EPA-905/3-77-001
Do not WEED. This document
should be retained in the EPA
Region 5 Library Collection.
REPORT ON
TOXIC/HAZARDOUS ORGANIC COMPOUNDS IN THE
WABASH RIVER BASIN
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I REPORT ON
TOXIC/HAZARDOUS ORGANIC COMPOUNDS IN THE
WABASH RIVER BASIN
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JULY 1977
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U. S. ENVIRONMENTAL PROTECTION AGENCY
CENTRAL DISTRICT OFFICE
1819 WEST PERSHING ROAD
CHICAGO, ILLINOIS 60609
I : U.S. Environmental Protection Agency
Region 5, Library
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CONTENTS
Page
I Introduction 1
Purpose 1
Discussion 1
Background 1
Previous Reports 3
Point Source Discharges - Municipalities 4
Point Source Discharges - Industries 8
I " Point Source Data 12
Ambient River and Stream Data 29
Non-Point Source Organics Pollution 30
I ^ Carbon Fi 1 ter Data 30
£- Fish Data 30
| vr Sludge and Sediment Data 30
Public Drinking Water Supply Data 31
Conclusions and Recommendations 33
REFERENCES 36
APPENDIXES
| A - Excerpts from "Organic Chemicals in the Wabash and
Ohio River Basins, May - November 1974" Report 38
I B - Categories of Industries Used in Selecting Communities
* as Potential Dischargers of Toxic/Hazardous Organic
Chemicals 42
C - Wabash River Basin Toxic/Hazardous Organics
Ambient River Data, Point Source Data, and
Public Water Supply Data 43
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CONTENTS (Continued)
I APPENDIXES (Continued)
D - Public Water Supplies Utilizing Surface Water in
I Wabash River Basin - Indiana and Illinois 56
E - Excerpts from "Survey of Organic, Metal and Other
Inorganic Parameter Concentrations in Selected Region V
Drinking Water Supplies" 59
- GLOSSARY 81
' TABLES
I - Organic Compounds Found in the Wabash River (1971-72) 5
II - Picolines in the Wabash and White Rivers (1971-72) 6
I III - Indiana Industries Discharging Toxic/Hazardous Organic
Chemicals to Municipal Sewerage Systems (Wabash River
Basin) 13
I IV - Organics Discharged to Wabash River Basin 14
V - Summary of Point Source Discharges of Toxic/Hazardous
Organics 24
FIGURE
| I - Wabash Ri ver Basi n 2
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REPORT ON
TOXIC/HAZARDOUS ORGANIC COMPOUNDS IN THE
WABASH RIVER BASIN
PHASE I
Introduction
A study strategy was prepared in March 1976 for investigating
toxic/hazardous organic compounds in the Wabash River Basin. The
strategy proposed a three-phase implementation of the survey. This
document comprises Phase I of the study which was undertaken and
completed except for some special analytical work still in progress.
Over the past several years, organics sampling and analyses have
revealed widespread organics contamination in the basin including
plasticizers, synthetic organic compounds, pesticides, and PCBs.
Purpose
The purpose of this document is to gather, condense, and pre-
sent all available ambient and point source organics data in the
Wabash River Basin to generate an interim assessment of the problem
and provide input for programming further sampling, analyses, and
data evaluation.
Since resources will not be available for continuing the investi-
gations as outlined in the initial study strategy, subsequent work will
have to be planned, funded and conducted as part of on-going State and
USEPA water pollution control programs.
Discussion
Background
Pollution of the surface waters in the Wabash River Basin by
organic compounds has been documented prior to 1971 in Appendix F of
the Wabash River Basin Comprehensive Study 0). An outline of the
Basin is shown in Figure 1. The summary of the above study contains
the following statements: (pages xv and xix)
"...Problems from Industrial Wastewaters.o.
"(c) Pesticides. Very high concentrations of chlordane,
a pesticide, have been found in Mill Creek and a tributary
which drains a chemical industry at Marshall, Illinois.
Samples taken from the stream near the plant on 31 May 1968,
showed chlordane concentrations of 11 micrograms per liter
in the water and 112,000 to 173,000 micrograms per kilogram
of air-dried bottom muds, even though the industry has
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.MJ.CJU.G AN
CHAMPAIGN-
URBANA
FORT WAYNE
LOUISVILLE
SCALE IN MILES
CINCINNATI
WABASH RIVER BASIN
TOTAL DRAINAGE AREA 33.100 SO. Ml.
FIGURE I
COURTESY ILL. STATE WATER SURVEY DIVISION AND IND. FLOOD CONTROL AND WATER RESOURCES COMM.
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installed a deep-well disposal system for toxic wastes.
A continuing monitoring program is needed on Mill Creek.
"...Agricultural Contributions to Water Pollution...
11 (c) Pesticides. At present, not enough data are avail-
able to determine more than the existence of an agricultural
pesticide problem in the basin, certainly not its extent nor
severity. Chlordane and dieldrin were detected in water
samples from four small rural Indiana watersheds. Dieldrin
has been detected in the Wabash River at New Harmony."
In addition, the same study recommended [page xxi), "That the
present (1971) water quality monitoring systems of the Wabash River
Basin be expanded to include ... a more extensive pesticide monitor-
ing program ... and ... studies of unforeseen specific problems that
may arise in the future."
Sophisticated analytical techniques which have been developed
during the past few years have revealed the presence of a host of
complex organic compounds in the environment which are either
hazardous and/or toxic, or potentially so. Some of the compounds
such as PCBs, have only recently been discovered in the environment
although the compounds have been used commercially for many years.
Toxicity of such compounds remains to be fully evaluated. Many of
these compounds have been detected in the Wabash River Basin, either
under ambient conditions or as constituents of point source discharges.
This report does not intend nor purport to imply that the Wabash
River Basin is the only basin in the United States which has extensive
organics contamination. In fact, other basins may have significantly
more organics contamination depending on location with respect to and
concentration of industrial complexes. This report was written because
it was felt that the concentrations of organics found in the Wabash
River Basin were of sufficient magnitude to warrant concern.
However, it should be pointed out that, for the compounds mentioned
and discussed in this report (see Glossary and Tables IV and V), whereas
toxicity data have been developed for exposure to test animals, such
levels have not been established for humans. It is not the purpose of
this report to assess nor extrapolate human toxicity levels for any of
the compounds discussed herein.
Previous Reports
One of the early studies of specific organic chemical identifi-
cation in the Wabash River Basin was performed by the Indiana District
Office of the USEPA and was presented in a report by Robert D. Kleopfer
(2).
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This study revealed the presence of the organic chemicals shown
in Table I.
The picoline data was quantified and is presented in Table II.
The concentration of 160 yg/1 in the Indianapolis Belmcnt Street
plant effluent represents a very significant loading of 130 Ibs/day
to the White River. The source(s) of picolines being discharged to
the White River needs further investigation and verification.
Another organic chemical study was undertaken by the Indiana
District Office, USEPA, from May through November 1974. The results
were presented in a preliminary report, "Organic Chemicals in the
Wabash and Lower Ohio River Basins, May-November 1974" by Michael H.
Birch (3)o Excerpts from the results of this study for the Wabash
River Basin are presented in Appendix A. The report found widespread
organic chemical contamination in the Wabash River Basin.
As part of a reconnaissance study on environmental levels of nitro-
samines in the Central United States, still another study was performed
by USEPA, INDO and Denver NEIC of nitrosamines in the discharges from
Eli Lilly and Company, Lafayette, Indiana from September through December
1976 (8). As nitrosamines are associated with certain chemical produc-
tion processes at Eli Lilly, it was suspected that the plant discharges
might contain such compounds. This study together with subsequent testing
has confirmed that nitrosamines are present in the two major discharges,
001 and 002. Control of the nitrosamine discharges has been initiated
through the NPDES permit modification process.
Point Source Discharges - Municipalities*
The following "major" municipal wastewater treatment plants in
the Wabash River Basin were determined to be either known or potential
discharges of toxic/hazardous organic chemicals. These were determined
primarily based on available data and/or what types of industries were
located in or close to the cities in question. Types of industries and
potential for organic chemical discharges were determined from "Work-
sheets for Potential Organics Dischargers in Indiana" (4), "Directory
of Chemical Producers U.S.A." (5), "Illinois Manufacturers Directory"
(6), and "The Indiana Industrial Directory" (7). The critical categories
used to determine potential toxic/hazardous industrial dischargers are
presented in Appendix B. The following municipal wastewater treatment
plants are classified as "major" dischargers for NPDES permit program
purposes.
(Continued on Page 7)
*Listing may not be complete. Subject to verification.
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ORGANIC COMPOUNDS
COMPOUND
Picolines
Acenaphthene substituted with
two saturated carbons
Methyl naphthalene
Toluene
Benzene substituted with
two saturated carbons
Benzene substituted with
three saturated carbons.
Benzene substituted with
four saturated carbons.
Naphthalene substituted with
three saturated carbons
Acenaphthylene
n-Nonane
n-Decane
n-Undecane
n-Dodecane
Ethyl phenol
Caffeine
Several unidentified
hydrocarbons
TABLE I
FOUND IN THE WABASH RIVER
(1971-72)
COMMENTS
Used as solvent;
intermediate in the dye
and resins industries.
An aromatic hydrocarbon.
An aromatic hydrocarbon.
An aromatic hydrocarbon.
Xylene, ethyl benzene. Aromatic
hydrocarbons.
Aromatic hydrocarbons.
Aromatic hydrocarbons.
Aromatic hydrocarbons.
An aromatic hydrocarbon.
