U.S. DEPARTMENT OF COMMERCE
                                 National Technical Information Service
                                 PB-296 676
Air Pollution  Regulations in State
Implementation Plans:  California,
Mendocino  County
Abeor, Inc, Wilmington, MA  Walden Div
Prepared for
Environmental  Protection Agency, Research  Triangle Park, NC  Control
Programs Development Div
Aug 78

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xvEPA
                                     PB 296676
             United States
             Environmental Protection
             Agency
            Off ice of Air QuaKty
            Planning and Standards
            Research Triangle Park NC 27711
EPA-450/3-78-054-19
August 1978
             Air
Air Pollution Regulations
in  State  Implementation
Plans:
California
Mendocino County
                    REPRODUCED BY
                   NATIONAL TECHNICAL

                  I INFORMATION SERVICE
                  \  U. S. DEPARTMENT OF COMMERCE
                  !   SPRINGFIELD, VA. 22161

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                                   TECHNICAL REPORT DATA
                           (Pietoe tread Instructions on the reverse before completing)
1. REPORT NO.
  EPA-450/3-78-054-19
                                                           3. RECIPIENT'S ACCE
 . TITLE AND SUBTITLE
4. 11 i ue ACNU auo 111 i_e
 Air Pollution Regulations in State Implementation
•Plans:   California   Mendocino County
             5. REPORT DATE
               August 1978
             6. PERFORMING ORGANIZATION CODE
7. AUTHOR(S)
                                                           8. PERFORMING ORGANIZATION REPORT NO.
9. PERFORMING ORGANIZATION NAME AND ADDRESS
  Walden Division of Abcor,  Inc.
  Wilmington, Mass.
                                                           10. PROGRAM ELEMENT NO.
             11. CONTRACT/GRANT NO.
                                                             68-02-2890
12. SPONSORING AGENCY NAME AND ADDRESS
                                                           13. TYPE OF REPORT AND PERIOD COVERED
  Control  Programs Development  Division
  Office of Air Quality Planning and Standards
  Office of Air, Noise, and  Radiation
  Research Triangle Park,  NC 27711	
             14. SPONSORING AGENCY CODE
15. SUPPLEMENTARY NOTES
  EPA Project Officer:  Bob  Schell, Control Programs Development Division
16. ABSTRACT
  This document has been produced in compliance with  Section 110(h)(l) of the Clean  Air
  Act amendments of 1977.   The  Federally enforceable  regulations contained in the  State
  Implementation Plans  (SIPs) have been compiled for  all  56 States and territories
  (with the exception of the Northern Mariana Islands).   They consist of both the
  Federally approved State  and/or local air quality regulations as indicated in  the
  Federal  Register and  the  Federally promulgated regulations for the State, as
  indicated in the Federal  Register. Regulations which  fall into one of the above
  categories as of January  1, 1978, have been incorporated.  As mandated by Congress,
  this document will be updated annually.  State and/or local air quality regulations
  which have not been Federally approved as of January  1, 1978, are not included here;
  omission of these regulations from this document in no way affects the ability of
  the respective Federal, State, or local agencies to enforce such regulations.
17.
                               KEY WORDS AND DOCUMENT ANALYSIS
                  DESCRIPTORS
b.lDENTIFIERS/OPEN ENDED TERMS  C. COSATI Field/Group
  Air pollution
  Federal Regulations
  Pollution
  State Implementation  Plans
18. DISTRIBUTION STATEMENT

  RELEASE UNLIMITED
19. SECURITY CLASS (This Report)

   Unclassified	
                                              20. SECURITY CLASS (This page)

                                                Unclassified
                           22. PRICE

                                ft 87
^ /MF
EPA Form 2220-1 (9-73)

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                              EPA-450/3-78-054-19
    Air Pollution  Regulations
in  State Implementation  Plans
                 *
                  California
            Mendociho County
                Walden Division of Abcor, Inc.
                 Wilmington, Massachusetts
                 Contract No. 68-02-2890
                EPA Project Officer: Bob Schell
                     Prepared for

            U.S. ENVIRONMENTAL PROTECTION AGENCY
               Office of Air, Noise, and Radiation .
             Office of Air Quality Planning and Standards
            Research Triangle Park. North Carolina 27711

