  are   suitable  for  the maintenance  of
                          warm   water  fish  but  which  suffer  occasional fish       j
                          kills   because   of   critical   natural  conditions.       j
                          Species  found  in  these  waters  includes  walleyes,
                          perch, black bass, northern pike, and channel catfish

                          (35)   "Wildlife  -propagation  and  stock  watering"   a   ~   '
                          beneficial  use  assigned  to  streams and lakes which
                          are    satisfactory    as   habitat   for   aquatic  and       j
                          semi-aquatic   wild   animals  and  fowl  and  are   of -      j
                          suitable   quality  for  watering  domestic  and  vild
                          animals                                                      >
         42
Tennessee               (1)   Conventional Water Treatment - Conventional water
                        treatment  as  referred  to  in  the  criteria  denotes
                        coagulation, sedimentation, filtration or chlorination.       j
                                                                                      !•
                        (2)     Mixing Zone - Mixing zone refers to  that section
                        of   a  flowing  stream  or  impounded  waters  in  the       I
                        immediate  vicinity  of  an  outfall  where an effluent       )
                        becomes dispersed  and  mixed.    Such  zones shall  be
                        restricted  in  area   and  length  and  shall  not  (i)       <
                        prevent the free passage of fish or cause  aquatic life       I
                        mortality   in   the   receiving  waters;  (ii)  contain
                        materials  in  concentrations  that  exceed  recognized
                        acute   toxicity  levels  for  biota  significant to the
                        aquatic  community  in  the  receiving  waters;  (iii)      ~*
                        result    in   offensive   conditions;   (iv)   produce
                        undesirable  aquatic   life  or result in dominance of a       \
                        nuisance  species;  (v)  endanger  the public health  or       >
                        welfare;  or  (vi)  adversely affect the reasonable and
                        necessary  uses  of  the area; (vii) create a condition       v
                        of  chronic  toxicity  beyond  the  edge  of the mixing       1

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                        zone;  and  (viii) adversely affect nursery and spawning
                        areas.                             .•               ,

                        (3)    Wet  Weather Conveyance - Wet weather conveyances
                        are    natural    watercourses,    including    natural
                        watercourses     that    have    been    modified     by
                        channelization,  that  flow  only in direct response  to
                        precipitation  in  their  immediate  locality and whose
                        channels  are  above the groundwater table and which  do
                       .not  support  fish or aquatic life and are not suitable
                        for  drinking  water  supplies.    Statutory Authority:
                        T.C.A. Section 4-5-202, T.C.A. Section 69-3-105.

                        (4)   Terminology not specifically defined herein shall
                        be  defined  in  accordance  with  the  Tennessee Water
                        Quality  Control  Act,  (T.C.A.  Sections  69-3-101,  et
                        seq.).


Texas43                 §307.3.  DEFINITIONS AND ABBREVIATIONS.

                        (1)   Acute toxicity - Toxicity which exerts short-term
                        lethal  impacts on representative, sensitive organisms.
                        The  duration  of exposure applicable to acute toxicity
                        is  normally 96 hours or less.  (Direct thermal impacts
                        are excluded from definitions of toxicity).

                        (2)    Ambient  -  The natural conditions that would  be
                        expected   to   occur   in  waters  unaffected  or  not
                        influenced by the activities of man.

                        (3)      Best  management  practice  -  A  practice  or
                        combination  of  practices  determined  to  be the most
                        practicable  means  of  preventing  or  reducing,   to a
                        level  compatible  with water quality goals,  the amount
                        of pollution generated by nonpoint sources.

                        (4)  Bioaccumulative  toxic  -  A toxic substance which
                        has a tendency to accumulate in organisms.

                        (5)    Chronic  toxicity  -  Toxicity which exerts sub-
                        lethal  negative  effects such as growth impairment and
                        reduced  reproduction,  or which exerts lethality after
                        long-term   exposure,  on  representative  ,   sensitive
                        organisms.

                        (6)  Commission - The Texas Water Commission.

                        (7)    Contact  recreation  -  Recreational  activities
                        involving  a  significant  risk  of ingestion of water,
                        including  wading  by children,  swimming,  water skiing,
                        diving, and surfing.
                                     -125-

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(8)    Continuing  planning  process  - A document that       >
describes  the  state's planning and management process
and  procedures  for  making  vater  quality  decisions       1
required  by  §303(ft) of the Clean Water Act (33 United       j
States Code 1313).

(9)    Criteria - Vater quality conditions which are to        I
be met in order to support and protect desired uses.

(10)    Critical  low-flow  - Lov-flov condition (e.g.,
702  flow)  belov  which  some  standards do not apply.
The  impacts  of  permitted  discharges are analyzed at
critical low-flow.

(11)    Discharge permit - A permit issued by the state
to discharge effluent into waters of the state.

(12)    EC50  -  The  concentration  of a toxicant that
produces  sub-lethal  impacts  on  5QZ of the organisms
tested in a specified time period.                             \

(13)    Effluent - Wastewater discharged from any point
source prior to entering a water body.                        "i

(14)    Epilimnion  -  The  upper mixed layer of a lake
(including impoundments, ponds, and reservoirs).               '

(15)    Fecal  coliform  - That portion of the coliform
bacteria  group  which  is  present  in  the intestinal        v
tracts and faces of warm-blooded animals.                      /
                                                               i

(16)    Freshwaters  -  Inland  waters which exhibit no
measurable elevation changes due to normal tides.              |

(17)    Halocline  -  A  vertical  gradient in salinity
under  conditions  of  density  stratification  that is        j
usually   recognized   as   the  point  where  salinity        j
exhibits   the  greatest  difference  in  the  vertical
direction.

(18)    Intermittent  stream  -  A  stream  which has'a        i
period  of  zero  flow for at least one week during most
years.    Where   flow  records  are available, a stream        \
with  a  7Q2  flow of less  than 0.1 fts/s is considered        {
intermittent.     Streams  with  perennial  pools  which
create   significant   aquatic   life   uses   are   not
intermittent.

(19)    LC50  - The  concentration of a  toxicant  that is
lethal  (fatal)   to  50%  of   the organisms tested  in  a
specified time period.

(20)    Marine  waters  -   Waters which have measurable
elevation  changes   due to  normal  tides.  Marine waters

             -126-

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are   considered   to  be  saltwater  for  purposes  of
standards application.

(21)   Mixing zone - The area contiguous to a discharge
where  mixing  with  receiving  waters  takes place and
which  may  not meet certain criteria applicable to the
receiving water.

(22)  .  Noncontact  recreation  - Recreational pursuits
not  involving  a  -significant risk of water ingestion,
including    fishing,   commercial   and   recreational
boating,   and   limited  body  contact  incidental  to
shoreline activity.

(23)    Nonpersistent  toxic  -  A toxic substance that
readily  degrades  in the aquatic environment, exhibits
a  half-life of less than 96 hours, and does not have a
tendency to accumulate in organisms.

(24)    Oyster waters - Waters producing edible species
of clams, oysters, or mussels.

(25)   Persistent toxic - A toxic substance that is not
readily  degraded  and exhibits a half-life of 96 hours
or more in an aquatic environment.

(26)     Practical  quantitation  level  -  The  lowest
concentration  at  which  a particular substance can be
measured by approved laboratory methods.

(27)    Salinity  - The total dissolved solids in water
after  all  carbonates  have  been converted to oxides,
all  bromide and iodide have been replaced by chloride,
and  all  organic  matter  has been oxidized.  For most
purposes,  salinity  is  considered equivalent to total
dissolved   salt   content.      Salinity  is  normally
expressed in parts per thousand.

(28)    Settleable  solids  -  The  volume or weight of
material  which  will settle out of a water sample in a
specified period of time.

(29)    Seven-day,  two-year low flow - The lowest flow
that   occurs  for  seven  consecutive  days  during  a
two-year   period   as  statistically  determined  from
historical  data.    It  is  the  flow  used for deter-
mining the allowable discharge load to a stream.

(30)    Shellfish  -  Clams,  oysters,  mussels, crabs,
crayfish, lobsters, and shrimp.

(31)    Standards - The designation of water bodies for
desirable   uses   and   the  narrative  and  numerical
criteria deemed necessary to protect those uses.

             -127-

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(32)    Total dissolved solids - The amount of material
(inorganic   salts   and   small   amounts  of  organic      ,
material)  dissolved in water and commonly expressed as      1
a  concentration in terms of milligrams per liter.  The      '
term  is  equivalent to the term filterable residue, as
used  in the publication entitled, Standard Methods for      "\
the Examination of Vater and Vastevater.          .           '

(33)    Total suspended solids - Total suspended matter
in water,, which is equivalent to nonfilterable residue.