A saturated hydrocarbon.
A saturated hydrocarbon.
A saturated hydrocarbon.
A saturated hydrocarbon.
A potential taste and odor
causing compound.
An alkaloid found in coffea,
tea, and soft drinks.
Probably from petroleum or
petroleum products.
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TABLE II
PICOLINES IN THE WABASH AND WHITE RIVERS
(1971-72)
Sample Location Date Picoline
Wabash River
Wabash River
Wabash River
White River -
Indianapolis
Indianapolis
Speedway STP
* 4 yg/1 was
Greathouse
Picolines
the Mount
Found (pg/1)
- New Harmony 12/6-20/71 2
- Mount Carmel* 1/20/72 4
- Vincennes** 1/21/72 <2
U.S. 41 1/21/72 17
STP #1 (Belmont) 1/25/72 160
STP #2 (Southport) 1/25/72 <10
1/25/72 <10
found in the sample taken 100 yards upstream from
Creek in mixing zone of Wabash and White Rivers.
were not detected (<2 yg/1 ) in a sample taken at
Carmel water intake.
** Above confluence of White and Wabash Rivers.
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Indiana
Anderson
Bedford
Beech Grove
Bloomington (South Plant)
Bluffton
Columbus
Crawfordsville
Elwood
Frankfort
Franklin
Greenfield
Greensburg
Huntington
Indianapolis
Indianapolis
Jasper
(Belmont Plant)
(Southport Plant)
Illinois
Charleston
Danville
Effingham
Mattoon
Kokomo
Lafayette
Lawrence
Logansport
Marion
Muncie Sanitary District
New Castle
Noblesville
Peru
Plainfield
Princeton
Seymour
Shelbyvi lie
Terre Haute
Tipton
Mount Carmel
Paris (South Plant)
Rantoul (East Plant)
Urbana-Champaign (Northeast
Plant)
In addition to the above, the following list of "minor" wastewater
treatment plants was developed in like manner. It should be emphasized
that these are "minor" dischargers as defined under the NPDES permit
program, not necessarily in terms of their potential toxic/hazardous
chemicals discharges.
Indiana
Acton
Akron
Albany
Alexandria
Andrews
Attica
Bloomington
Bourbon
Brazil
Brownstown
Burket
Carthage
Churubusco
Clinton
Covington
Edinburg
Gosport
Hartford City (East Plant)
Huntingburg
Lagro
Laketon
Lebanon
Leesburg
Linton
Lynn
Matthews
McCordsville
Medora
Midland
Mitchell
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Indiana (Continued)
Montpelier
Morristown
New Augusta
Newport
North Manchester
North Webster
Oakland City
Portland
Redkey
Rockville
Rushville
Shelburn
South Whitley
Spencer
Sullivan
Union City
Upland
Veedersburg
West Baden Springs
Westfield
Winamac
Winchester
Worthington
Zionsville
Illinois
Carmi
Fairfield
Flora
Hoopeston
Lawrenceville
Marshall (East Plant)
Marshall (West Plant)
Olney
Paris (North Plant)
Paxton
Robinson
Tuscola (North Plant)
Tuscola (South Plant)
State of Indiana and USEPA sampling surveys have verified the
fact that five Indiana industries are discharging various toxic/
hazardous organic materials to municipal systems. These data are
presented in Table III. Unfortunately, only one of these STPs, Bloomington
South, has been tested to verify the presence of the organics being dis-
charged to the Wabash River Basin. In the case of Bloomington South STP.
PCBs were verified in the effluent at a level of 19-33.9 yg/1 as Aroclor
1242/1016. The source of these PCBs has been confirmed as Westinghouse
Corporation.
Compliance monitoring survey data for organics in municipal dis-
charges are discussed in a subsequent section.
Point Source Discharges - Industries*
The following "major" dischargers have been identified as known
or potential direct contributors of toxic/hazardous organic chemicals
to the Wabash River Basin. These are all major dischargers under the
NPDES permit program.
*Listing may not be complete. Subject to verification
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Indiana
Commercial Solvents, Terre Haute (IMC Chemical Group, Inc.)
Delta Faucet, Greensburg
Detroit Diesel Allison, Indianapolis (GMC)
Eli Lilly and Company, Clinton
Eli Lilly and Company, Lafayette
Extruded Alloys, Bedford
Industrial Liquid Waste Disposal, Columbus
Inland Container Corp., Newport
International Harvester, Indianapolis
Laketon Asphalt, Laketon
Mid-States Steel and Wire, Crawfordsville
Minnesota Mining and Manufacturing, Hartford City
Morgan Packing Company, Austin
01 in Corporation, Covington
Pfizer, Inc., Terre Haute
Weston Paper and Manufacturing Company, Terre Haute
Illinois
Cabot Corp., Tuscola
Flintkote Company, Mount Carmel
Marathon Oil Company, Robinson
Sparton Manufacturing Company, Flora
Texaco, Inc., Lawrencevilie
"major"
Additionally, the following power plants, all designated as
dischargers under the NPDES permit program have been known or are potential
dischargers of phenolics and/or PCBs:
Indiana
Crawfordsville Power and Light, Crawfordsville
Hoosier Energy, Petersburg
Indianapolis Power and Light, Petersburg
Indianapolis Power and Light, Stout
Indianapolis Power and Light, Pritchard
Indianapolis Power and Light, Perry K
Indiana-Michigan Electric, Breed
Logansport Electric, Logansport
Peru Electric, Peru
Public Service
Public Service
Public Service
Public Service
Indiana,
Indiana,
Indiana,
Indiana,
Noblesville
Edwardsport
Cayuga
Wabash
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Illinois
Central Illinois Public Service, Hutsonville
Central Illinois Public Service, Jasper County
Illinois Power Company, Vermilion County
In addition to the above "major" dischargers, the following
"minor" industrial and federal dischargers have been identified as
known or potential direct dischargers of toxic/hazardous organic
materials in the Wabash River Basin:
Indiana
Active Products, Marion
Alcoa, Lafayette
Allegheny Ludlum Steel Corp«, New Castle
American Hose Division, Lectron Products, Winchester
Anaconda Co., Wire and Cable Division, Marion
Anaconda Aluminum Co., Terre Haute
Anaconda Wire and Cable Co., Anderson
Baltimore and Ohio Railroad, Washington
Bohn Aluminum and Brass Corp., Greensburg
Bridgeport Brass Company, Indianapolis
CBS Records Division, CBS, Inc., Terre Haute
Celotex Corp., Lagro
Certainteed Products, Shelbyville
Chrysler Corp., Kokomo
Chrysler Corp., Indianapolis Foundry, Indianapolis
ConRail, Plainfield
Container Corp. of America, Carthage
Crane Naval Ammunition Depot, Crane
Cummins Engine Co., Columbus
Dal ton Foundries, Warsaw
Dana Corp., Churubsco
Datavue Products, Wabash
Delco Electronics Div., GM Corp., Kokomo
Delco Remy, Anderson
Dow Chemical Co., Zionsville
Eli Lilly and Company, Greenfield
Eli Lilly and Company, Kentucky Avenue Plant, Indianapolis
Eli Lilly and Company, McCarty Street Plant, Indianapolis
Emconite Division, Amerace Corp., Medora
Engineering Research, Inc., Indianapolis
Essex Castings, Columbus
Essex International, Andrews
Ethyl Visqueen Division, Ethyl Corp., Terre Haute
Ex-Cell-0 Corp., Elwood
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Indiana (Continued)
Federal Fertilizer Sales Corp., Peru
Firestone Industrial Products, Noblesville
FMC, Bearing Division, Indianapolis
Formica Corp., Frankfort
Futurex Industries, Bloomingdale
Gatke Corp., Warsaw
General Electric, Linton
General Electric Co., Shelbyville
General Tire and Rubber, Marion
General Tire and Rubber Company, Wabash
GM Central Foundry, Bedford
Grissom Air Force Base, Bunker Hill
Harrison Steel Castings, Attica
Hercules, Inc.,, Terre Haute
H. 0. Canfield Company, Seymour
Indiana Molding, Huntington
Indiana Steel and Wire, Muncie
Ingersoll Steel Division, Borg Warner Corp., New Castle
Ingram-Richardson, Inc., Frankfort
ITT Hoffman Specialty Manufacturing, Indianapolis
Johns-Manville Products, Alexandria
KCL Corp., Shelbyville
Kieffer Paper Mills, Brownstown
Kunkle Foundry Company, Andrews
L&N Railroad, Lafayette
Mallory Controls Division, P. R. Mallory & Company, Frankfort
Mid-States Rubber Products, Princeton
Morgan Packing Company, Brownstown
Newport Army Ammunition Plant, Newport
Norfolk and Western Railroad, Frankfort
Norplex Division, Universal Oil Products, Franklin
Overmyer Corp., Winchester
Penn-Dixie Steel Company, Kokomo
Plymouth Tube Division, Van Pelt Corp., Winamac
Potter-Brumfield Div., AMF, Inc., Princeton
P. Ro Mallory Co., Indianapolis
Radio Materials Company, Div. of P, R. Mallory, Attica
Rexham Corp., Edinburg
Rock Island Refining Corp., New Augusta
Robinson Industries, McCordsville
Rostone Corp., Lafayette
Ro Re Donnelly & Sons, Warsaw
Sheller-Globe Corp., Montpelier
Sheller-Globe Corp., Portland
Stellite Division, Cabot Corp., Kokomo
Sterling Casting Corp., Bluffton
S,U.S0 Die Casting, Logansport
Union Carbide, Indianapolis
Uniroyal, Indianapolis
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The toxic/hazardous organic chemicals evaluated in this study are pre-
sented in Table V in descending order of magnitude in terms of approximate
loadings in pounds per day. These are approximate orders of magnitude only,
_ since incomplete data exist in the first place, and since samples were not
I collected concurrently except for a few instances.