                     August 1978

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This report is issued by the Environmental Protection Agency to
report air pollution regulations of interest to a limited number of
readers.  Copies are available, for a fee, from the National Technical
Information Service, 5285 Port Royal Road, Springfield, VA 22161.
This report was furnished to the Environmental Protection Agency by
Walden Division of Abcor, Inc., Wilmington, Mass. 01887,  in fulfillment
of Contract No. 68-02-2890.  The contents of this report are reproduced
herein as received from Walden Division of Abcor,  Inc. The opinions,
findings, and conclusions expressed are those of the author and not
necessarily those of the Environmental  Protection Agency. Mention of
company or product names is not to be considered as an endorsement
by the Environmental  Protection Agency.
                    Publication No. EPA-450/3-78-054-19
                                   ii

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                             INTRODUCTION

                                                               »
     This document has been produced in compliance with Section 110(h)(1)
of the Clean Air Act-Amendments of 1977.  The Federally enforceable
regulations contained in the State Implementation Plans (SIPs)  have been
compiled for all 56 States and territories (with the exception  of the
Northern Mariana Islands).  They consist of both the Federally  approved
State and/or local air quality regulations as indicated in the  Federal
Register and the Federally promulgated regulations for the State, as
indicated in the Federal Register.  Regulations which fall into one of
the above categories as of January 1, 1978, have been incorporated.  As
mandated by Congress, this document will be updated annually.   State
and/or local air quality regulations which have not been Federally
approved as of January 1, 1978, are not included here; omission of these
regulations from this document in no way affects the ability of the
respective Federal, State, or local agencies to enforce such regulations.

     There have been recent changes in the Federal enforceabi1ity of
parking management regulations and indirect source regulations.  The
October, 1977, appropriation bill for EPA prohibited Federal enforcement
of parking management regulations in the absence of specific Federal
authorizing legislation.  Federally promulgated parking management
regulations have, therefore, been suspended indefinitely.  Pursuant to
the 1977 Clean Air Act Amendments, indirect source regulations  may not
be required for the approval of a given SIP.  Consequently, any State
adopted indirect source regulations may be suspended or revoked; State
adopted indirect source regulations contained in an applicable SIP
are Federally enforceable.  More importantly, EPA may only promulgate
indirect source review regulations which are specific to Federally
funded,..operated,_or.owned-facilities .or projects.  Therefore,  the
Federally promulgated Indirect source regulations appearing in this
document are not enforceable by"EPA except as they relate to Federal
facilities.

     Since State air quality regulations vary widely in their organization,
content, and language, a standardized subject index is utilized in this
document.  Index listings consist of both contaminant and activity oriented
categories to facilitate usage.  For example, for regulations which apply
to copper smelters, one might Took under sulfur compounds (50.2), particu-
1 ate matter process weight (50.1.1), or copper smelters (51.15).  Federal
regulations pertaining to a given State immediately follow the approved
State-and local regulations.

     Additionally, a summary sheet of the information included in each
comprehensive document is presented prior to the regulatory text to
allow one to quickly assess the contents of the document.  Specifically,   ...
the summary sheets contain the date of submittal to EPA of each revision
                                   iii

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to the SIP and the date of the Federal Register in which the revision
was either approved or disapproved by EPA.  Finally, a brief description
or reference of the regulation which was submitted is also included.^

     This document is not intended to provide a tool for determining
the enforceability of any given regulation.  As stated above, it is
intended to provide a comprehensive compilation of those regulations
which are incorporated directly or by reference into Title 40, Part 52,
of the Code of Federal Regulations.  Consequently, the exclusion of a
Federally approved regulation from this document does not diminish the
enforceability of the regulation.  Similarly, the inclusion of a given
regulation (for example, regulations governing pollutants, such as odors,
for which there is no national ambient air quality standards) in this
document does not, in itself, render, the regulation enforceable.
                                    iv

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                             SUMMARY SHEET

                                   OF

                   EPA-APPROVED REGULATION CHANGES

                           MENDOCINO COUNTY


Submittal Date           Approval Date       Description

 6/30/72                   9/22/72           Additions to Regs.
                                             approved unless
                                             noted otherwise.