(34)    Total  toxicity  -  Toxicity  as  determined by      .
exposing  aquatic  organisms to samples or dilutions of      f
instream  water  or treated effluent.  Also referred to      ;
as whole-effluent toxicity.

(35)   Toxicity - The occurrence of lethal or sublethal
adverse  effects on representative, sensitive organisms
due  to  exposure  to toxic materials.  Adverse effects      i
caused  by conditions of temperature, dissolved oxygen,      |
or  nontoxic dissolved substances are excluded from the
definition of toxicity.

(36)    Toxicity  biomonitoring  - The determination of
total toxicity.

(37)      Vater   quality   .management  program  -  The
commission's   overall   program   for   attaining  and
maintaining   water '  quality ' consistent  with  state      \
standards,  as  authorized  under the Texas Vater Code,      '
the  Texas  Administrative  Code,  and  the Clean Vater
Act,  §§106,  205(j),  208,  303(e)  and 314 (33 United
States Code 1251 6t seq).

(38)   Zone of initial dilution - The small area at the
immediate  point  of  discharge  where initial dilution      f
with  receiving  waters  occurs, and which may not meet      (
certain  criteria applicable to the receiving water.  A
zone  of initial dilution is substantially smaller than      t
a mixing zone.

(b)   Abbreviations".  The following abbreviations apply
to this chapter:                                             )
                                                             i
(1) AP - aquifer protection.
(2) BMP - best management practices.                         [
(3) AS - agricultural water supply.                         ,.j
(4) CFR - Code of Federal Regulations.
(5) CR - contact recreation.                                 \
(6) CPP - continuing planning process.                       (
(7) DO - dissolved oxygen.
(8) E - exceptional quality aquatic habitat.                 .
(9) EPA - U.S. Environmental Protection Agency.              I

             -128-

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                         (10)   P - degree(s)  Fahrenheit.
                         (11)  fts/s - cubic feet  per second.
                         (12)  H - high quality aquatic habitat.
                         (13)  I - intermediate quality aquatic habitat.
                         (14)  IS - industrial water supply.
                         (15)  L - limited  quality aquatic habitat.
                         (16)  mg/L - milligrams per liter
                         (17)  ml - milliliter.
                         (18)  N - navigation.
                         (19)  NCR - noncontact  recreation.
                         (20)  NPDES - National  Pollutant  Discharge  Elimination
                              System,   as   set  out in the Clean Water Act,  §402
                         (33 United States  Code 1342).
                         (21)  0 - Oyster waters.
                         (22)  PQL - practical quantitation level.
                         (23)  PS - public water supply.
                         (24)  7Q2 - seven-day,  two-year low flow.
                         (25)  IDS - total dissolved solids.
                         (26)  USGS - U.S. Geological Survey.
                         (27)  VQM - water quality management.
Utah
    44
Vermont
       45
Not  Specified

For   the purposes of  these Water Quality  Standards,  the
terms  below shall have  the  following meanings unless  a
different meaning clearly appears from  the context.

1.  Accepted  agricultural   or  silvicultural practices
means  those  practices  as defined by the commissioners
of   agriculture  and  forests,  parks  and  recreation
respectively  in  accordance with 10 V.S.A. §1259(f) as
being  necessary  to  protect water quality in a manner
consistent with the Act.

2.  Act  means  the  "Vermont  Water  Pollution Control
Act," 10 V.S.A., Chapter 47.

3.   Applicable   water   quality  criteria  means  all
criteria  specified  in  sections  3-01,  3-05, 3-06 as
well  as  those  specified in sections 3-02(B), 3-03(B)
and  3-04(B) which are applicable to the classification
of the waters in question.

4.   Assimilative  capacity  means  a  measure  of  the
capacity  of  the receiving waters to assimilate wastes
without    lowering    their    quality    below    the
applicable-water quality criteria.

5.  Background  conditions means conditions which exist
in  the  absence  of  human  or  cultural influences or
conditions  due  to  human or cultural influences which
are not subject to regulation under the Act.
                                     -129-

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                                                             [
6.  Beneficial  values  or  uses means any value or use      '
vhether  existing  or  not,  which  is specified in the
management  objectives  for  each class of vater as set      ]
forth  in  sections  3-02(A),  3-03(A)  and  3-04(A) of      j
these rules.

7.  Board  means  the Vermont Vater Resources Board, 10
V.S.A. §1251(1).                                             '

8.    Classification    means    the    vater   quality      j
classification  designated for a specific body of vater      I
in accordance with the provisions of 10 V.S.A. §1253.

9.   Discharge   moans   the  placing,  depositing,  or      ',
emission  of  any  wastes, directly or indirectly, into
an  injection  veil or into the waters of the state, 10      -.
V.S.A. §1251(2).

10.   EPA   means  the  U.S.  Environmental  Protection
Agency.                                                      )
                                                             i
11.  Existing  Discharge  means  any  discharge  to the
extent  authorized  by  a valid permit issued under the
provisions  of  10  V.S.A. §1263 or §1265 as of January
7, 1985.
                                                             \
12.  Existing  Use  means  any  beneficial use of vater      |
which  provides  important  economic,  .social-  or other   ~  '
public  benefits  and which has occurred on a frequent,
regular  or  consistent basis' and any other use made of      |
the water which is compatible with its classification.       1

13.  Groundwater means water below the land surface, 10      /
V.S.A. §1410 (b)(l).                                         j

14.   Indirect   discharge   means   any  discharge  to      .
groundvater,    vhether   subsurface,   land-based   or      (
otherwise, 10 V.S.A. §1251(15).                              l

15.  Mixing  zone  means  a  length  or area vithin the      |
waters  of  the  state  required for the dispersion and      j
dilution  of  vastft  discharges  adequately  treated to
meet  federal  and  state  treatment  requirements  and      t
vithin  which it is recognized that specific water uses      (
or  water quality criteria associated with the assigned      "
classification  for  such  waters  may not be realized.
The  mixing  zone  shall  not extend more than 200 feet
from the point of discharge, 10 V.S.A. §1251(6).            -*•

16.  New  discharge  means any discharge not authorized      |
under  the . provisions of 10 V.S.A. §1263 as of January      >
7,  1985  or  any increased pollutant loading or demand
             -130-

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on  the  assimilative  capacity of the receiving waters
from  an existing discharge which requires  the issuance
of a new or amended permit.

17.  Nonpoint  source  waste  means waste which reaches
the   waters  of  the  state  via  direct   or  indirect
discharge  in  a diffuse manner from sources including,
but  not  limited to, overland runoff from  construction
sites,  or as a result of agricultural or silvicultural
practices.

18.  Nonpolluting  waste means those wastes which prior
to  treatment do not have the potential to  result in an
undue  adverse  effect  on any existing use, beneficial
value or use, or the quality of the receiving waters.

19.   Permit   means   a  Discharge  Permit  issued  in
accordance with the provisions of 10 V.S.A. §1263.

20.  Person means an individual, partnership, public or
private   corporation,  municipality,  institution,  or
agency  of  the  state or federal government, including
any   officer  or  governing  or  managing  body  of  a
partnership,   association,  firm  or  corporation,  10
V.S.A. §1251(8).

21.  Public  Interest means that which shall be for the
greatest   benefit  to  the  people  of  the  state  as
determined   by   the  Board  in  accordance  with- the
criteria  set  forth  in subsection (e) of section 1253
of the Act.

22.  Publicly  owned  treatment  works (POTV) means any
government  owned device or system used in  the storage,
treatment, disposal or recycling of wastes.

23.  Receiving  waters  means  all waters adjacent to a
discharge  and  all adjacent or downstream waters whose
quality may be affected by that discharge.

24.  Seven  Day Low Flow, Ten Year Return Period (7Qld)
means  that  instantaneous  flow  which is equal to the
lowest  mean  flow for seven consecutive days which has
a 10% chance of occurring in any given year.

25.  Secretary  means  the  Secretary  of the Agency of
Environmental    Conservation    or    his   authorized
representative, 10 V.S.A. §1251 (11).

26.   Stormwater  runoff  means  natural  precipitation
which  does not infiltrate into the soil, including any
material   dissolved   or   suspended  in  such  water.
Stormwater   runoff   does   not  include  wastes  from
combined sewer overflows.

             -131-

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                         27.  Toxic wastes means  those wastes or combinations  of
                         wastes   which,  after   discharge  and  upon   exposure,
                         ingestion,    inhalation,   or   assimilation   into  any
                         organism,  either  directly  from  the  environment   or
                         indirectly  by   ingestion  through  food chains, will,  on
                         the   basis   of available  information   cause   death,
                         disease,   behavioral    abnormalities,  cancer genetic
                         mutations,--physiological  or reproductive malfunctions
                         or  physical  deformations  in  such organisms or their
                         offspring.