(Continued on Page 28)
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Indiana (Continued)
Vincennes Paper Mill, Vincennes
Wabash Alloys, Wabash
Warsaw Black Oxide Co., Burket
Western Electric Co., Indianapolis
Westinghouse Electric Corp., Muncie
Illinois
Allied Chemical Corp., Danville
American Can Company, Hoopeston
AMF, Inc., Olney
Anaconda Brass Div0, Anaconda Metal Hose, Mattoon
Bohn Aluminum and Brass, Danville
Briggs Manufacturing Div., Celot^x Corp., Robinson
Chanute Air Force Base, Rantoul
Federal Division, Unarco Industries, Inc., Paris
General Electric, Danville
General Electric, Mattoon
GM Central Foundry, Danville
Illinois Central Railroad, Champaign
Peterson/Puritan, Inc., Danville
Sparton Manufacturing Company, Flora
Velsicol Chemical Corp., Marshall
These lists were prepared using latest available guides, such as indus-
trial catalogs, NPDES permit listings, and chemical producer directories.
Some of these industries have been sampled and are known to discharge
toxic/hazardous organics. Others are potential sources, and are ranked
in order of significance. Still others which are probably discharging
such organics have been inadvertently omitted due to the inaccuracies and
lack of completeness of the reference materials at hand.
Point Source Data
Toxic/hazardous organic chemical data from point source dischargers
in the basin are presented in Table IV. These data were obtained from
USEPA compliance monitoring and special study reports, the Indiana State
Board of Health, the Illinois EPA, and in a few cases, NPDES permit appli-
cations and/or effluent limits. Additional point source data are presented
in Appendix C, extracted from Reference No. 3. In order to familiarize
readers with the organic compounds in this report, a glossary has been
prepared and is included following the Appendixes. The glossary was
prepared utilizing References Numbers 10-16.
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TABLE III
INDIANA INDUSTRIES DISCHARGING
TOXIC/HAZARDOUS ORGANIC CHEMICALS TO
MUNICIPAL SEWERAGE SYSTEMS
(WABASH RIVER BASIN)
Industry
GM Del co Battery
Thermoset Plastics
Thermoset Plastics
Westinghouse Corp.,
Westinghouse Corp.
Westinghouse Corp.
Westinghouse Corp.
Westinghouse Corp.
Westinghouse Corp.
Container Corp.
Chrysler Corp,
Location
Muncie
Indianapolis
Indianapolis
Bloomington
Bloomington
Bloomington
Bloomington
Bloomington
Bloomington
Wabash
New Castle
Organic (s)
Discharged
Aroclor 1248
Mi rex
Kepone
Aroclor 1242/1016
Aroclor 1254
Aroclor 1242/1016
Aroclor 1242/1016
Aroclor 1242/1016
Aroclor 1254
Aroclor 1254
Aroclor 1254
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Concen-
tration
(yg/D
1.17
3.0
6.0
80
0.343
2,600
4,900
220
0.65
0.744
4.27
Sampling
Date
5-20-76
10-28-76
10-28-76
1-22-76
1-22-76
3-11-76
4-29-76
12-7-76
12-7-76
8-25-76
8-10-76
Sampled
by
USEPA
USEPA
USEPA
USEPA
USEPA
ISBH
ISBH
ISBH
ISBH
ISBH
ISBH
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TABLE IV
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TABLE V
SUMMARY OF
POINT SOURCE DISCHARGES OF TOXIC/HAZARDOUS ORGANICS
Approximate
Total Amount
Discharged
1 From Sources
Tested
Rank Organic Compound (Ib/da)
1 Methyl amine ^675
12 Carbon disulfide M95
13 Cyanide 299-377
14 Isopropyl alcohol M46
15 Picolines M30
16 Tetrahydrofuran ^32
17 Phenol ics ^30
18 Dibutyl phthalate >28
1
(1/4)
Source(s) Tested and Comments
Commercial solvents, Terre Haute, IN
(only source tested)
Olin Corp., Covington, IN (only source
tested)
Cyanides may or may not be related to
discharge of organics. For example,
17.5-95.4 lb/da(company data showed
95.4 Ib/da) being discharged from
Eli Lilly, Clinton, IN, is known to
be due to breakdown of nitriles, since
no inorganic cyanides are used,, Four-
teen other Indiana and Illinois sources
were found, the largest being Indian-
apolis Belmont STP (211 Ib/da), and
Indianapolis Southport STP (52 lb/da)0
(18 sources tested)
Olin Corp., Covington, IN (only
source tested)
Indianapolis Belmont STP (found in
1972, not reconfirmed in 1974)o
(3 Indiana sources tested)
Olin Corp., Covington, IN
(only source tested)
Twenty-three Indiana and Illinois
sources were found, the largest being
Indianapolis Belmont STP (17 Ib/da),
and Texaco, Lawrenceville, IL
(5 Ib/da).
(35 sources investigated)
Twenty-six Indiana and Illinois
sources were found, the most sig-
nificant being Commercial Solvents,
Terre Haute, IN (25 Ib/da), and
Flintkote, Mt.Carmel, IL (2.75 Ib/da).
(27 sources tested)
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1
TABLE V
SUMMARY OF
POINT SOURCE DISCHARGES OF TOXIC/HAZARDOUS ORGANICS
Rank Organic Compound
9 Aroclor 1242/1016
10 Trinitrotoluene (TNT)
11 Di ethyl hexyl phthalate
(DEHP)
12 Phenanthrene
13 Aroclor 1254
14 Methyl ene Chloride
15 Total PCB
16 Nitrosamines
17 Treflan (trifluralin)
18 HMX
(Nitrated hydrocarbon)
Approximate
Total Amount
Discharged
From Sources
Tested
(Ib/da)
1.1-2.2
^1 .5
>1.38
^0.81
-vO.36
^0.23
M)ol4
MJ.14
^0.138
'v-o.ns
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(2/4)
Source(s) Tested and Comments
Four Indiana sources were found,
the most significant being Blooming-
ton, IN South STP (1.05-2.15 Ib/da)
(State data showed 2.15 Ib/da)
(See Table III for source of PCB)
(22 Indiana sources tested)
Crane Naval Ammunition Depot,
Crane, IN (two Indiana sources
tested)
Twenty-one Indiana and Illinois
sources were found, the most sig-
nificant being Indianapolis Belmont
STP (.49 Ib/da) and Mount Carmel , IL
STP(.23 Ib/da). (28 sources tested)
Indianapolis Belmont STP (two
Indiana sources tested)
Three Indiana sources were found:
Pfizer, Terre Haute; Kieffer Paper
Mills, Brownstown; GM Central
Foundry, Bedford (.22 Ib/da.)
(22 Indiana sources tested)
Eli Lilly, Clinton, IN
(only source tested)
Fifteen Illinois sources were found
(27 sources tested)
Eli Lilly, Lafayette, IN
(only source tested)
Three Indiana sources were found,
the most significant being Eli Lilly,
Lafayette (0136 Ib/da) (7 Indiana
sources tested)
Crane Naval Ammunition Depot,
Crane, IN (only source tested)
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TABLE V
SUMMARY OF
POINT SOURCE DISCHARGES OF TOXIC/HAZARDOUS ORGANICS .^.^
Rank Organic Compound
19 Alpha-BHC
20 Dieldrin
21 o,p DDE
22 Terphenyls
23 RDX
(Nitrated hydrocarbon)
24 p,p' DDE
25 Total DDT
26 Aroclor 1248
27 Heptachlor epoxide
28 o,p DDT
p,p' DDT
Approximate
Total Amount
Discharged
From Sources
Tested
(Ib/da)
>0.070
>0.0228
>0.019
'.OoOlS
^0.017
>0.015
^0.0094
^.007
>0.0061
>0.004
>0.004
26
Source(s) Tested and Comments
Nine Indiana sources were found.
(11 sources tested)
Thirty-four Indiana and Illinois
sources were found (43 sources
tested).
Five Indiana sources were found.
(14 sources tested)
GM Central Foundry, Bedford, IN
(only source tested)
Crane Naval Ammunition Depot,
Crane, IN (only source tested)
Six Indiana sources were found.
(14 sources tested)
Eighteen Illinois sources were
found (27 Illinois sources tested)
Three Indiana sources were found:
Weston Paper, Terre Haute;
Commercial Solvents, Terre Haute;
3M, Hartford City (22 Indiana sources
tested)
Twenty-six Illinois and Indiana
sources were found (42 sources
tested)
Six Indiana sources found.
Seven Indiana sources found.
(14 sources tested)
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TABLE V
SUMMARY OF
POINT SOURCE DISCHARGES OF TOXIC/HAZARDOUS ORGANICS
Rank
29
30
31
32
33
34
35
36
NOTE:
Organic Compound
Aroclor 1221
Aldrin
Heptachlor
o,p ODD
p,p' ODD
2,4,5-T
Lindane
Ted ion
Nitrofen
Dacthal
Compounds for whi
may not represent
(4/4)
Approximate
Total Amount
Discharged
From Sources
Tested
(Ib/da) Source(s) Tested and Comments
M3.004 Pfizer, Inc., Terre Haute, IN
(22 Indiana sources tested)
>0,003 Nine Indiana sources found.
(14 sources tested)
>0.0022 Eight Indiana sources found
(24 Illinois and Indiana sources
tested)
>0.0015 Three Indiana sources found.