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                         DOCUMENTATION  OF CURRENT EPA-APPROVED
                            STATE AIR POLLUTION  REGULATIONS
                            REVISED STANDARD SUBJECT INDEX
 1.0    DEFINITIONS
 2.0    GENERAL PROVISIONS AND ADMINISTRATIVE PROCEDURES
 3.0    REGISTRATION  CERTIFICATES, OPERATING PERMITS AND APPLICATIONS
 4.0    AIR QUALITY STANDARDS (PRIMARY AND SECONDARY)
       4.1    PARTICULATES
       4.2   SULFUR  DIOXIDE
       4.3   NITRIC  OXIDES
       4.4   HYDROCARBONS
       4.5   CARBON  MONOXIDE
       4.6   OXIDANTS
       4.7   OTHERS
 5.0   VARIANCES
 6.0   COMPLIANCE SCHEDULES
 7.0   EQUIPMENT MALFUNCTION AND MAINTENANCE
 8.0   EMERGENCY EPISODES
 9.0   AIR QUALITY  SURVEILLANCE AND SOURCE TESTING
10.0   NEW SOURCE PERFORMANCE STANDARDS
11.0   NATIONAL EMISSIONS STANDARDS FOR HAZARDOUS AIR POLLUTANTS
12.0   MOTOR VEHICLE EMISSIONS AND CONTROLS
13.0   RECORD KEEPING AND REPORTING
14.0   PUBLIC AVAILABILITY OF DATA
15.0   LEGAL AUTHORITY AND ENFORCEMENT
16.0   HEARINGS, COMPLAINTS, AND INVESTIGATIONS
17.0   PREVENTION OF SIGNIFICANT DETERIORATION
18.0   AIR QUALITY  MAINTENANCE AREA
19.0 - 49.0
       RESERVED FOR FUTURE EXPANSION OF COMMON INDEX
50.0   POLLUTANT - SPECIFIC REGULATIONS
       50.1  PARTICULATES
             50.1.1  PROCESS WEIGHT
             50.1.2  VISIBLE EMISSIONS
             50.1.3  GENERAL
                                          VI

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       50.2   SULFUR COMPOUNDS
       50.3   NITRIC OXIDES
       50.4   HYDROCARBONS
       50.5   CARBON MONOXIDE
       50.6   ODOROUS POLLUTANTS
       50.7   OTHERS (Pb, Hg, etc.)
51.0   SOURCE CATEGORY SPECIFIC REGULATIONS
       51.1   AGRICULTURAL PROCESSES (Includes Grain Handling, Orchard Heaters,
              R1ce and Soybean Facilities, Related Topics)
       51.2   COAL OPERATIONS (Includes Cleaning, Preparation, Coal Refuse
              Disposal Areas, Coke Ovens, Charcoal Kilns, Related Topics)
       51.3   CONSTRUCTION (Includes Cement Plants, Materials Handling, Topics
              Related to Construction Industry)
       51.4   FERROUS FOUNDRIES (Includes Blast Furnaces, Related Topics)
      .51.5   FUEL BURNING EQUIPMENT (coal, natural gas, oil) - Partlculates
              (Includes Fuel Content and Other Related Topics)
       51.6   FUEL BURNING EQUIPMENT (coal, natural gas, oil) - S02 (Includes
              Fuel Content and Other Related Topics)
       51.7   FUEL BURNING EQUIPMENT (oil.natural gas, coal) - N02 (Includes
              Fuel Content and Other Related Topics)
       51.8   HOT MIX ASPHALT PLANTS
       51.9   INCINERATION
       51.10  NITRIC ACID PLANTS
       51.11  NON-FERROUS SMELTERS  (Zn, Cu, etc.) - Sulfur Dioxide
       51.12  NUCLEAR ENERGY FACILITIES (Includes Related Topic)
       51.13  OPEN BURNING  (Includes Forest Management, Forest F1re,  F1re
              Fighting  Practice, Agricultural Burning and Related Topics)
       51.14  PAPER  PULP; WOOD PULP AND KRAFT MILLS (Includes Related Topics)
       51.15  PETROLEUM REFINERIES
       51.16  PETROLEUM STORAGE (Includes  Loading, Unloading, Handling  and
              Related Topics)
       51.17  SECONDARY METAL OPERATIONS  (Includes Aluminum, Steel and  Related
              Topics)
       51.18  SULFURIC  ACID PLANTS
       51.19  SULFURIC  RECOVERY OPERATIONS
       51.20  WOOD  WASTE BURNERS
       51.21  MISCELLANEOUS TOPICS
                                        vii