                         28.  Undue  Adverse Effect - This  phrase shall have its
                         common  meaning.   In determining  undue adverse effect,
                         the  Secretary   is  authorized  to make   case specific
                         judgments  in applying  these  rules.   In making such
                         judgments,  the  water   quality  policy  set   forth   in
                         section  1-02, the classification  of the waters and any
                         other  applicable  provisions  of  these rules shall  be
                         considered.      Except   where    the  context clearly
                         indicates  otherwise,  applications  or interpretations
                         which  are  less stringent than the specific provisions
                         of these rules shall not be allowed.

                         29.  Waste  means effluent, sewage, or any substance  or
                         material,   liquid,   gaseous,  solid  or  radioactive,
                         including  heated  liquids,  whether  or not harmful  or
                         deleterious to waters, 10 V.S.A. §1251(12).

                         30.  Vaters   and Waters  of the State'means any  river,
                         stream,  creek,  brook,  reservoir, pond,  lake, spring,
                         and  any  body of surface water, artificial or natural,
                         which  is  contained  within,  flows through or borders
                         upon  the  State of Vermont or any portion thereof,  10
                         V.S.A. §1251(13).
Virginia
        43
Washington
          44
Not Specified

(1)  Background  Conditions:  The biological, chemical,
and  physical conditions of a water body, upstream frdm
the  point  on  nonpoint  source of any discharge under
consideration.    Background  sampling  location  in an
enforcement   action   would  be  upstream  from  other
inflows.    If  several  discharges  to  any water body
exist,  and  enforcement  action  is  being  taken  for
possible   violations   to  the  standards,  background
sampling  would be undertaken immediately upstream from
each discharge

(2)  Fecal  Coliform:    That  portion  of the coliform
group  which  is  present  in the intestinal tracts and
feces   of  warm-blooded  animals  a  detected  by  the
product  of  acid  or  gas  from  lactose  in  suitable

             -132-

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Vest Virginia'
             48
                        culture  medium within 24 hours at 44.5 degrees plus or
                        minus 0.2 degrees C.

                        (3)   Mean  Detention  Time;    The  time  obtained  by
                        dividing   a  reservoir's  mean  annual  minimum   total
                        storage by the 30-day ten-year-flov from the reservoir.
                        (4)  . Median
                        measurements
                        measurements
                        the  number
               Value:     That  value  of  a  group  of
               that   falls  in  the  middle  when  the
              are  arranged  in order of magnitude.  If
             of  measurements is even, the median value
                        would  be  the
                        measurements.
                value  half-vay  between the two middle
                        (5)   Permit:    A  document  issued  pursuant  to  RCV
                        90.48.160  et seq. or RCV 90.48.260 or both, specifying
                        the  waste treatment and control requirements and waste
                        discharge conditions.
                        (6)  pH:    The
                        concentration.
                 negative logarithm of the hydrogen ion
                        (7)  Surface  Vaters  of  the  State:    Include lakes,
                        rivers,  ponds, streams, inland waters, saltwaters, and
                        all  other  surface waters and water courses within the
                        jurisdiction of the state of Vashington.
                        (8)  Temperature:
                        Celsius.
                     Temperature  expressed  in degrees
(9)  Turbidity:    The  clarity  of  water expressed as
nephelometric  turbidity  units (NTU) and measured with
a calibrated turbidimeter.

(10)  Upwelling:   Upwelling is a direct result of wind
stress  on the sea surface. As winds blow parallel to a
coast,  the  net  flow of water is at an angle of about
45   toward  the  sea.    This  flow causes cold bottom
water  to  move  upward  to  replace the warmer surface
water  moving  offshore.    The  cold  water is rich in
dissolved  nutrients  and  has  a  low dissolved oxygen
content.

VQS
LEG. RULE, 20-5 & 20-5A
SERIES I, SEC. 2.1

2.1    "Conventional  treatment"  is  the  treatment of
water  as  approved  by  the State Health Department to
assure that the Water is safe for human consumption.

2.2   "Cumulative" means a pollutant which increases in
concentration  in  an  organism by successive additions
at    different    times    or    in   different   ways

             -133-

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(bio-accumulation).

2.3   The "Federal Act" means the Clean Water Act (also
known  as  the  Federal  Water  Pollution  Control Act)
Public  Law 92-500, as amended by Public Law 95-217, 33
U.S.C. 1251, e_t
2.4    "High  quality  waters"  are  those waters whose
quality  is  equal to or better than the minimum levels
necessary  to  achieve  the national water quality goal
uses.    Included  are those streams or stream segments
which  receive  annual stockings of trout, but which do
not support year-round trout populations.

2.5    "Intermittent streams" are streams which have no
flow  during  sustained  period of no precipitation and
which  do  not  support aquatic life whose life history
requires  residence  in flowing waters for a continuous
period of at least six (6) months.

2.6   "National resource waters" are those whose unique
character,   ecological   or   recreational   value  or
pristine  nature  constitutes  a  valuable  national or
State resource.  (See Section 7.3).

2.7    "Natural"  or  "naturally  occurring"  values or
"natural  temperature' shall mean for all of  the waters
of the State:

  2. 7. a Those   water   quality   values   which  exist
        unaffected  by — or  unaffected as 3. consequence
        of — any water use by any person; and

  2.7.b Those   water   quality   values   which  exist
        unaffected  by  the  discharge,  or   direct  or
        indirect  deposit  of,  any  solid,   liquid  or
        gaseous substance by any person.

2.8    "Non-point  source"  shall mean any source other
than  a   point  source  from which pollutants may reach
.the waters  of  the State.

2.9    "Persistent"   shall  mean  a  pollutant   and  its
transformation  products which  under natural  conditions
degrades  slowly in an aquatic environment.

2.10     "Point  source"  shall  mean   any  discernible,
confined   and   discrete  conveyance,  including,  but  not
limited   to  any  pipe, ditch,  channel,  tunnel,  conduit,
well,  discrete   fissure,   container,  rolling stock,  or
vessel   or  other  floating  craft,  from which  pollutants
are  or may be discharged.

2.11     "Representative   important   species   of aquatic

              -134-

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                        life"  shall  mean   those species of aquatic  life vhose
                        protection  and  propagation  vill assure  the sustained
                        presence   of  a  balanced  aquatic  community.     Such
                        species   are   representative   in    the   sense   that
                        maintenance  of water quality criteria vill assure  both
                        the  natural completion of  the species'  life  cycles and
                        the  overall  protection  and  sustained propagation of
                        the balanced aquatic community.

                        2.12    The  "State  Act" or "State Lav" shall mean the
                        West   Virginia   Water  Pollution  Control   Act,   West
                        Virginia Code 20-5A-1, et seq.

                        2.13    "Total  recoverable"  refers   to  the digestion
                        procedure  for certain heavy metals as referenced in 40
                        CFR  136,  October   26,  1984,  Guidelines Establishing
                        Test  Procedures  for  the  Analysis of Pollutants Under
                        the Clean Water Act.

                        2.14    "Trout  vaters"  are streams or  stream segments
                        which  sustain  year-round  trout populations.  Excluded
                        are  those  streams  or  stream  segments which receive
                        annual  stockings  of  trout,  but which do not support
                        year-round trout populations.

                        2.15    "Water  quality  criteria" shall mean levels of
                        parameters  or  stream  conditions that  are required to
                        be  maintained  by   these regulations.   Criteria may be
                      .  expressed  as  a  constituent concentration,  levels,  or
                        narrative  statement,  representing  a quality of water
                        that supports a designated  use or uses.

                        2.16    "Water quality standards" means  the combination
                        of  water  uses  to  be protected and  the water quality
                        criteria to be maintained by these rules.

                        2.17   "Wet weather  streams" are streams that flow  only
                        in  direct  response to precipitation  or whose channels
                        are at all times above the  water table.
                                                                              i
         49
Wisconsin               (1)    "Mean   tolerance    level   (TLM)"   means    the
                        concentration  of  a substance  at which  there is  a 50
                        percent  mortality rate of  bioassay test organisms  in a
                        stated exposure time.

                        (2)  "Mixing  Zone"  means a region in  which a discharge
                        of  different  characteristics than the  receiving water
                        is  in  transit  and progressively  diluted  from   the
                        source to the receiving system.

                        (3)  "Natural  conditions"  means  the normal daily and
                        seasonal   variations   in   climatic  and  atmospheric
                        conditions,  and  the  existing  physical  and chemical

                                     -135-

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                         characteristics  of  a  water or the course in which it
                         flows.