(14 sources tested)
>0.0008 Three Indiana sources found.
(14 sources tested)
%0.0002 Morgan Packing, Austin, IN
(only source tested)
>0.0001 Six Indiana sources were found.
(11 sources tested)
'vO.OOOl Morgan Packing, Austin, IN
^0.0001 (only source tested)
vO.OOOl
ch the amount discharged shown above is very small
a hazard. Toxicity and/or safe environmental levels
of most of the compounds have not been determined.
All of the above
compounds occur elsewhere in the United States at
different concentrations in various sources and waters.
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In addition to the compounds shown in Table V, the following organics
were detected in discharges to the basin but were not quantified in terms
of pounds per day:
Number of Sources Found
Compound (Indiana)
Beta-BHC 1
Gamma-Chlordane 6
2,4-D Isopropylester 1
Endrin 2
Farsenol 1
Methoxychlor 1
In addition to the above toxic/hazardous organic compounds detected
in direct discharges, the following toxic/hazardous chemicals were not
detected in any samples collected of direct discharges to the basin
(Note that Mi rex was detected in a discharge to the Indianapolis
sewerage system; see Table III):
Number of Sources Tested
Compound Not Detected (Indiana)
Hexachlorobenzene 6
Zytron 4
Isodrin 3
Mi rex 6
Endosulfan I 3
Endosulfan II 6
Chiorobenzilate 2
Phenkapton Eli Lilly, Clinton only
EPN
Azinphos Methyl "
Azinphos Ethyl "
Phosalone "
Coumaphos "
Phorate "
Diazinon "
Dyfonate
Ronnel "
Dursban "
Methyl Parathion "
Ethyl Parathion
Malathion "
DEF
Ethion
DNBP
Carbophenothion "
Aroclor 1260 22
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. . Number of Sources Tested
Compound Not Detected _ (Indiana)
Stearic Acid 4
Napthalene Uniroyal, Indianapolis only
Acenaphthene 3
Ethyl oleate 3
Dibenzofuran 3
Prolan Morgan Packing, Austin only
Bulan "
Ambient River and Stream Data
Existing ambient river and stream data are presented in Appendix C.
These data clearly show PCB contamination downstream of Bloomington,
Indiana and, more importantly, according to data generated in May and
June of 1974, the presence of the following organics in the Wabash River
at New Harmony (below most point source dischargers):
Concentration
Compound (ug/1)
Aroclor 1254 0.212
Lindane 0.008
Heptachlor epoxide 0.016
Dieldrin 0.009
Gamma-Chlordane 0.008
o,p DDT 0.003
p,p' DDT 0.015
o,p ODD 0.006
p,p' ODD 0.005
o,p DDE 0.005
p,p' DDE 0.027
Methoxychlor 0.052
Dibutyl phthalate 13.52
Diethyl hexyl phthalate 4.38
Alpha BHC 0.006
Tests at the same location in January 1977, revealed the presence
of 0.4 yg/1 Aroclor 1248, and non-detectable amounts of other Aroclors.
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The ambient river data also show considerable organic contamina-
tion of tributaries to the Wabash such as the White River, Tippecanoe
River, Mississinewa River, and Vermilion River. More ambient sampling
may be warranted depending on the outcome of additional point source
sampling.
Non-Point Source Organics Pollution
Non-point sources of toxic/hazardous organic chemicals would be
mainly runoff from farm applications of herbicides and pesticides.
Another source would be runoff carrying residues of chemicals used
for extermination of weeds and insects by local entities. Since most
applications are done in spring, an assessment of the severity of this
problem would entail ambient river sampling at selected sites at two
different times of year, one of which should be immediately after
spring farm applications of herbicides/pesticides. Existing ambient
data do not lend themselves to an assessment of the non-point source
problem.
Carbon Filter Data
Carbon filters for collection of ambient river organics samples
were placed at three locations (Lafayette, Terre Haute, and Mount
Carmel) on the Wabash River and one location on the White River in
May 1976. These samples are currently in analysis phase at Central
Regional Laboratory. Resulting data will be presented when available.
Preliminary partial results indicate the presence of multifarious
organics.
Fish Data
Some fish have been collected and analyzed for various organics
in the Wabash River Basin, but many remain to be analyzed. The
presentation of fish data relating to the presence of toxic/hazardous
organics in the Wabash River Basin will be deferred until such time as
all data are available.
Sludge and Sediment Data
Studies performed by the ISBH and the USEPA have revealed PCB
contamination of Indiana municipal wastewater treatment plant sludges
from 16 "major" sources in the Wabash River Basin, as follows:
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Bloomington, South Plant
Indianapolis, Belmont Plant
Kokomo
Crawfordsville
Lafayette
Huntington
Columbus
New Castle
Vincennes
Anderson
Muncie
Fr?nkfort
Marion
Terre Haute
Warsaw
Bedford
Whereas the source of the PCBs in Bloomington is known to be
Westinghouse Corp., the remainder of the communities should be
thoroughly evaluated to determine possible sources of PCBs and other
toxic/hazardous organics getting into the sewerage systems. It would
seem worthwhile to continue such a sludge analysis program for all
"major" municipal dischargers in the basin.
Sediments collected from streams downstream of the landfill sites
used by known PCB dischargers have revealed attendant PCB contamination.
Such studies have been performed by the ISBH and the USEPA in streams
below the Bloomington, Indiana South STP; below GM Central Foundry,
Bedford, Indiana; and at landfill sites used to dispose of PCB-containing
material from Westinghouse, Bloomington, Indiana; and GM Central Foundry,
Bedford, Indiana.
Further stream sediment work should be confined to known signifv
cant sources of toxic/hazardous organics.
Public Drinking Water Supply Data
Public water supplies which utilize surface water as source of
supply in the Wabash River Basin are presented in Appendix D. Organics
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occurring in two of these, Mount Carmel, Illinois and Terre Haute,
Indiana, have been investigated as portions of reports already
discussed (2, 8). Specifically, neither picolines nor nitrosamines
were found in the water supply intake at Mount Carmel, Illinois; and
nitrosamines were not detected in the intake of the water supply at
Terre Haute, Indiana.
Data from USEPA and ISBH studies of water supply contamination
with PCB in waterways below Bloomington, Indiana are presented in
Appendix C. As shown, the data confirmed the presence of PCBs
(Aroclors 1242/1016 and 1248) in the raw waters at the Bedford,
Indiana, Salt Creek and East Fork White River filtration plants.
PCBs were not confirmed in the treated waters from these filtration
plants.
As part of a national survey of organics in drinking water
supplies, an extensive investigation of organics in water supplies
throughout Region V was undertaken by the USEPA and presented in
a report dated April 1975 (9). Excerpts from this report are
presented in Appendix E. Results pertaining to the Wabash River
Basin are summarized below. Various chlorinated toxic/hazardous
organics (for specifics see Appendix E) were found in either the
raw or finished waters (or both) at the following locations:
Newton, Illinois
Lafayette, Indiana
Terre Haute, Indiana
Logansport, Indiana
Danville, Illinois
Indianapolis, Indiana
Bloomington, Indiana
Kokomo, Indiana
Muncie, Indiana
Fairfield, Illinois
Mount Carmel, Illinois
Bedford, Indiana
The above results showed that chlorination of the water increased
the occurence of chloroform, bromodichloromethane, dibromochloromethane,
and bromofomio Other chlorinated compounds found included carbon tetra-
chloride, methylene chloride, and 1,2-dichloroethane. All of the above
are surface supplies with the exception of Lafayette, Indiana.
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As part of the same study (9), selected water supplies were tested
for the following toxic/hazardous organics:
Di ethylhexy1phtha1 ate
DDT
Dieldrin
Treflan
Hexachlorobenzene
Aldrin
Zytron
Lindane
2,4-D Isopropylester
Gamma Chlordane
One or more of these were detected in the following public water
supplies in the Wabash River Basin (either raw or finished water or
both J.-
Bedford, Indiana
Indianapolis, Indiana
Kokomo, Indiana
Lafayette, Indiana
Logansport, Indiana
Mount Carmel, Illinois
All of the above are surface water supplies with the exception of
Lafayette, Indiana, It should be stressed that the concentrations of
the latter compounds were very low (nanograms per liter range).
Inasmuch as the foregoing study revealed organic chemical con-
tamination at selected water supplies in the Habash River Basin, it
is recommended that all of the surface water supplies (see Appendix D)
be analyzed for toxic/hazardous organic chemicals.
Conclusions and Recommendations
From this Phase I investigation of toxic/hazardous organic chemicals
in the Wabash River Basin, the following conclusions and recommendations
are drawn:
1. Those "major" municipal and industrial point source dischargers
which have been identified in this report, and have not been tested for
organics, should be sampled and so tested. The compounds to be analyzed
should include, as a minimum, the compounds detected in the Wabash River
at New Harmony, Indiana, and the compounds detected in downstream water
supplies as identified in this report.
2c Those "minor" municipal point source dischargers which have
been identified in this report, and have not been tested for organics,
should be sampled and so tested on a case by case basis as resources
allow.
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3. Depending on the results from items number 1 and 2 above,
those "minor" industrial point source dischargers which have been
identified in this report, and which are located in communities
showing organics being discharged, should be sampled and so tested
as resources allow.
4. Some of the "minor" industrial dischargers identified in
this report, which have not been tested for organics, probably
discharge all of their wastewaters directly to the Wabash River
Basin without going through a municipal wastewater treatment plant.
These dischargers remain to be identified.