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(51.16)              V    4H       Gasoline Storage            15
(51.6)               V    41       Sulfur Oxide
                                Emissions                   15
(4.0)                V    5       Ambient Air Standards       15
(7.0)                VI           Maintenance, Malfunction,
                                Evasion, Inspection         16
(3.0)                VII          Permits                     18
(8.0)                VIII        Emergency  Conditions        24
(16.0)               IX           Abatement                   25
(15.0)               X            Violations and
                                Penalties                   25
(16.0)               XI           Hearing Board               27
(5.0)                XII          Variances                   29
(16.0)               XIII        Hearings                    30
(2.0)                XIV          Construction  and  Validity   35
                                  IX

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                                          REGULATIONS

                       MENDOCINO COUNTY  AIR POLLUTION  CONTROL DISTRICT
(2.0)     PART I - PURPOSE.

         These regulations  are set forth to achieve and maintain  such  levels  of
         air quality as will  protect human health and safety,  prevent  injury  to
         plant and animal  life and property, promote the comfort  and convenience
         of the people, promote the economic and social development and enjoyment
         of the natural attractions of this county.

         Air quality standards are not intended to provide a sharp line dividing
         between satisfactory and unsatisfactory air.  Standards  are to prevent
         or abate the effects of air pollution on health, esthetic and economic
         factors.  Since standards are set to improve the quality of air,  they
         should not be interpreted as permitting, encouraging or  condoning
         degradation of present air quality within the county which is not
         superior to that of the stipulated standards.

         Ambient air quality standards will be reviewed frequently in  light of
         new information and experience relating to effects on health, property,
         plants and animals as well as progress in air pollution  controls  devices
         or methods.

 (2.0)   PART II - AUTHORIZATION.

         These regulations are pursuant to the authority granted  the  County of
         Mendocino by the Health and Safety Code of the State of  California.   The
         Air Pollution Control Board of the Mendocino County Air  Pollution Control
         District does hereby enact the following regulations. These shall be
         known as the Regulations of the Mendocino County Air Pollution Control
         District.

 (1.0)   PART  III - DEFINITIONS,   (as used  in these  regulations and their
         applications)

               1-   Agricultural Operations;  the growing and harvesting of crops,
                   including timber, "fish  farming," or the raising of fowls or
                   animals or bees as a gainful occupation.
                                               -1-

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2.   Agricultural Burning;  open outdoor fires  used in  agricultural
     operations in the growing of crops or raising of  fowls  or
     animals, forest management, or range improvement.

3.   Air Contaminant;  a dust, fume, gas, mist,  odor,  smoke,  vapor,
     pollen, soot, carbon,  acid or particulate matter  or any com-
     bination thereof.

4.   Air Pollution;  the presence in the outdoor atmosphere  of  one
     or more air contaminants in quantities, characteristics,  or
     duration such that they are or tend to be injurious to  human,
     plant or animal life or property,  or which  unreasonably in-
     terfere with the enjoyment of life or property.

5.   Air Pollution Abatement Operations;   any  operation  which has
     as its essential purpose a significant reduction  in (a)  the
     emission of air contaminants or pollution,  or (b) the effect
     of such emission or pollution.

6.   Alteration;  any addition to or enlargement or replacement of,
     or any major modification or change of the  design,  capacity,
     process, or arrangement, or any increase  in the connected  load-
     ing of, equipment or control apparatus which will significantly
     increase or affect the kind or amount of  air contaminant
     emitted.