                         (4)   "Natural  temperature"   means  the normal existing      '
                         temperature  of  a  surface   water  including daily and
                         seasonal  changes  outside the zone of influence of any     *\
                         artificial inputs.                                            [

                         (5)   ^Resource  management"   means  the  application of
                         control   techniques  to   enhance  or preserve a surface
                         water in  accordance with  statutory provisions and in
                         the general public: interest.

                         (6)   "Sanitary  survey"   means a thorough investigation      ;
                         and   evaluation   of   a   surface   water   including
                         bacteriological  sampling  to  determine the extent and      [
                         cause of any bacterial contamination.                         [

                         (7)   "Surface  waters" means  all natural and artificial      .
                         named and  unnamed  lakes  and  all  naturally flowing      \
                         streams   within  the  boundaries  of the state,  but not
                         including  cooling  lakes,   farm  ponds  and facilities
                         constructed  for the treatment of wastewaters (the  term
                         waters as used in this chapter means surface waters.).

                         (8)   "Unauthorized   concentrations  of substances"  mean      \
                         pollutants  or  other chemicals introduced into surface      \>
                         waters    without  prior  'permit  or  knowledge  of   the •  "~
                         department,     but     not   including   accidental -  or .    • \
                         unintentional spills.                                   . .     |

                         (9)   "Best  practicable   control technology" means  that
                         level of treatment established by the department under      j
                         section   147.04 (2)(a),  Vis.  Stats.,  for categories and      I
                         classes   of  point   sources  to be achieved by not later
                       •  than  July 1,  1977.                                            i

                         (10)  "Best  available  control  technology" means  that
                         level of treatment established by the department under
                         section   147.04  (2)(b)(l), Wis.  Stats.,  for categories
                         and   classes   of  point   sources  to be achieved by not
                         later than July 1,  1983.

Wyoming                  a.  Best   Management  Practices  -  Those  practices or      ,i
                         combinations   of  practices which are  determined by the
                         Wyoming   Continuing  Planning  Process,   after  problem     ''»
                         assessment,   examination  of   alternative practices and     j
                         appropriate   public  participation,    to   the   most
                         practically    effective    (including   technological,       .
                         economic  and  institutional   considerations)   means of      [
                         preventing  or  reducing  the quantity or concentration
                         of wastes discharged to  surface waters of the State.
                                     -136-

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 Best   management  practices  are contained within a State
 certified   water   quality management  plan adopted under
 Section 208   of  the  Federal  Act  in accordance with the
 State's   Continuing   Planning Process.     In  certain
 instances,  certified  State   water  quality management
 plans    will    not contain  specific  best   management
 practices   but will outline a process to be  followed in
 developing best   management   practices  for individual
 activities.

 b.  Biological Water  Quality  - Refers to the number and
 type   of  living   organisms existing  in a surface water
 body.

 c.   Chemical   Water  Quality -   Refers to  chemical
 elements  and   compounds  which are   found  in ionized,
 complexed   or  dissolved states in water (i.e.,  calcium,
 sulfate, dissolved oxygen.)

 d.  Cold  Water Fishery - A water body which is  managed
 by  the Wyoming Game and Fish Department primarily for
 one  or more   of  the following   species:    Grayling
 (Thymallus  arcticus):  Northern  Pike  (Esox lucius);
 Salmon     (Oncorhynchus);      Sauger    (Sitzosterdion
 canadense);    Trout   (Salmo  and  Salvelinus);   Walleye
 (Stizostedion   vitreum);   and  Whitefish    (Prospium
 williamsoni).

 e.  Conventional   Water Treatment - Shall be considered
 to  be,  in  order of application  for   public  water
 supplies,   the    following   processes;   coagulation,
 sedimentation,  filtration and  chlorination.

 f.  Dissolved  Oxygen - A measure of  the  amount of  free
 oxygen  in water.

 g.  Effluent   Limitations - Any restriction  established
 by  the  State  or  by the  Administrator  of  the Federal
 Environmental  Protection   Agency   (EPA)  on  quantities,
 rates    and    concentrations    of   chemical,   physica}.,
 biological  and other  constituents  which  are discharged
 from  point sources into waters of  th*e  State, including
 schedules of compliance.

 h.  Eutrophic  - Waters abundant in  nutrients  and having
 high  rates  of  productivity   frequently  resulting in
 oxygen depletion below  the  surface  layer.

 i. „  Existing   Quality  -  The  established  long-term
 chemical  and  biological   water quality  as  of the date
 of  promulgation  of  these  regulations with  recognition
of  the  fact  that water quality will  tend to fluctuate
on  a  seasonal  and  year-to-year  basis depending upon
natural  fluctuations  in water quality.

             -137-

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                                                            ;j
j.  Fecal  Col i form - Those species vithin the coliform
bacteria  group  which  are present in the gut or feces
or  varm-blooded animals.  The group includes organisms
which  are capable of producing gas from 1 actose broth
in  a suitable culture medium within 24 hours at 44.5°C
k.  Federal  Act  - The Federal Water Pollution Control
Act and subsequent amendments to that Act.

1.  Full  Body Contact Recreation - Any recreational or
other  surface  water  use  in which there is prolonged
and   intimate   contact   with   the  water  involving
considerable  risk,  of  ingesting  water  in quantities
sufficient  to  pose a significant health hazard (i.e.,
water skiing, swimming).

m.  Game  Fish - Bass (Micropterus) , Catfish (Ictalurus
punctatus),  Crappie  (Promoxis),  Grayling  (Thy mall us
arcticus),    Ling    (Lota    lota),   Northern   Pike
(Esoxlucius),    Perch   (Perca   flavescens),   Salmon
(Oncorhynchus),   : Sauger   (Stizostedion   canadense) ,
Sunfish   (Lepomis),   Trout  (Salmo  and  Salvelinus),
Walleye    (Stizostedion    vitreum),   and   Whitefish
(Prospium villiamsoni).

n.  LC50  the  "Lethal  concentration"  at  which fifty
percent  of the specified test organisms die within the
time  specified  (i.e.,  the 96 hour LC50 means that at
concentration  "x"  fifty percent of the test organisms
died within 96 hours.)

o.  Main  stem - This term shall mean the major channel
of  a  river  or stream as shown on the latest and most
detailed  United  States  Geological Survey map for the
area.

p.  Milligrams  Per Liter (mg/1) - Milligrams of solute
per  liter  of  solution  -  equivalent  to  parts  per
million (ppm) in liquids, assuming unit density.

q.  Mixing  Zone - That portion of a surface water body
within  which an effluent becomes thoroughly mixed with
the water body.

r.  Natural Water Quality - That quality of water which
would   exist   without   the   measurable  effects  or
measurable influence of man's activities.

s.  Nephelometric  Turbidity  Unit (NTU) - The standard
unit  used  to measure the optical property that causes
light   to   be  scattered  and  absorbed  rather  than
transmitted   in  straight  lines  through  water,  was

             -138-

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measured by a nephelometer.
                                                      i
t.  Net Oil and Grease - Shall mean the residue  from  an
oil  and  grease  test conducted in accordance with the
liquid-liquid  extraction with trichlorotrifluoroethane
(freon)  test  method  found  in  the latest edition  of
Standard  Methods  for  the  Examination  of  Water and
Wastewater  corrected  for  elemental sulfur.  The test
for  elemental  sulfur  shall be capable of measurement
at a level of 2 milligrams - 1.0 milligram.

u.  Non-Point  Source  -  Any runoff from irrigated and
non-irrigated   lands  used  for  grazing  and/or  crop
production;  runoff  from  forest  lands,  construction
activities;  urban  areas,  solid  and  hazardous waste
disposal  sites  and  recreational activities; indirect
discharges  from  septic  tanks  and leach fields; and,
other  sources and activities not subject to regulation
under  the  National  Pollutant  Discharge  Elimination
System (NPDES).

v.  pH  - Term used to express the intensity of acid  or
alkaline  conditions.    A  pH  value  of  7 at 25°C  is
neutral,  with  pH's  of less than 7 progressively more
acid  and  pH's greater than 7 progressively more basic
(alkaline).

w.  Pico-Curies  Per Liter (pCi/1) - A terms describing
the   radiation -  level  of..water  or  solutions.    A
pico-curie .is equal to 10    curie, a curie is defined
as 3.7 x 10   disintegrations per second.

x.   Point  Source  -  Any  discernible,  confined  and
discrete  conveyance,  including but not. limited to any
pipe,  ditch, channel, conduit, well,  discrete fissure,
container,  rolling  stock, concentrated animal feeding
operation  or  vessel  or  other  floating  craft, from
which  pollutants  are  or  may  be  discharged, except
those  pollutant  sources  specifically identified as a
non-point in these regulations.

y.    Salinity    -   The   total   mineral   dissolved
constituents,  after  carbonates have been converted  to
oxides,  organics  have  been  oxidized and bromine and
iodine  have  been converted to chloride.  This term  is
often   used   interchangeably   with  the  term  total
dissolved solids.

z.    Secondary   Body   Contact   Recreation   -   Any
recreational  or  other  surface  water  use  in  which
contact  with  water is either incidental or accidental
and  in  which the probability of ingesting appreciable
quantities  of  water  is  minimal,   such  as  fishing,
hunting and commercial and recreational boating.