5. Ti-.e specific organic compounds identified in this report as
being discharged by point sources (both municipal and industrial)
should be confirmed by resampling if necessary and controlled through
the NPDES permit limitation/Toxic Substance Act process. This is
particularly true where one or two significant sources have been
identified.
6. Limited ambient river and stream organics data has revealed
considerable organics contamination throughout the basin, and, in
particular, in the Wabash River at New Harmony, Indiana, a location
below most point source dischargers. As the values at New Harmony
are quite high, they should be confirmed by resampling. A more
complete picture of the extent of organic contamination in the
Wabash River Basin will be available when the carbon filter analyses
are complete (Wabash and White Rivers). Partial preliminary results
of carbon filter analyses indicate extensive organics contamination.
7. Whereas some fish analyses have been completed, fish data
have been excluded from this report and will be deferred until all
data are received.
8. Public drinking water supplies throughout the basin have
been found to contain various organics in varying concentrations.
Organics were found in eleven surface supplies and one well supply
(either raw or finished water or both). Chlorination of water was
found to increase the occurrence of certain chlorinated hydrocarbons
in the supplies tested. It is recommended that the water supplies
identified be periodically monitored for toxic/hazardous organics
until such time as the sources of the organics can be identified
and controlled. Additionally, all surface water supplies in the
Wabash River Basin not yet checked should be analyzed for toxic/
hazardous organics. Also, the policies of chlorination at each of
these supplies should be carefully reviewed.
9. As the policy of analyzing municipal wastewater treatment
plant sludges for PCBs has revealed contamination at 16 "major"
sources in Indiana, it is recommended the policy be extended for
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all "major" munfcfpal dischargers in the Wabash River Basin. Those
municipalities with PCB-contaminated sludges should be throughly
evaluated to determine possible sources of PCBs and other toxic/
hazardous organics being discharged to the sewerage systems.
10. An assessment of the severity of the non-point source toxic/
hazardous organic chemical problem will entail ambient river sampling
at selected sites at two different times of year, one of which should
be immediately after spring farm applications of herbicides and/or
pesticideso Existing ambient data do not lend themselves to an assess-
ment of the non-point source problem.
11. It is recommended that further stream sediment sampling be
confined to known significant sources of toxic/hazardous organics.
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REFERENCES
1. "Wabash River Basin Comprehensive Study", Appendix F, Water Use
and Stream Quality, Wabash River Coordinating Committee,
Vol. V, June 1971.
2. "Identification of Specific Organic Chemicals in the Ohio and
Wabash Rivers, 1971-72", R.D. Kleopfer, USEPA, Region V,
Indiana District Office, Evansville, IN.
3. "Organic Chemicals in the Wabash and Lower Ohio River Basins,
May-November 1974", M.H. Birch, USEPA, Region V, Indiana District
Office, Evansvilie, IN.
4. "Work Sheets, Potential Organics Dischargers in Indiana",
D.W. Hook, USEPA, Region V, Indiana District Office,
Evansville, IN (May, 1975).
5. "Directory of Chemical ProducersUSA". Stanford Institute, 1975.
6. "Illinois Manufacturers Directory", 64th Edition, 1976.
7. "The Indiana Industrial Directory", Indiana State Chamber of Commerce,
17th Edition, 1976-77.
8. "Nitrosamines at Eli Lilly & Company, Tippecanoe Laboratories,
Lafayette, IN, Sept-Dec. 1976", USEPA, National Enforcement
Investigations Center and Region V, January 1977.
9. "Survey of Organic, Metal and Other Inorganic Parameter Concentrations
in Selected Region V Drinking Water Supplies", USEPA, Region V,
Chicago, IL (April 1975).
10. "Toxic and Hazardous Industrial Chemicals Safety Manual", The
International Technical Information Institute, Tokyo (1976).
11. "The Merck Index", Eighth Edition, Merck and Company, Inc., Rahway, N. J.
(1968).
12. "Dangerous Properties of Industrial Materials", Third Edition, by
N. Irving Sax, Van Nostrand Reinhold Co., New York (1968).
13. "Van Nostrand's Scientific Encyclopedia," Third Edition, D. Van Nostrand
Company, Inc., Princeton, N. J. (1958).
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REFERENCES (Continued)
I 14. "Pesticide Reference Standards and Supplemental Data", USEPA,
Research Triangle Park, N.C. (1973).
115. "Analytical Reference Standards and Supplemental Data for Pesticides
and Other Selected Organic Compounds", USEPA, Research Triangle Park,
N.C., Publication No. EPA-600/9-76-012 (1976).
| 16. "State-of-the-Art: Military Explosives and Propel 1 ants Production
Industry", Vols. I and III, USEPA, Cincinnati, Ohio, Publication
- Nos. EPA-600/2-76-213a,c (1976).
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(1/4)
APPENDIX A
EXCERPTS FROM "ORGANIC CHEMICALS IN THE WABASH AND
OHIO RIVER BASINS, MAY - NOVEMBER 1974" REPORT
Discussion of Results
During the discussion of pesticide data, numbers in parentheses are
frequency of occurrence given as percent.
1. Mississinew River
A. FCBs - six samples were collected in the Mississinewa River
Basin. Aroclor 1248 and 1254 were found in one and three of the samples,
respectively. Aroclor 1248 [0-4 ug/1) was found in 3M Corporation 001
effluent, and Aroclor 1254 in the Mississinewa River between Matthews
and below Marion, Indiana.
B. Pesticides - the most common occurring pesticides were heptachlor
(83), aldrin (100), o,p'-DDT (83), p,p'-DDT (83), and p,p'-DDE (50).
C. Plasticizers - Di-N-butyl phthalate occurred in every sample.
Di(2-ethylhexyl) phthalate (28 ug/1) was found in 3M Corporation's 002
effluent, Hartford City, Indiana. This was the highest concentration
found during the survey. The data indicates that these plasticizers are
introduced into the Mississinewa throughout the reach studied from below
Marion, Indiana to the headwaters.
D. Selected organics - no samples were collected for selected
organics analysis.
2. White River
A. PCBs - nine PCBs samples were collected from the White River
and point sources in the Indianapolis area. Aroclor 1254 was found once
near the mouth of the White River. No other PCBs were detected. This is
a large river basin and due to the limited amount of sampling the extent
of PCBs cannot be ascertained.
B. Pesticides - eight samples were collected for chlorinated pesti-
cides from the White River Basin. Seven were from the Indianapolis area.
The most common occurring pesticides were: lindane (57), aldrin (50),
chlordane (57), o,p' DDT (57), p,p' DDT (57), o,p' DDE (57), p,p' DDE (71),
and Alpha BHC (71).
C. Selected organics - samples collected during 1971-72 indicated
picolines (coal tar derivatives) were entering the West Fork White River
via the Indianapolis sewage treatment plant. Picolines or other coal
tar derivatives were not detected in the samples collected from the
Indianapolis sewage treatment plant's effluent during August 1974, nor
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APPENDIX A
(2/4)
the White River at Hazelton (near mouth) in May and June 1974. However,
other compounds that are coal tar derivatives or substituted derivatives
were found in the influent of the Belmont and Southport STPs. These were
fluoranthene, phenonthrene or anthracene, and acenaphthene,, Dibenzofuran,
an heterocyclic organic compound sometimes used as an insecticide was also
found. Stearic acid and ethyl oleate, both common to animal fats and oils,
used in the preparation of proprietary medicinal compounds, were detected
in samples collected from the Indianapolis STPs.
Although coal tar derivatives were not detected in the STP effluents,
additional monitoring should be considered because coal tar derivatives are
known to cause tainting of fish flesh, and taste and odor problems it: drink-
ing water.
3o Mainstem Wabash River
A. PCBs - fifty-five samples were collected for PCBs from the mainstem
Wabash River tributaries, industries and municipalities between mile points
313.25 and 43»1. Four samples from the Wabash River contained Aroclor
1254. No other PCBs were detected in the river or tributaries. Aroclor
1248 was measured at Weston Paper's 001 and 004, Aroclor 1242 at Eli Lilly
004, and Terre Haute STP, and Aroclor 1254 at Rostone Corporation, Lafayette,
Indiana and Pfizer's 001, 002 and 003 effluents.
Bo Pesticides - forty samples were analyzed for pesticides. The fre-
quency of occurrences as percent are given below:
Dieldrin 76 p,p' DDT 39
Heptachlor 72 Treflan 36
Aldrin 72 p,p' DDE 30
BHC 64 o,p' DDE 21
o,p' DDT 53 o,p' ODD 9
Lindane 52 Meth-oxychlor 5
Heptochlor-epioxide 42 p,p' ODD 3
Chlordane 39 Endrin 0
All pesticide concentrations except one (heptochlorepioxide) increased
between Wabash River mile points 313.25 and 193o500 This would be expected
as the sediments containing pesticides are scoured from the streambeds and
are transported downstream.
Co Plasticizers - Di-N-butyl phthalate and Di-(2-ethy hexyl) phthalate
were found in 95 and 64 percent of the 37 samples collected. The river
concentrations do not change significantly in the reach studied. Some
known sources of the plasticizers are as follows:
Upper Wabash River (above mile point 313,25)
Rostone Corporation 001, Lafayette, Indiana
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APPENDIX A
(3/4)
Vermin ion River, Illinois and Indiana
Commercial Solvents 001 and 003, Terre Haute, Indiana
Weston Paper and Manufacturing, Terre Haute, Indiana
Terre Haute STP, Terre Haute, Indiana
White River, Indiana
Commercial Solvents and Rostone Corporation had the highest concen-
trations of any sources listed for Di-N-butyl phthalate. Commercial
Solvents is discharging another plasticizer, tri-n-butyl phosphate.