7.   Ambient Air Quality Standards;  the specific concentrations and
     durations of air pollutants which  reflect the relationship be-
     tween the intensity and composition of pollution  to undesirable
     effects.
                                                i

8.   Atmosphere;  the air that envelopes or surrounds  the earth.

9.   Board:  the Air Pollution Control  Board of  the Air  Pollution
     Control District of Mendocino County.

10.  Carbon Monoxide;  a colorless gas, odorless under atmospheric
     conditions, having the molecular form CO.

11.  Collection Efficiency;  the overall  performance of  an air  clean-
     ing device in terms of ratio of material  collected  to total
     input to the collector unless specific size fractions of the
     contaminant are stated or required.
                                  -2-

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12.   Combustible or Flammable Solid Waste:   any garbage,  rubbish,
     trash, rags, paper,  boxes,  crates,  excelsior,  ashes, offal,
     carcass of a dead animal, or any other combustible or  flamm-
     able refuse matter which is in solid form.

13.   Combustible Refuse;   any solid or liquid combustible waste
     material containing  carbon in a free or combined  state.

14.   Combustion Contaminants:  matter discharged into  the atmosphere
     from the burning of  any kind of material, excluding  carbon
     dioxide and water.

15.   Conditions:  as they appear in the table of ambient  air  quality
     standards, specify the applicability or interpretation of the
     associated standard.

16.   Condensed Fumes;  particulate matter generated by the  condensa-
     tion of vapors evolved after volatilization from  the molten or
     liquid state, or may be generated by sublimation, distillation,
     calcination or chemical reaction, when these processes create
     airborne particles.

17.   Continuous Flow Conveying Methods:  transporting of materials  at
     uniform rates of flow, or at the rates generated  by  the  produc-
     tion process.

18.   Control Officer:  the Air Pollution Control Officer  of the Air
     Pollution Control District of Mendocino County.

19.   District or Control  District:  the Air Pollution  Control
     District of Mendocino County, the boundaries of which  are coin-
     cidental with the county's boundaries.

20.   Dust:  minuteasolid  particles released into the air  by natural
     forces or by mechanical processes such as crushing,  grinding,
     milling, drilling, demolishing, shoveling, conveying,  covering,
     bagging, sweeping, etc.                             .

21.   Emission:  the act of passing into the atmosphere an air con-
     taminant or gas stream which contains an air contaminant, or
     the air contaminant  so passed into the atmosphere.

22.   Emission Point;  the place, located in a horizontal  plane and
     vertical elevation,  at which an emission enters the  atmosphere.

23.   Equipment;  any article, machine, equipment or other contrivance
                                 -3-

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     the use of which may cause the issuance of air contaminants
     or which may be designed for or used to control  air contamin-
     ants.

24.  Equivalent Method:   any procedure for measuring  the concen-
     tration of a contaminant, other than that specified in  the air
     quality standard for the contaminant, which can  be shown  to  the
     satisfaction of the Air Resources Board or the Air Pollution
     Control District Board to give equivalent results  at or near
     the level of the air quality standard.

25.  Excess Air;  the quantity of air that exceeds the  theoretical
     quantity of air required- for complete combustion.

26.  Existing Source or Equipment;  any air contamination source  or
     equipment in use or existant at the use site at the time  of
     adoption of these regulations.

27.  Flue;  any duct or passage for air, gases, or the  like, such
     as a stack or chimney.

28.  Health and Safety Code;  the Health and Safety Code of the
     State of California in its latest amended form.

29.  Hearing Board;  the Hearing Board of the Air Pollution Control
     District of Mendocino County.

30.  Hot Mix Asphalt Plant:  a plant conveying proportion quantities
     or batch loading of cold aggregate to a drier, and heating^
     drying, screening, classifying, measuring and mixing the
     aggregate and asphalt for the purposes of paving,  construction,
     industrial, residential or commercial use.

31.  Hydrogen Sulfide:  a colorless, noxious gas having the molecular
     form
32.  Incineration:  an operation in which the combustion is carried
     on for the principal purpose, or with the principal result, of
     oxidizing a waste material to reduce its bulk or facilitate its
     disposal.

33.  Industrial Area;  any area used for the manufacturing, process-
     ing, fabricating, refining, repairing, packaging or treatment of
     goods, materials, liquids and flammable or explosive matter or
     materials.
                                 -4-

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34.  Installation:   the placement,  assemblage  or contraction of
     equipment or control  apparatus at the premises  where  the
     equipment or control  apparatus will  be used, and  includes all
     preparatory work at such premises.

35.  Micrograms Per Cubic Meter (ug/m3):   a unit of  concentration
     which is numerically equal to  the mass of a contaminant  (in
     micrograms) present in one cubic meter sample of  air, measur-
     ed at standard conditions.