             -139-

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                                                             1
                                                             I
aa.  Wyoming  Continuing  Planning  Process  (CPP) — A      ^
planning  process  involving  public  participation and      ~|
political  debate  and  including  policies, procedures      ,'
and   programs   that  result  in  the  definition  and
implementation  of actions that lead to the prevention,      "1
reduction   and   abatement   of  all  forms  of  vater       (
pollution  and  for  the  protection and enhancement of
water • uses  in  the  State  of  Wyoming.    The CPP is       ,
continuous  in  time  and  is  designed  to  respond to
changes  in  conditions  and  attitudes.  Certified and       '
approved  State  and  areavide water quality management
plans  prepared  pursuant to Section 208 of the Federal       |
Act  describe  elements  of  the CPP and are outputs of       .)
the  CPP.    Such  plans include but are not limited to
the following:                                                j

   (1)   Water   quality   monitoring  requirements  and
programs;                                                     i
                                                            '  i
   (2)   Definition  and  assessment  of  water  quality
problems;

   (3)  Identification  of  alternative solutions,  their       !
costs and effectiveness;
                                                              \
   (4)   Evaluations   of  their  social,   economic and       |
environmental impact;

   (5)  Best  management  practices  or  procedures and       j
programs  for   their  determination  which lead  to  the
control of non-point sources of  pollution;

   (6)     Definition     of      institutional     roles,       I
responsibilities   and  assignments  for   planning and
implementation  activities;                                    1

   (7) Priorities  for action;

   (8)   Procedures    for  public  participation,   local
government      involvement,      conflict      resolution
performance,    evaluation,   plan   update and  formal
amendments.                                                   /

bb.   State   Program   Plan   -  A  report  submitted on an
annual   basis   by  the   State   to   the   EPA,   under the       ,
requirements  of   Section  106  of the  Federal  Act.  This       j
document   outlines   the State's water  pollution control
goals for the  ensuing fiscal year.                            j

cc.   Surface  Waters   of  the  State -  All permanent and
 intermittent    defined   drainages   and   lakes   and
reservoirs  which  are  not  man-made  retention ponds,       j
used  for  the  treatment  of municipal,  agricultural or      }

              -140-                                           I

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American Samoa
              51
industrial  waste;  and  all  other  bodies  of surface
water,  either  public  or  private which are wholly or
partially  within the boundaries of the State.  Nothing
in  this  definition is intended to expand the scope of
the  Environmental  Quality  Act, as limited in Wyoming
Statutes, Sec. 35-ll-1104(c).

dd.  Toxic  Materials - Those materials or combinations
of  materials  including disease causing agents, which,
after   discharge   and   upon   exposure,   ingestion,
inhalation  or  assimilation  into  any environmentally
significant   organism,   either   directly   from  the
environment  or  indirectly  by  ingestion through food
chains,  will, on the basis of information available to
the  Administrator  of  the  EPA, cause death, disease,
behavioral      abnormalities,      cancer,     genetic
malfunctions,   physiological  malfunctions  (including
malfunctions  in reproduction) or physical deformations
in such organisms or their offspring.

ee.  Tributary - Those streams or stream segments which
flow  into  or  contribute  water  to  another  stream,
stream segment or other water body.

ff.  Warm Water Fishery - A water body which is managed
by  the  Wyoming Game and Fish Department primarily for
one   or   more   of   the   following   species:  Bass
(Micropterus);  Catfish  (Ictalurus punctatus); Crappie
(Pomoxis);  Ling (Lota lota); Perch (Perca flavescens);
and Sunfish (Lepomis).

gg.  Wyoming  Surface  Waters  -  Shall  have  the same
meaning  as  "surface  waters  of the State" defined in
Section 2.cc.

hh.  Zone  of  Passage - A continuous water route which
joins  segments of a surface water body above and below
a mixing zone without passing through the mixing zone.

"Applicant   means  any  person  who  has  applied  for
permission to discharge wastes.

"Grantee"  means any person who has received permission
from   Environmental   Quality   Commission   for  such
discharges.

"Person"   also   includes   any   industry,  business,
village,  district, the territory, or any department or
agency thereof.

"Coastal  waters"  includes  all  oceanic and estuarine
waters within a 12 mile limit of shore.

"Best  practicable treatment or control" is that degree

             -141-

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                        of  treatment  for municipal or industrial wastes found      <'
                        necessary  to  meet  the  requirements  of  the Federal
                        Water   Pollution  Control  Act,  as  amended,  and  to      *j
                        provide  the  water  quality  required  to  protect the       I
                        classified uses of the receiving water.

                        "Receiving  water"  is that stream, aquifer, or body of       {
                        water receiving a discharge in any physical form.

                        "Standards   of   water  quality"  and  "Water  Quality
                        Standards"  are  herein  defined  to be synonymous with
                        the  meaning  of "Water quality criteria" as defined in
                        the Federal Water Pollution Control Act, as amended.

                        "Primary  contact waters for recreational purposes" are
                        those   waters   where  such  activities  as  swimming,
                        wading,  water  skiing,  surfing,  and other activities
                        occur  and  in  which  there  is prolonged and intimate
                        contact  with  the water involving considerable risk of       ,
                        ingesting  water  in  quantities  sufficient  to pose a     ,  j
                        significant health hazard.                                    '

District of52           Bacteria - A group of test organisms which are used as
  Columbia              indicators  of  the  sanitary  quality  of  the  water.
                        Fecal  coliform  bacteria is the specific test organism
                        selected  by the District of Columbus for this purpose.       ^
                        Bacterial   concentrations   originate  primarily   from       j
                        municipal   waste   treatment   plants,   sanitary  and
                        combined    sewers,    storm   drains,   vessels,   and
                        agricultural wastes.                                        \  |
                                                                                      >
                        Criteria  -  Measurements  or  descriptions of instream
                        water  quality  used as guidelines in setting discharge
                        permit effluent limitations.

                        Degradation  -  A measurable deterioration  in receiving       >
                        stream  (beyond  a  prescribed  mixing  zone) of one or       j
                        more  of  the five (5) constituents or water quality for
                        which standards are designated herein.
                                                                             t
                        Dissolved  Oxygen   (D.O.)  -  The  oxygen dissolved  as  a
                        gas   in   sewage,   water,  or  other  liquid   usually
                        expressed  in  milligrams  per  liter   (g/1), parts per       i
                        million    (ppm),    or  percent  saturation.    Adequate       ',
                        dissolved  oxygen   levels  are  necessary   in waters  to     .  p
                        protect   fish  and  other  aquatic  life and  to  prevent       ,
                        offensive  odors.    Low dissolve  oxygen concentrations       j
                        are   generally   due    to   excessive  organic   solids      :-~'
                        discharged   as  a   result  of inadequately  treated  waste
                         (having   high  BOD);   excessive algae  growths may  cause       I
                        vastly   fluctuating dissolved  oxygen  levels, and  other       >•
                         factors   such  as  temperature and water movement  have  an
                         impact on dissolved oxygen levels.


                                      -142-

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                        Interstate  Waters  - To the extent they are vithin the
                        geographic  boundaries  of the District of Columbia the
                        following   waters  are  interstate  waters:    Potomac
                        River, Anacostia River, Rock Creek, and Oxon Run.

                        pH  -  The  index  of hydrogen ion activity, used as an
                        indication  of acidity or alkalinity in waters.  The pH
                        of  most  waters  ranges from 6.5 to 8.5, and most uses
                        of  water, such as aquatic life propagation, prosper at
                        these  levels.   In most cases, a pH outside this range
                        is  due  to  discharge of industrial wastes or decaying
                        organic vegetation.

                        Pollution  -  The addition of sewage, industrial wastes
                        or  other harmful or objectionable material to water at
                        a  concentration or in sufficient quantity to result in
                        measurable degradation of water quality.