Plasticizer concentrations in yg/1 are listed in Table VII.
TABLE VII
PLASTICIZER DATA FOR ROSTONE CORPORATION AND COMMERCIAL SOLVENTS
Di-N-butyl Tri-N-butyl
Location
Rostone Corp.
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Commercial
Solvents
Solvents
Solvents
Solvents
Solvents
Solvents
Solvents
D. Organics -
are listed
Industry
Eli Lilly
01 in Corpo
Commercial
below:
Solvents
Date
1974
8-8
001 8-8
001 8-9
002 8-8
002 8-9
003 8-8
003 8-9
004 8-9
Time
1430
1105
0810
1130
0820
1140
0827
1155
known dischargers of
Location
Lafayette,
Covington,
Terre Haute
IN
IN
, IN
40
phthalate phosphate
(yg/D (pg/D
25
20 20
50 20
10 10
10 10
2310 200
210 250
10 10
various organic compounds
Synthetic Organic Compounds
Found in Effluent
Treflan, phenol ics, tetra-
hydrofuran, methanol
Carbon disulfide tetrahydro-
furan, Isopropyl alcohol
Di-n-butyl phthalate
Tri-n-butyl phosphate
Methanol, Dimethylamine
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APPENDIX A
(4/4)
Industry
Location
Synthetic Organic Compounds
Found in Effluent
Pfizer
Velsicol
Terre Haute, IN
Marshall, IL
Western Tar
Weston Paper Co,
Terre Haute, IN
Terre Haute, IN
Organics - none detected
(all less than 0.05 mg/1)
Indene
Acetophenane
Trimethylhexyl alcohol
unknown chlorinated hydrocarbons
and volatile organics
Phenolics
Pentachlorophenol
Phenolics
There are also numerous oil spills from pipelines and pumping opera-
tions within the basin which introduce aliphatic and aromatic hydrocarbons
that may be broken down into short chained hydrocarbons and be chlorinated
at water intakes downstream.
Mount Carmel, Indiana, population 7,950 has a drinking water intake
from the Wabash River downstream from all the above mentioned sources of
synthetic organics. Mount Carmel's intake and treated water should be
monitored for synthetic organics, pesticides, PCBs, and plasticizers.
41
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0/D
APPENDIX B
CATEGORIES OF INDUSTRIES USED IN SELECTING COMMUNITIES AS
POTENTIAL DISCHARGERS OF TOXIC/HAZARDOUS ORGANIC CHEMICALS
Aluminum
Capacitors
Cellophane
Chemicals
Cleaning Compounds
Coke
Creosoting
Disinfectants
Dyes
Electrical Equipment
Explosives and Ordnance
Foundries (Ferrous and Nonferrous)
Insecticides
Oils
Paints and Varnishes
Paper Mills and Products
Pharmaceuticals
Plastics
Railway (Yards and Equipment)
Refineries
Resins
Rubber
Steel
Transformers
Wood Preserving
42
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I APPENDIX C
WABASH RIVER BASIN
I TOXIC/HAZARDOUS ORGANICS
AMBIENT RIVER DATA,
POINT SOURCE DATA, AND
_ PUBLIC WATER SUPPLY DATA
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0/13)
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APPENDIX C
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44
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APPENDIX C
(3/13)
BLOOMINCTON
MILKS
WATER SAMPLING
STATION^
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45
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(6/13)
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WATER TREATMENT
PLANT SURVEYS
JANUARY AND MARCH 1976
USEPA - INDO
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WATER TREATMENT
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JANUARY AND MARCH 1976
USEPA - INDO
APPENDIX C
(8/13)
Page 2 of 2
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54
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55
-------
APPENDIX D
PUBLIC WATER SUPPLIES UTILIZING SURFACE WATER IN (1/3)
WABASH RIVER BASIN - INDIANA
(INTAKE LOCATIONS)*
I Montpelier - at N. Adams Street at Salamonie River
Logansport - at power dam, midtown, on Eel River
Crane - Lake Greenwood
Washington - old alternate system - West Fork of White River, on U.S. 50 east
Greensburg - Flatrock River, 8 miles northwest of Greensburg, east of U.S. 421
Westport - Sand Creek, 1 mile east of Westport
I Muncie - West Fork of White River, eastside of Muncie
IHuntingburg - City Lake, 2.5 miles east of Huntingburg
Jasper - Potoka River, .5 miles east of S.R. 164 and Beaver Creek Reservoir
6 miles east of Jasper
Oakland City - Old Lake, Buck Creek, 1 mile northeast of Oakland City
- New Lake, tributary South Branch of Patoka River,
2 miles southeast of Oakland City
I Kokomo - Wildcat Creek, just west of U.S. 31
Huntington - Wabash River, 1 mile south of Huntington
North Vernon - Muscatatuck River, 100 yards downstream of filtration plant
I
I
Warsaw - Center Lake
Bedford - East Fork of White River, 2 miles northwest of U.S. 50 and
Salt Creek, North of State Road 37
Mitchell - East Fork of White River, 2 miles northwest of Lawrenceport
_ Indianapolis - 1. Eagle Creek Reservoir at 56th Street
I 2. Morse Reservoir from White River, canal at 16th Street
m 3. Geist Reservoir from Fall Creek, 42nd and Kessler Avenue
I Burns City - Lake Greenwood
Bloomington - Lake Monroe, Griffy Creek, 5 miles west of Bloomington
Paoli - Lick Creek, at 112 Braxton Street Paoli
West Baden - Lost River, .1 mile west of State Road 56
Winslow - Patoka River at State Road 61
Austin-Stucker Fork - Muscatatuck River, 2 miles northwest of Austin
Scottsburg - Scottsburg Lake
Terre Haute - Wabash River, between Tippecanoe and Elm Street,
downtown Terre Haute
*Listing not complete, but major supplies are listed.
I
56
I
-------
I
I
APPENDIX D
PUBLIC WATER SUPPLIES UTILIZING SURFACE WATER IN (2/3)
WABASH RIVER BASIN - INDIANA
I Wolcott - Wolcott Impoundment, tributary of Tippecanoe River
Bluffton - Wabash River
I Peru - Wabash River
Anderson - West Fork of White River
Speedway - Eagle Creek
I Seymour - East Fork of White River
Petersburg - White River
I Princeton - Patoka River
I
I
I
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I
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I
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-------
I
PUBLIC WATER SUPPLIES UTILIZING SURFACE WATER IN
APPENDIX D
(3/3)
I WABASH RIVER BASIN - ILLINOIS
Charleston - Channel Dam - Embarrass River
Clay City - Little Wabash River
I Danville - Impoundment - North Fork Vermin ion River
Effingham - Impoundment - Little Wabash River - Lake Sara
Fairfield - Little Wabash River
Flora - Little Wabash River
Georgetown - Little Vermin ion River
I Louisville - Little Wabash River
Mattoon - Impoundment - Little Wabash River
Mount Carmel - Wabash River
Neoga - Impoundment - Little Wabash River
Newton - Channel Dam - Embarrass River (3 wells used 90 percent of time)
I Oakland - Impoundment - Tributary Embarrass River
Oakwood - Salt Fork Vermillion River
Olney - East Fork Lake - Vernon Lake - Fox River
Paris - Impoundment - Sugar Creek
Wayne City - Channel Dam - Skillet Fork Creek
West Salem - Impoundment - Branch Crooked Creek
I
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I
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I
NOTE: Appendix E consists of selected excerpts of titled
survey report.
I
_ UNITED STATES
ENVIRONMENTAL PROTECTION AGENCY
I PRcLiiyilNARY
SUBJECT TO REVISION
SURVEY OF ORGANIC, METAL
AND OTHER INORGANIC PARAMETER
CONCENTRATIONS IN SELECTED
REGION V DRINKING WATER SUPPLIES
I
I
I
WATER DIVISION
AND
| SURVEILLANCE AND ANALYSES DIVISION
u 230 South Dearborn Street
Chicago, Illinois 60604
I
April 15, 1975
" 59
APPENDIX E
(1/22)
-------
APPENDIX E
(2/22?
INTRODUCTION
In response to public concern resulting from publicity about
I alledged toxic organic compounds in the New Orleans, La. and other
municipal drinking water supplies, a national survey to study the
extent of organic pollutants in eighty selected water supplies nation-
wide was initiated on February 3, 1975. The Region V study described
in this report also began on February 3, 1975 and compl/ments the
I national survey by providing more current data pertaining to the
_ drinking water supplies in Region V. The study was designed to
evaluate the most serious instances of organic pollution in drinking
I water supplies, to collect information for a more intelligent assign-
ment of resources for future studies, to provide concentration data
I that can then be related to toxicity information and to make pre-
liminary estimates of any relationships that may occur between pollutant
concentrations and sources of water or treatment of the water prior
I to distribution. In addition it was hoped the study would provide
detailed information about the frequency of occurrence and concentra-
tion values of volatile and non-volatile organic compounds, selected
pesticides, herbicides and fungicides, polychlorinated biphenyl
mixtures, certain phthalate esters, metals and other inorganic para-
J meters in drinking waters. Another interest was to establish baseline
concentrations for those organic compounds alledged to be toxic, carcin-
ogenic or which, because they may result from chlorination, are widely
distributed in our water supplies. These values are important because
they can be used to measure water quality improvements resulting
| from the Safe Drinking Water Act. These include carbon tetrachloride (0014)
I
60
-------
APPENDIX E
(3/22)
chloroform (CHC13), bromodichloromethane (BrCHClg). dibromochloromcthane
(Br2CHCl), bromoform (Br3CH), 1,2-dichloroethane (C1-CH2-CM2-C1),
dichloromethane (CH2C12), aldrin, dieldrin and DDT.