36.  Most Relevant Effects:  effects which ambient air quality
     standards are intended to prevent or abate.

37.  New Sources or Equipment:  any pollution  source or any equipment
     constructed or installed after the effective date of these
     regulations.  Any air pollution source or equipment replaced,
     altered or processes, changed as to have any substantial  effect
     on the production or control of air contaminants.  Any air
     pollution source or equipment moved to another  premise in-
     volving a change of address.  Any equipment purchased and  to be
     operated after effective date of these regulations by a new
     owner or when a new lessee desires to operate such equipment.
     Any equipment that is or has been shut down,put out of service
     or otherwise made inoperative for 180 days and  which is to  be
     put back into service.

38.  Nitrogen Dioxide:  a red-brown gas, odorless under atmospheric
     conditions, having the molecular form NOg.

39.  Open Outdoor Fire:  any combustion of solid or liquid waste
     outdoors in the open, not in any enclosure, where the products
     of combustion are not directed through a flue.

40.  Operation;  any physical action resulting in a  change in the
     location, form or physical properties of a material, or any
     chemical action resulting in a change in the chemical composi-
     tion or the chemical or physical properties of a material.

41.  Orchard or titrus Grove Heater;  any article, machine, equip-
     ment or other contrivance, burning any type of fuel or material
     capable of emitting air contaminants, used or capable of being
     used for the purpose of giving protection from frost damage.
                                  -5-

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42.  Over Fire Air:  air introduced into a tepee or wigwam burner
     or other type incineration device after the primary combustion
     has occurred.

43.  Owner;  includes but is not limited to any person who leases,
     supervises or operates equipment, in addition to the normal
     meaning of ownership.

44.  Oxidant:  a substance that oxidizes a selected reagent that  is
     not oxidizable by oxygen under ambient conditions.  It in-
     cludes ozone, organic peroxides, and peroxacyl nitrates,  but
     not nitrogen dioxides for purposes of these regulations.

45.  Parts Per MillioiV (PPM);  a volumetric unit of gas concentration
     which is numerically equal to the volume of gaseous contaminant
     present in one million volumes of air.

46.  Particulate Matter;  discrete atmospheric particles of liquid,
     other than uncombined water, or solids, as distinguished  from
     a gas or vapor.

47.  Person or Persons:   an individual, public or private corporation
     political subdivision, agency, board, department or bureau of
     the state, municipality, partnership, co-partnership, firm,
     association, trust or estate, or any other legal entity
     whatsoever which is recognized in law as the subject of rights
     and duties.

48.  Prevailing Visibility:  the greatest visibility which attained
     or surpassed around at least half of the horizon circle,  but
     not necessarily in continuous sectors, as determined by the
     procedure given in Weather Bureau, Army and Navy.

49.  Process Weight Per Hour;  the total weight, including contained
     moisture, of all materials introduced into any specific process
     which process may cause any discharge into the atmosphere.
     Solid fuels charged will be considered as part of the process
     weight, but liquid and gaseous fuels and combustion air will not.
     The "process weight per hour" will be derived by dividing the
     total process weight by the number of hours in one complete
     operation from the beginning of any given process to the comple-
     tion thereof, excluding any time during which the equipment is
     idle.  For continous processes, the total weight of materials
     per twenty-four (24) hour period will be used in calculations.
                                 -6-

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50.  Refuse;  anything thrown away or rejected or worthless  or
     useless; waste, rubbish; including but not restricted to  domes-
     tic garbage, lawn and shrubbery trimmings; commercial wastes
     such as garbage, cardboard, paper; industrial wastes.

51.  Regulation:  one of the major subdivisions of these regula-
     tions.

52.  Residential-Commercial Area;  any area used for single  or
     multiple family dwelling purposes, including all accessory uses
     and facilities; any retail sales facility, professional offices,
     institutional and recreational uses and facilities and  highway
     service activities.

53.  Section;  refers to a section of the Health and Safety  Code
     of the State of California unless some other statute is
    ' specifically mentioned.

54.  Standard Conditions:  as used in these regulations, refers to
     a gas temperature of sixty (60) degrees Fahrenheit and  a gas
     pressure of fourteen and seven-tenths (14.7) pounds per square
     inch absolute.