                        Suspended  solids  -  Solids  that  either float on the
                        surface  of, or are in suspension in water, wastewater,
                        or  other  liquids,  and which are largely removable by
                        laboratory    filtering.      Also   referred   to   as
                        nonfilterable residue.

                        Sewage  -  (1) The water supply of a community after it
                        has   been  used  and  discharged  into  a  sewer,  (2)
                        wastewater    from   the   sanitary   conveniences   of
                        dwellings,  business  buildings,  factories  and  other
                        institutions.

                        Temperature  -  A measure of the heat content of water.
                        Vhile  stream  temperature  is  affected naturally, man
                        significantly  affects  it through the construction and
                        operation  of  dams and the discharge of cooling waters
                        from    industrial    processes,   particularly   power
                        generation.

                        Toxic  Materials  -  Materials  which  are  harmful  to
                        human,  plant,  animal  or  aquatic  life.    These may
                        include   hundreds  of  compounds  present  in  various
                        waters  such  as  industrial waste discharges or runoff
                        from where pesticides have been applied.
    53
Guaa                    "Adversely  affect*1  shall mean damage to the waters of
                        the Territory that results in any of the following:
                                       i
                          1.  substantial increase in abundance or distribution
                        of  any  species  not  representative  of  the  highest
                        community  development  achievable  in receiving waters
                        of comparable quality;

                          2.  a  substantial  decrease  of  formerly indigenous
                        species;


                                     -143-

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  3.  change(s)  in  community  structure to resemble a
simpler  successional  stage  than  is  natural for the
locality and season in question;

  4.  unanesthetic  appearance,  odor  or  taste of the
waters; -                                                    '1

  5.   elimination   of  an  established  or  potential
economic or recreational use of the waters;                   t

  6.  reduction  of  the  successful completion of life
cycles   of  indigenous  species,  including  those  of
migratory species; and
                                                              I/
  7.  substantial  reduction of community heterogeneity
or trophic structure.                                         j

"Aquifer"   shall   mean  a  water-bearing  stratum  of
permeable rock, sand, or gravel.                              «.

"Best   pollutant  removal  or  control"  shall  mean  a
feasible  process  which,  as  demonstrated  by general
use, • demonstration  process or pilot plants represents
good  engineering  practice  at  reasonable cost at the
time a  discharge permit is issued by  the-Agency.

"Coastal    water"    includes    "near-shore   waters"       [
"off-shore watersj" and "estuaries."

"Conservation"  means  planned  management of a natural       I
resource  to prevent destruction or neglect.

"Direct  rapid  movement"  shall  mean   the movement of       f
effluent   through  the  soil and underlying rock strata
in  such  a manner  that pollutants which  would adversely
impact  on  the   designated uses of  the  receiving  water       i
are not removed.                                              I

"Discharger"   shall  mean  any person   who  emits any
wastewater,   substance,  or material  into  the waters of.
the Territory*   vhether   or   not such substance causes       >
pollution.

"Effluent"  shall mean  any   point   source  wastewater       [
.discharged directly  or   indirectly   to  waters of  the
Territory  or  to any storm  sewer,  and  the  runoff from       i
land    used    for  the  disposition   of  solid  wastes,       j
wastewater, or sludges.

 "Effluent  limitation"   shall  mean   any restriction  or       {
prohibition  established   under  Territorial or  Federal      ..>
Law  including,   but   not   limited   to,   parameters for
 toxic    and    non-toxic    discharges,    standards   of
performance   for   new   sources,   or  ocean  discharge       )

              -144-
                                                              . '

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criteria.    The  restrictions  or. prohibitions  shall
specify   quantities,   rates,  and  concentrations  of
chemical,  physical, biological, and other constituents
which are discharged to the waters of the Territory.

"Equivalent  to  (secondary treatment)" shall mean that
process  or  group  of  processes  achieving  a maximum
practicable  removal  of  solids,  oils, grease, acids,
alkalis,   toxic   materials,   bacteria,   taste   and
odor-causing    materials,    color   and   any   other
objectionable   constituents   contained  in  untreated
wastes  to  produce  an effluent equal to that obtained
from  secondary treatment facilities in current use for
any specific category of industrial waste.
                                                «
"Estuary"   shall   mean  that  region  of  interaction
between  near-shore  waters  and  rivers  within  which
tidal  action  and  river  flow  bring  about mixing of
fresh and salt water.
n
 Higher  degree  of treatment" shall mean any physical,
biological  and/or chemical method directed at removing
a  specified portion of the remaining pollutants before
and/or after secondary treatment.
n
 Hydrologic  cycle"  shall  mean  that  natural  system
dealing   with   the   properties,   distribution,  and
circulation  of  water  on  the surface of the land, in
the soil and underlying rocks, and in the atmosphere.

"Lethal  Concentration  - 50 percent (LC50)" shall mean
that  concentration  of  a  toxic substance in water in
which  50  percent  of  a  species  of aquatic organism
survives for a given time period.

"Line  of  Mean High Water" shall mean the shoreline as
indicated  on the 1:24,000 Series (Topographic) Maps of
the  Island  of  Guam  prepared  by the U.S. Geological
Survey.
                                                     r
"Marine  sanitation  device"  shall  mean any equipment
for  installation on any vessel or water craft which is
designed   to  receive,  retain,  treat,  or  discharge
sewage  or  other  pollutants  or  any process to treat
such sewage, or other pollutants.

"Mixing  zone" shall mean the area or volume of a water
body  within  which effluent(s) shall become physically
mixed   with   the  receiving  waters  through  initial
dilution.    Initial  dilution  is  the process through
which   the   wastewater  immediately  mixes  with  the
receiving  water  due  to  the  momentum  of  the waste
discharge  and  the  difference  in density between the
discharge  and  the receiving water.  The total area or

             -145-

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volume  of  water  designated as a mixing zone shall be      l
limited   to   that  area  or  volume  which  will  not      ,
interfere  with  biological  communities or populations      r
of  important  species to a degree which is damaging to      '
the  ecosystem  and  which  will  not cause substantial
damage  to  or  impairment  of  designated  water  uses     ^ >
within  the  mixing  zone  or in surrounding waters.  A       j
mixing  zone  shall  be considered designated -only when
approved  by  the  Guam Environmental Protection Agency      ,
and when concurrence of the U.S. EPA has been received.      1

"Natural  conditions"  shall  mean  conditions  free of
substances  or  conditions  or  the combination of both      i
attributable  to  domestic,  commercial  and industrial      '
discharges,  or  agricultural,  construction  or  other
land-use practices.

"Near-shore  waters"  shall  mean  all  coastal  waters
lying  within  a  defined reef area; all coastal waters      .
of  a  depth of less than ten fathoms (60 feet) and all
coastal  waters greater than 10 fathoms up to 1000 feet
off-shore where there is no defined reef area.

"New  source"  shall  mean  any wastewater sources, the      I
construction  of  which  is  commenced  on or after the
effective date of these standards.                           '\

"Off-shore   waters"  shall  mean  all  coastal  waters
beyond  the  limits  defined for "near-shore waters" to
the  Territorial  Limit  as recognized by International      [
Law.

"Permit"   shall  mean  a  permit  issued  pursuant  to      f
Section 57045 of the Water Pollution Control Act.            J

"Pollution"  shall mean the alteration of the physical,      >
chemical,  or  biological  properties  of any waters of      f
the  Territory  which  renders  said  waters harmful or
detrimental  for  their  most beneficial uses adversely  .
and  unreasonably  impair  the  water  quality  of  the
Territory,  or  which  renders said waters hazardous to
human  health  or harmful or detrimental for  their most
beneficial uses.                                              )

"Point  source"  shall  mean  any discernible, confined
and  discrete conveyance including, but not limited to,       j
any   pipe,  ditch,  channel,   tunnel,  conduit,  well,      .[.
discrete    fissure,    container,    rolling    stock,
concentrated  animal   feeding  operation,  or vessel or       .
other  floating  craft,  from  which pollutants are nor       I
may  be discharged.

"Potable   water  resources"   shall  mean  waters of  the       j
Territory  actually  used  or   intended for use for  the      J

             -146-                                            1

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 purpose   of   furnishing  water   for .drinking  or  general
 domestic  use.

 "Receiving   water(s)"   shall   mean  water(s)   of  the
 Territory into  which wastes  or  wastewaters are,  or may
 be,  discharged.