I Most cities were selected jointly by both State and Federal
_ personnel, because it was suspected that their water might contain
relatively high concentrations of organic pollutants. Others v/ere
I chosen because they have an uncommon treatment process, medical re-
cords indicated a high incidence of cancer in the area, or to provide
I a comparison between different types of water sources.
A maximum number of parameters per sample were included to provide
a complete description of each water supply and to detect possible re-
lationships between the more traditional inorganic parameters and the
J organic parameters of current interest. In addition, since many expenses
_ of the study, such as sampling costs, report writing, instrument and
other fixed capitol depreciations, transportation, etc., remain constant>
the most efficient study includes a maximum number of parameter analyses
per sample. This wide parameter coverage has identified problems which
| would otherwise have been missed.
M It should be emphasized that this study occurred during winter
months when waters were cold, surface streams were generally at higher
I than normal flows and contained considerable suspended solid materials,
agricultural and gardening activities were at a minimum as were certain
I - industrial activities. Therefore, concentrations could vary substantially
from values reported in this manuscript for samples collected at different
times of the year.
I
61
-------
APPENDIX E
(4/22)
1
II. SUMMARY OF RESULTS AND CONCLUSIONS
1. Volatile Organic Compounds
| Table I is a summary of the analytical results.
TABLE I
1
1
1
1
1
1
Chemical
Formula & Name
CHCL3 -
Chloroform
CHBrCL2 - Bromodi-
chloromethane
CHBr2Cl - Dibro-
uochloromethane
CHBrg - Bromoform
CC14 - Carbon
Tetrachloride
CH2C12 - Methyl ene
chloride
Cj>H/jCl2 -1,2-
Dichloroethane
% of Samples
Giving Positive
Results
Finished
Water
95
78
60
14
34*
8
13
Raw
Water
27
5
2
0
18
1
14
Mean
Concentration
(vg/l)
Finished
Water
20 vg/1
6 vg/l
1 vg/l
<1 vg/l
*2 vg/l
-------
APPENDIX E
1(5/22)
1 2
Based on the data presented in Table I, it is clear » that chloroform,
I bromodichloromethane, dibromochloromethane and bromoform are being
_ produced by the chlorination process at most cities in the Region.
* The mean concentrations however are quite low. Although the National
Science Advisory Board is conducting preliminary studies to relate tox-
icities and concentrations of these compounds, the results are not
| available at this time.
I
Table II is a listing of the analytical results from which the
I summary data in Table I were calculated. The cities are ranked in order
of increasing concentrations of chloroform found in their finished water.
All concentrations are in micrograms per liter (yg/l). It is the
I practive of the Central Regional Laboratory to report detection limits
based on each day's quality assurance data. Therefore, different de-
tection limits are given for some parameters in Table II and other places
in this report.
I
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I
63
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1
1
1
AHIC ii
R « Raw F Finished
I
City
1 Richfield,
Minn.
_ Minting, Ind.
1
1
1
Haterford
Twnshp.Hich.
Jackson, Mich.
Peoria, 111.
Hillmar.Minn.
Milwaukee,
H Vfisc.
Kenosha.Wisc.
1
1
1
1
1
1
1
Kalamazoo,
Mich.
Kewton.m.
Kantnond, Ind.
Granit Falls,
Minn.
Lafayette,
Ind.
Michigan City,
Ind.
Tcrre Haute,
Ind.
East Liverpool,
Ohio
Detroit, Hich,
Dlflck River
Falls, Wise.
CIIC13
Ri r" 1
<1
<1
<1
<1
<1
<1
2
12
<}
<1
^1
5
<1
<1
4'
<1
<1
<1
r .
<1
<1
<1
<1
2
2
2
3
4
4
4
5
5
5
5
5
5
DrCHClz BrzCIICl
kl iT J I
C
<
.5
0.5
0.5
0.5
0.5
.0.5
< 1
C2n,,ci2
R
- 1 J
--1
<-l
<1
3
<1
---1
^1
-*1
---1
^1
-=1 *
2
<1
15
<-l
cl
<-l
^ \
F
X5
<2
<1
3
<1
0.5
<1
^1
<1
<2
< 2
0.5
<1
<2
<1
<1
<1
<2
-------
I
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I
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I
I
APPENDIX E
(7/22)
Rank
19-22
"
.
23
-.24- 25 -.
*
26
27-29
*
30-31
32
33-36
*
"
37
38
CUy
Gary, Ind.
Chicago, 111.
Loqnnsport,
Ind.
Crooks ton,
Minn.
Minneapolis,
Minn.
Two Rivers,
Wise.
Green Bay,
Wise.
Manl;ato, Minn.
Cleveland,
Ohio
Lansing, Mich.
Mt. Clemens,
Mich.
Mt. Pleasant,
Mich.
South Bend,
Ind.
Morocco, Ind.
Wyandottc,
Mich.
Defiance, Oh.
Cairo, 111.
Manitowoc,
Wise.
Danville, 111.
Bay City, Mich.
on,
TT
4
«1
<1
<1
<]
1
<1
2
<1
<]
<]
<1
<1
*1
<1
2
2
1
-=^1
*1
-1
-=1
-1
«I
<1
-------
APPENDIX E
(8/22)
Rank
39
40-11
H
42
43
44
45-46
II
47
48-49
»
50-51
52
53
54
55
56
City
Ht. Vcrnon,
Incl.
Imliiinapol is,
Ind.
Bloomington,
Ind.
E. Grand Forks
Minn.
Grand Rapids,
Mich.
Portsmouth,
Ohio
International
Falls, Minn.
Duluth, Minn.
SauH St. Marie
Mich.
Ft. Way ne, Ind.
Evansville,
Ind.
Gales burgh,
111.
Kokomo, Ind.
Muncie, Ind.
Streator.Ill.
St. Cloud,
Minn.
New Albany,
Ind.
Mcnomince,
Mich.
CIIC13
IT
'1
<1
<1
«.!
<1
2
<1
<1
<!
4
<1
<1
9
<1
<1
<1
3
<1
F
0
9
9
22
24
25
26
26
27
29
29
30
30
31
35
37
41
42
BrCIIClz
it
<]
<1
<1
<1
<]
-1
<1
<]
<1
--1
<1
^1
<1
-.1
M
^1
.4
<
F
9
6
5
.8
10
14
.3
.5
0.5
0.7
12
13
11
17
14
4
15
5
Br2CIICl
"R
<1
<1
<1-
<1
<1
<1
<1
<1
<1
^1
<1
<1
<1
<1
<1
< 1
<1
-------
APPENDIX E
(9/22)
Rank
/
57-58
59
60
61
62-63
64
65
66
67
68
69
70-71
72
73
74
75
76
City
Cadillac,
Midi.
Fairfield,
111.
Carlyle, 111.
Eau Claire,
Wise.
Columbus, Oh.
Kankakcc.Ill.
Mt. Cannel,
m.
Marinette,
Wise.
Oshkosh, Wise
Quincy, 111.
Berrea, Ohio
Toledo, Oh.
Royalton,Ill.
Rock Island,
111.
Oslo, Minn.
St. Paul,
Minn.
Bedford, Ind.
Piqua, Ohio
Cincinnati,
Ohio
Brcckcnridgc,
Minn.
;nc
R
<}
10
<1
<1
<1
<1
<1
<1
<1
2
7
<1
<1
<1
<1
<1
<1
2
<1
<1
1
4
F
1
cl
<1
2
<1
1
<0.5
3
<2
<1
3
<0.5
<:!
<1
7
12
2
<1
<.5
12
CII2C12
R
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
< ]
< 1
< 1
< 1
<1
<]
<1
<1
<1
<1
\-
<0.5
<0.5
<0.2
7
<0.5
<0.5
2.6
<.5
<.5
<1
<1
CO. 5
O.5
<1
«0. 5
0.5
0.5
0.5
<.5
<1
C2II4C12
T
-------
I
I
I
I
APPENDIX E
(10/22)
Itanl;
77
78
79
80
81
82
83
City
Warren. Ohio
Bowling Green,
Ohio
Dundee, Mich.
Chester, 111.
Fairmount, Minn.
Bessemer, Mich.
Fremont, Ohio
Mean
Median
CJIC13
R
<1
--1
^1
5
9
7
1
2
<1
F
130
160
170
182
200
312
366
45
20
BrCI!Cl2
R
<1
<^1
<1
^1
<1
<1
<1
<1
<1
F
19
27
26
17
31
4
18
8.5
6
Br2CHCl
R
^1
^
^1
*1
*1
-1
<1
<1
<1
F
0.8
5
2
i.i
0.7
<0.2
1.4
1.2
1
Br3CII
R
<1
-0
-.1
<1
<1
<1
-------
I APPENDIX E
(11/22)
Conclusions that may be reached from an examination of the data in
Table II are as follows:
a. Clean raw water,as based on the COD and other parameter
concentrations,results in finished water that is free
I of chloroform and related halogenated compounds. Of
_ the 25 supplies having the lowest concentrations of chloro-
* form, 12 obtain their water from the Great Lakes, 8 from
I deep wells and only 5 from surface sources.
b. Chloroform, bromodichloromethane, dibromochloromethane,
I and bromoform result from chlorination of pollutants in
the raw water. Since there is no pattern to their occur-
rence, it does not appear that carbon tetrachlonde,
I methylene chloride or 1,2-dichloroethane are produced
by the chlorination process.
c. Using only the more accurate data (higher concentrations
can be measured more accurately than lower concentrations)
for those cities having over 100 yg/1 of chloroform in
J their finished water, the concentration ratio percentages
_ (see Table III) of BrCHCl2 to CHCla range from 1.2 to 17.