 "Schedule of compliance"  shall  mean   a schedule of
.remedial   measures   and  times including an enforceable
 sequence   of   actions   or   operations  leading  to
 compliance with any  control   regulation or effluent
 limitation.
 "Secondary treatment"   shall mean the following degree
 of pollutant  removal:

 1. Biochemical oxygen demand  (five-day).

  a.   The arithmetic  mean   of  the values for effluent
 samples   collected   in   a period of 30 consecutive days
 shall  not exceed 30  mg/1.

  b.   The arithmetic  mean   of  the values for effluent
 samples   collected   in   a  period  of seven consecutive
 days shall not exceed 45 mg/1.

  c.   arithmetic mean  of   the values  for effluent
 samples   collected   in   a period of 30 consecutive days
 shall  nor exceed 15 percent of the arithmetic  mean of
 the    values   of   effluent   samples    collected •  at
 approximately the   same times  during  the sane period
 (85  percent removal).

 2. Suspended  solids

  a.   The arithmetic  mean   of  the values for effluent
 samples   collected   in   a period of 30 consecutive days
 shall  not exceed 30  mg/1.

  b.   The arithmetic  mean   of  the values for effluent
 samples   collected   in   a  period  of seven consecutive
 days shall not exceed 45 mg/1.

  c.   The arithmetic  mean   of  the values for effluent
 samples   collected   in   a period of 30 consecutive days
 shall  not exceed 15 percent of the arithmetic  mean of
 the    values   for    influent   samples    collected  at'
 approximately the   same times  during  the same period
 (85  percent removal).

 3. Fecal  coliform bacteria.

  a.   The arithmetic  mean   of  the value for effluent
 samples   collected   in   a period of 30 consecutive days
 shall  not exceed 200 per 100  ml.

              -147-

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Puerto Rico
           55
                          b.  The  arithmetic  mean of the values for effluents
                        samples  collected  in  a  period  of seven consecutive
                        days shall not exceed 400 per 100 ml.

                        4.  pH.  The effluent values for pH shall remain within
                        the limits of 6.0 to 9.0.

                        -"Toxic  shall -mean lethal, tertogenic of mutogenic, or
                        otherwise, damaging to man or other living organisms.

                        "Vastewater"  shall  mean  sewage, industrial waste, or
                        other  waste,  or  any  combination  of  these, whether
                        treated of untreated, plus any admixed land runoff.

                        "Zone  of  passage10 shall mean a continuous water route
                        which  joins  segments  of  a river, stream, reservoir,
                        estuary,  or  channel above, below, or around, a mixing
                        zone.    As  a  minimum  no  less than one-third of  the
                        cross  section  of  the water body shall be retained in
                        compliance with the water quality criteria.
                        PUERTO RICO DEFINITIONS

                        Acute  Bioassay  -  Toxicity test designed  to determine
                        if  the  response  to  a  stimulus,  such   as  a   total
                        effluent,  specific substance or combinations of  these,
                        has  sufficient  severity to induce a detectable  effect
                        in  an  organism  during  a period of 96 hours or less;
                        even  if  said  effect  is not necessarily  the death of
                        the  organism.   The acute bioassays shall  be performed
                        according  to  the procedures described in  "Mixing Zone
                        and Bioassay Guidelines" approved by the Board.

                        Acute   Effect  -  Organism  response  to   a  stimulus,
                        detected  during  £in  acute  bioassay  that comprises a
                        stimulus   of   such  severity  that  induces  a   quick
                        response.    In  toxicity  tests,  an acute response is
                        considered  to  occur  in a period of 96 hours or les,s.
                        An  acute effect can take place through events that not
                        necessarily involve the death of the organism.

                        Acute  Toxicity  Units - The reciprocal of  the effluent
                        dilution  that  causes an acute effect by the end of an
                        acute   exposure   period,  obtained  during  an   acute
                        'lioassay as defined by the following equation:
                                         TUa =
                                                100
                                                LC
                                                 50
                         (The  LCc0   is expressed as  the percent  (X)  of  effluent
                         in  the dilution water).
                                     -148-

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Agent  -  Ail   the   factors,  including  light  and  heat,
which  cause  or  could  cause,  induce or could  induce,
produce   or    could  produce,    influence    or  could
influence,  help  or could help to cause variations  or
alterations in  organisms or in  the environment.

Background   Concentration   -    Existing    biological,
chemical,  or - physical  characteristics  in  a  body  of
water.    For   mixing  zones, a  point one hundred  (100)
meters  upstream from the limit  of the mixing  zone will
be  used for monitoring, or at  the location  approved  by
the  Board  by  mutual  agreement  with  the  petitioner,
based  on  the  details  of  each  individual case.  The
value   of   the   background    concentration  will   be
determined  according  to the procedures established  by
the  "Mixing  Zone and Bioassay  Guidelines"  approved  by
the Board.

Benthic  Species  -  Organisms that inhabit on, over,  or
in  the  bottom  of  the water body; live adhered to the
bottom or crawl over the bottom.

Best  Engineering Practices - Use  of the most  effective
procedures,  methods,  techniques,  and/or equipment  to
efficiently  attain  the desired objective at  a  minimum
economic, human and  environmental  cost.

BioaccuBulative  Agent  - Agent which is assimilated  by
organisms,   but   is  not  metabolized  and   shows   an
elimination  rate  much  lower   than  its  accumulation
rate,  so  that  its  total  content  tends  to increase
during the life of the affected organisms.

Bioassay  -  Toxicity  test  to  determine the acute  or
chronic  response  of  living organisms to an  effluent,
specific  substances or combination of these,  performed
according  to  procedures described in the "Mixing Zone
and  Bioassay  Guidelines", approved by the Board.  The
representative  organisms  to  be used must be approved
by the Board prior to the test.

Carcinogenic  Agent  -  Agent  that  produces  metabolic
alterations  in  cells,   prompting  their  uncontrolled
growth.

Chronic  Bioassay - Toxicity test designed to  determine
if  the  response  to  a  stimulus  such  as,  a   total
effluent,  a  specific  substance,  or  combination   of
these  has  sufficient  severity   to induce a  long-term
effect  that  could  linger  for up to one-tenth of the
life  span  of the organism.   A chronic effect could  be
lethality,  growth   rate  reduction,   reproduction rate
reduction,  etc.  A chronic bioassay shall be  performed

             -149-

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according  to  procedures described in "Mixing Zone and
Bioassay Guidelines", approved by the Board.

Chronic  Effect  -  Organism  response  to  a stimulus,
detected  during  a  chronic bioassay, that comprises a
stimulus-  that  lingers  or  continues for a relatively
long  period  of  time,  which could be of the order of
.one-tenth  of the life span of the organism used in the
test.    A chronic effect could imply lethality, growth
rate reduction, reduced reproduction rate, etc.

Chronic  Toxic  Unit  -  The reciprocal of the effluent
dilution  that  causes  no  unacceptable  effect on the
test  organisms  by  the  end  of  the chronic exposure
period,  obtained during a chronic bioassay, as defined
by the following equation:


                   TUc-™
                         NOEC

(The  NOEC  value  should  be expressed in terms of the
percent (X) of the effluent in the dilution water).

Closed  Body  of  Water  -  All  surface  water bodies,
groundwater  and  coastal  waters  that  are  not  open
coastal waters.

Criteria  Continuous Concentration (CCC) - EPA national
water  quality  criteria recommendation for the highest
instream  concentration of a toxicant or an effluent to
which  organisms  can  be  exposed indefinitely without
causing an unacceptable effect.  It is equal to:
                 CCC m 1.0 TUc
Criteria  Maximum  Concentration   (CMC)  - EPA national
water  quality  criteria recommendation  for  the highest
instream  concentration of a  toxicant or an  effluent  to
which  organisms   can  be exposed  for a  brief period  of
time without  causing mortality.  It  is equal to:
                  CMC  * 0.3 TUa

 Critical   initial  Dilution   -   Minimum   dilution  to  be
 determined   by  means  of  the  use  of  a  mathematical  model
 to   be  approved   by   the  Board,   and according  to  the
 procedures   described in  "Mixing  Zone   and   Bioassay
 Guidelines",  approved by the Board.
              -150-

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Diffuser  -  Structure vhich is connected  to or  is part
of  a  submerged  outfall provided vith ports and whose
function  is  to  reduce the diameter of the outfall  in
order  to increase the effluent exit velocity to obtain
a better dilution in the receiving body of water.

Dilution   -   Dilution   is   the   reduction   of  the
concentration   of   a  substance  by  mixing  it  vith
ambient  waters,  and  will be defined by  the following
equations.:

  a.  Volumetric Dilution


              D - Ve + Vd/Ve


       where;

       D  - Dilution
       Ve - Effluent volume
       Vd - Dilution volume

  b.  Flow Dilution


              D - Qe + Qd/Qe


       where;

       D  ~ Dilution
       Qe » Effluent flow
       Qd » Dilution waters flow

  c.  Concentration Dilution


              D - Ce - Ca/C - Ca
                                                      r

      where;

      D  - Dilution
      Ca » Background concentration
      Ce * Concentration of the pollutant in the
           discharge
      C  * Final concentration of the pollutant
           after dilution.

Dilution   shall   be   determined   according   to  the
procedures  described  in  "Mixing  Zone  and  Bioassay
Guidelines" approved by the Board.


             -151-

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Discharge   Length  Scale  -  The  square-root  of  .the
cross-sectional area of any port in an outfall.

Drinking  Water  Source - Extraction of water for human
or livestock consumption.

Dye  Tests  -  Tests  which  are performed by injecting
dyes  .into  any point of a discharge or a body of water
.to  determine the origin, the direction of the flow and
the intermediate or final fate.

EPA - U.S. Environmental Protection Agency

LCcQ  -  The  pollutant  concentration  in  a  bioassay
killing  50%  of  exposed  organisms  during a specific
period  of  observation,  expressed  in  terms  of  the
effluent percent in the dilution water.

Local  Vater  Depth  - The depth at the point where the
diffuser  of  an  outfall  is  located  under  low  tide
conditions,   for   ocean   outfalls;   or   low    flow
conditions, for surface water discharges.

Mixing   Zone   and  Bioassay  Guidelines  -  Technical
guidelines   developed  by  the  Board  which  describe
procedures,  methods,  models, techniques and organisms
to  be  used to calculate the initial dilution; perform
chronic  and acute bioassays; to collect field data, or
to   establish  the  natural  background  concentration
value,  as  required to verify compliance with inherent
mixing  zone conditions.  These Guidelines are based on
the  following  EPA  publications:   "Technical Support
Document  for  Vater  Quality Based Toxics Control" and
"Users  Guide  to  the  Conduct  and  Interpretation of
Complex  Effluent  Toxicity  Tests  at Estuarine/Marine
Sites".   The guidelines will be revised, in accordance
with  updated  versions  of  these  documents  or other
documents  released  by  EPA  which directly impact the
guidelines  in effect at the time of publication of the
final document.

Mixing  Zone - Tridimensional space in a receiving body
of   water   where   the   discharge  is  diluted  with
surrounding  waters,  which  has been defined according
to  Article  5  of  this  Regulation.  Applicable water
quality  standards,  the CCC and the CMC are met at the
boundary of the mi>ing zone.

Hutagenic   Agent   -   Agent   that   induces  genetic
variations  due  to drastic changes in the organization
of the genes in a chromosome.

Natural  Background  Concentration  -  The  biological,
physical  and  chemical  characteristics  existing  in a

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vater  body  that  is not affected by point or nonpoint
dischargesi   as  determined  by  field  studies  whose
content  and  extension  shall  be defined according to
"Mixing  Zone  and  Bioassay Guidelines", and according
to   the   agreements   betveen   the   Board  and  the
petitioner,  based  upon  the details of each case when
problem?   arise   in   the   implementation   of  said
Guidelines.

NOEC  (No  Observed Effect Concentration) - The highest
measured  continuous  concentration of an effluent or a
pollutant  that  causes  no  detectable  effect  on  an
organism used in bioassays.
                         *
Objectionable  Odor  - Odor considered offensive by the
consensus  of at least five (5) persons, elected by the
Board,  vhen exposed to it.  The odor emitted by trees,
shrubs,  plants,  flovers,   grass,  domestic gardening,
and  agricultural  processes and the use of fertilizers
(except  for  the use of sugarcane wastes), will not be
considered objectionable.

Open  Coastal  Waters  - All the coastal waters, except
bays  and estuaries, with formations that significantly
mitigate the direct impact of the vaves on the shore.

Outfall  - Pipe or conduit which conveys an effluent to
a receiving body of vater.

Pelagic  Species  -  Organisms that have the ability of
self  locomotion  and can overcome the currents.  These
organisms  can  be  found anywhere in the water column,
near  the  surface,  the bottom or at any point between
the surface and the bottom.

Persistent   Agent   -   An  agent  which  degrades  or
decomposes  slowly,  biologically or chemically, in the
natural environment.

Plankton!c  Species  -  Marine  organisms  that  mainly
inhabit  the  surface  of  the receiving body of vater.
Their   main   characteristic  is  that  they  can  not
overcome   the   currents   even   if  they  have  self
locomotion.

Point  of  Discharge  -  Point  where  the  effluent is
discharged,  treated  or  untreated, before mixing with
the receiving vater.

Port - Orifice of the diffuser-

Receiving  Body  of  Vater  -  Surface  waters, coastal
vaters   or   groundvater   vhere   the   discharge  of
pollutants occurs.

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                        Saapling  Point  -  Point determined by  the Board or by       Jj
                        EPA  where  samples  are  taken   to evaluate compliance       [
                        vith  federal  NPDES  permits  issued by EPA or permits
                        issued by the Board.                                          H

                        Significant  Public  Health  Risk -  Contingency  of a
                        direct  or  indirect:  injury   to  human veil being.  The
                        hazard  of the occurrence of an acute or chronic effect
                        on  the health including (but  not limited to) diseases,
                        epidemics, mutation:; or deformations in humans.

                        Submerged  Outfall  -  Pipe or conduit which conveys an       \
                        effluent  to the discharge point  in a receiving body of
                        water.    The  pipe  or  conduit  is  located along the       ,
                        bottom of the waterbody.

                        Synergistic  Effect  -  Occurs when  two  (2)  or more
                        substances,  which  in  the  original  state  could  be
                        harmless,  react  to  each  other and cause a toxicity
                        which  is  greater  than  the  sum  of   the  individual
                        toxicity of each substance.                                   j

                        Teratogenic  Agent  -  Agent which induces anomalies in
                        the fetal development.                                        t

                        Toxic  Substances  -  Those  substances or combinations    -
                        thereof,  including disease causing agents, which after
                        being  discharged  and after their exposure, ingestion,
                        inhalation  or  assimilation   by  any organism, directly
                        from   the   environment  or   indirectly  by  means  of
                        ingestion  through  the  food  chain; can be the cause,
                        based  on  the available information to  the Board or to
                        EPA,  of  death,  illness,  abnormal  behavior, cancer,
                        genetic     mutation,     physiologic    malfunctioning       ,
                        (including  malfunction  in  reproduction), or physical
                        deformations, in said organisms on their descendants.         '

                        TUa - See acute toxic unit definition.

                        TUc - See chronic toxic unit definition.
Trust Territories        (a)  "Near-shore waters" means:
                           (1)  All   coastal  waters  lying within a defined  reef
                        area;

                           (2)  All   coastal  waters  of a depth  of less  than ten
                        fathoms  (60  feet);

                           (3)  All coastal waters greater than  10 fathoms up to
                        1,000  feet   offshore  where  there   is no defined  reef
                        area.

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                        (b)  "Off-shore waters" means all coastal waters beyond
                        the limits defined for "near-shore waters."

                        (c)  "Coastal  waters"  includes  "near-shore  waters",
                        "off-shore  waters", and those brackish, fresh and salt
                        waters  that  are  subject  to  the ebb and flow of the
                        tide.

                        (d)  "Best practicable treatment or control" is defined
                        herein as not less than:

                          (1)  Treatment in accordance with national guidelines
                        for   discharge   into  off-shore  waters  —  provided
                        evaluation  of  water current patterns demonstrates the
                        effluent  will  not  be  brought  back  to the beach or
                        near-shore waters;

                          (2)    Secondary   treatment   for   discharge   into
                        "near-shore  waters"  provided that such discharge will
                        not  be  made in areas which are primary contact waters
                        for  recreational  purposes  or  will  not be made into
                        areas   of   uni-que   value  into  which  it  has  been
                        determined no waste water effluent is acceptable;

                          (3)  Disinfection  comminuter  —  acceptable only on
                        emergency   basis  (period  3-6  months)  with  special
                        approval  of  the  Director  of  Health Services or the
                        Chairman of the Environmental Protection Board.

                        (e)  "Receiving water" is that stream, aquifer, or body
                        of water receiving a discharge in any physical form.
                             "Standards  of water quality" is herein defined to
                            synonymous  with  the  meaning  of  "water  quality
(f)
be
criteria"  as  defined  in
Control Act, as amended.
                                                    the Federal Water Pollution
Virgin Islands
              57
(g)  "Primary contact waters for recreational purposes"
are  those  waters  where  such activities as swimming,
wading,  water  skiing,  surfing,  and other activities
occur  and  in  which  there  is prolonged and intimate
contact  with  the water involving considerable risk of
ingesting  water  in  quantities  sufficient  to pose a
significant health hazard.

Not Specified
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