The range for the BrCHCl2/Br2CHCl ratios is 0 to 19. A
careful examination of these ratios suggests that the con-
centration of BrCHCl2 will be approximately 132 that of
I CHC13 and the concentration of B^CHCl will be about 6%
m that of BrCHCl2« This relatively constant ratio indicates
a common precursor or group of precusors of the halogenated
I
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APPENDIX E
(12/22)
TABLE III
CONCENTRATION RATIOS "FOR THE TEN HOST POLLUTED WATFR SUPPLIES
Concentration units are in yg/1
Fremont, Ohio
Bessemer, Mich.
Fairmount, Minn.
Chester, 111.
Dundee, Mich.
Bowling Green,
Ohio '
Warren, Ohio
Breckenridge,
Minn.
Pi qua, Ohio
.Bedford, Ind.
CUC13
366
312
200
182
- 170
160
138
128
102
84
BrCHCla
18
4
31
17
26
27
19
15
10
12
Bre'CHCl
1.4
0
0.7
1.1
2
5
0.8
0
0.7
0.8
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0 '
0
0
0
0
0
0
0
0
0.8
Ave.
Std. Dev.
BrCIICl2
CHCls
4.9*
1.2*
15.
9.3
15.
17.
14.
12.
10.
14
13.3
2.6
BrpCHCl
BrCHCl2
8
0
2
6
8
19
4
0
7
7
6.1
5.5
*excluded from calculation of average and standard deviation. If all data
tn Table II are used, both ratio percentages and the scatter increase as
the measurements approach the detection limit
70
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APPENDIX E
(13/22)
d. The use of carbon filters is not effective as was
practiced by the water treatment plants during the
time of this study. (See Table II). We suspect that
most of those cities presently using carbon have
chosen to do so to reduce taste and odor problems
resulting from unusually polluted raw water supplies
and that the carbon is much more effective in re-
moving those compounds causing the water to have a
taste and odor than it is in removing the halogenated
methanes or other organic compounds that react to
form chloroform.
^
e. The Region V study was designed to comp^ifient the
National Study which is more limited in parameter
coverage and based on a slightly different strategy
than the Regional survey. Although no attempt was
made in Region V to select cities based on population,
as was done in the National Study, the resulting
list of cities sampled does include a complete range
of population sizes. These have been summarized
and compared to the average chloroform concentration
found for each class as shown below in Table IV.
Population
Class
In Thousands
1,000-4,000
500-1,000
100- 500
50 - 100
0 - 50
TABLE IV
% of Cities
Sampled
% of Population
Included in Study
AveraqesChloroform
Concentration
2.4
4.8
16.
19.
,9
.3
56.6
48.8
18.5
20.5
6.7
5.5
6 pg/1
10 pg/1
33 yg/l
33 pg/1
56 pg/1
71
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_ APPENDIX E
| (14/22)
I It is obvious from the data that, while the majority of the
population sampled is using water with a chloroform concentration con-
siderably less than 33 vg/1, the majority of people living in smaller
communities are using water with much higher concentrations of chloro-
form. Since 34% of the total population of Region V (approximately
| 44 million) was included in this survey, one may safely conclude that
_ the survey was representative and that 14 million people in the Region
were using water containing over 30 yg/1 of chloroform at the time
I
the?2 samples were collected.
I 2. Pesticides, PCB's and Phthalates
Table V is a listing of those cities where pesticides, PCB's
and/or phthalates were identified. The other samples analyzed did
I not contain a detectable amount of any of the fifty pesticides included
1n the survey. All analytical results are included in the appendix
and from these we conclude that:
a. A large majority of the samples do not contain these
types of compounds in concentrations that can be
I measured with the procedures used for this study.
b. For this class of compounds, the most commonly found
are diethylhexylphthalate, dieldrin, DDT, treflan,
aldn'n and hexachlorobenzene. Unforunately, aldrin,
dieldrin and DDT are suspected carcinogens and
| therefore of concern even at these very low concen-
_ trations. The concentrations of all pesticide type
compounds identified to date are low. Excluding the
I phthalates, the highest concentrations found were
72
-------
I
68 nanograms per liter (ng/1) for DDT, 11 ng/1 for
| dieldrin, 17 pg/1 for di ethyl hexglphthal ate and
_ 50 ng/1 for treflan. All positive results are given
In Table V.
APPENDIX E
(15/22)
c. It is of interest to note that the concentrations
of PCB's in those samples from Lake Michigan and the
Ohio River were too low to detect. Therefore, if
| PCB studies of these bodies of waters is to continue,
_ a strong emphasis should be placed on the analysis
of fish and other biological samples where these
I compounds have been concentrated naturally rather
*ty
than on water samples. AlternaT4y- sediment samples
I may be analyzed if an analytical method can be
deve'Dped.
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APPENDIX E
(16/22)
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APPENDIX E
(17/22)
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08/22)
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I APPENDIX E
(19/22)
I 3. Non-Volatile Organic Compounds
Finished water was passed through carbon filters at Mt. Vernon,
Evansvilie and Indianapolis, Indiana. Raw water samples were also
I collected at Mt. Vernon. Presently the water from Whiting, Indiana and
Mt. Carmel, Illinois are being sampled. All of the exposed filters have
" been extracted with hexane, chloroform and methanol. Each of the extracts
. has been separated into acidic, basic and neutral fractions giving a total
of nine concentrates per filter. The following high boiling compounds
I have been identified in the Mt. Vernon and Evansville supplies:
I Mt. Vernon Evans vi lie
tri-n-butyl phosphate tri-n-butyl phosphate
I butylphthalate butylphthalate
dioctyl phthalate dioctyl adipate
trimethyl benzene methyl palminate
I toluene farnesol
n-octane and other n-octane and other
homologs homologs
Ixylene xylene
ethyl benzene diphenylether
methyl cyclohexane
Many more of these high boiling compounds are present, but further purifi-
cation (we are attempting to accomplish the preparation by high pressure
liquid chromatography techniques) will be necessary to identify them. We
have not yet attempted to analyze the extracts for any low boiling compounds
except for the bis-2-chloroisopropyl and bis-2-chloroethyl ethers. Neither
I of these compounds gave a gas chromatographic peak above the detection limit
_ and therefore they are not present to the extent they have been in Evansville
samples analyzed previously. In general, the current water samples from
Evansville are much less polluted than were similar samples analyzed by
this laboratory and Indiana State University Evansville over the previous
i
-------
APPENDIX E
(20/22)
I
I
four years. This reduction in pollution is an expected product of the
| permit program and should reduce concern for Evansville water.
III. Recommendations
1. The use of water from those wells at Kokomo that are
contaminated with arsenic should be terminated. All
| other well waters in the area should be analyzed for
_ arsenic as soon as possible.
2. Since our results are based on individual grab samples
I collected at what may not be normal conditions, the
data may not reflect the long term quality of any given
I supply. Therefore, the finished water of those 31
supplies showing chloroform concentrations above 33 yg/1
should be analyzed for the volatile organic compounds
I and selected metal and other inorganic parameters. This
level of monitoring is suggested based on data presented
previously showing that 30% of the population is exposed
to 33 yg/1 of chloroform. In addition, a complete or-
ganic compound analysis should be completed on as many
| of these water supplies as possible.
3. An effort should be made to identify the precursor(s)
* that react with chlorine and bromine to produce the
I pollutants found in the finished water samples. As a
first step, raw waters should be analyzed completely
i
i
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* APPENDIX E
(21/22)
_ and halogenation studies completed on potential precursors.
The best treatment for these pollutants may be removal
I of a precursor rather than removal of the organic compounds
found in the finished water supplies. Raw water samples
I should be taken and analyzed completely at those cities
having the highest chloroform concentrations.
M 4. It is our understanding that the Cincinnati Water
Supply Research Laboratory is conducting studies to
I evaluate the cost and effectiveness of various treat-
ment methods. The different carbon, ozone and
standard processes have been discussed. We suggest
that they also include a study of aeration in their
program as a method of removing volatile organic
compounds.
5. This work has established that the most serious
volatile organic pollution problems occur in cities
with a population less than 50,000. Therefore, it is
recommended that the major research efforts be directed
I toward treating many small volumes of water rather
_ than toward a few large plants.
6. The Science Advisory Board is to complete a preliminary
I report by May 1, 1975 relating toxicity and concentra-
tion of selected organic compounds included in this
I
79
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APPENDIX E
(22/22)
study. We recommend that they complete the evaluation
I for both acute and chronic toxic effects and for carcin-
ogenic activity for the seven volatile organics studies,
I treflan,diethylhexyl5phthalate, DDT, Aldrin and Dieldrin.
7. The relationship of COD and CHC^ concentrations should
be further investigated to include raw water source
comparisons and other parameter correlations such as
pH to act as indicators for volatile organics.
8. Fast and easy measurements such as specific conductance
and alkalinity should be investigated as methods of
screening supplies for undesirable levels of sulfates,
chlorides, dissolved solids, and hardness. This would
| reduce the necessary resources to screen and evaluate
large numbers of drinking water supplies.
9. The best methods of purification and treatment of
I drinking water supplies should be standardized. The
variations in the treatment processes as shown in Table
I XI indicate that presently the type of water cond-'tioning
depends more on the state than type of water source.
I
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