55.  Standard Cubic Foot of Gas:  the amount of gas that would
     occupy a volume of one (1) cubic foot\ if free of.combined water,
     at standard conditions.  When applied to gaseous combustion
     products, "standard cubic foot" also implies adjustment of gas
     volume to that which would result at a concentration of twelve
     percent (12%) carbon dioxide or fifty percent (50%) excess air.

56.  Sulphur Dioxide;  a colorless, irritating gas under atmospheric
     conditions, having the molecular form S02«

57.  Tepee or Wigwam Burner:  a burner of wood wastes, consisting  of
   ,  a single burning chamber having the general features of a
   i  truncated cone, and generally used in conjunction with  sawmills,
   ,  lumber mills and similar activities.

58.'  Total Reduced Sulfides (TRS);  reduced sulfur contained in
     hydrogen sulfide, mercaptans, dimethyl sulfide, dimethyl disul-
     fide or other organic sulfide compounds, all expressed  as
     hydrogen sulfide.  Sulfur dioxide, sulfur trioxide, or  sulfuric
     acid mist are not to be included in the determination of TRS.

59.  Underfire Air:  air introduced into a tepee or wigwam burner or
                                 -7-

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                 other type incineration  device  beneath  the  fuel  pile or  into
                 the primary combustion chamber.

            60.   Visibility Reducing  Particles:   atmospheric particles  in the
                 light scattering  size range.

(2.0)    PART IV  - OFFICERS. EMPLOYEES, DUTIES, HEARING BOARD.  COMPENSATION.

            1.    Board;  the Board of Supervisors of the County shall be, and are
                 hereby designated as, and empowered to  act  as, ex-officio the
                 Air Pollution  Control Board of  the  Air  Pollution Control
                 District (Sect. 24220 H  and S Code).

            2.    Control  Officer;   the Board shall appoint an Air Pollution
                 Control  Officer  (Sect.24222, H  and  S Code).   For the purposes
                 of enforcing these regulations  and  the  provisions of Division  20,
                 Chapter 2, and Division  26, Part 1, Chapter 3.5, of the  Calif-
                 ornia Health and  Safety  Code, the Control Officer is a peace
                 officer.

            3.    Other Employees;   the Board may provide for assistants,  deputies,
                 clerks,  and other employees to  be employed  by the Air  Pollution
                 Control  Officer and  the  times at which  they shall be appointed
                 (Health  and Safety Code, Section 24223).
                 For the  purposes  of  enforcing these regulations  and the  provi-
                 sions of Division 20, Chapter 2, and Division 26, Part 1,
                 Chapter 3.5, of the  California  Health and Safety Code, the Board
                 may appoint certain  District employees  as peace  officers.

            4.    Duties of Control Officer;  the Air Pollution Control  Officer
                 shall observe  and enforce,  within the control district:

                     (a)   the provisions  of Chapter  2, Division 20 and  Chapter
                          3.5,  Part.l Division 26 of the Health and Safety Code
                          and all  provisions of  the  Vehicle  Code  relating to
                          the emission or control of air contaminants.

                     (b)   all orders, regulations, and rules prescribed by the
                          Air Pollution Control  Board of the district.

                     (c)   all variances and standards which  the hearing board
                          prescribes  pursuant to Article 5,  Chapter 2,  Division
                          20 of the Health and Safety Code and these regulations.
                          (H and S 24224  as amended  1970).
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                  Hearing Board;   the Board shall  appoint a  Hearing  Board  to
                  consist of three (3) members,  none of whom is  otherwise
                  employed by the Air Pollution  Control District or  by  the
                  County.  Two (2) members shall  have been admitted  to  practice
                  law in the State of California.   One (1) member shall  be a
                  chemical or mechanical  engineer.  If the Board is  unable
                  to find a person with these qualifications, it may fill  the
                  vacancy with any person (H and S 24225).

                  Compensation:  the Board shall  determine the compensation of
                  and pay from district funds, the Air Pollution Control Officer,
                  all of his assistants,  deputies, clerks, and other employees
                  and members of the Hearing Board (H and S  24227).
(2.0)    PART V - PROHIBITIONS AND STANDARDS.

(50.1.2)      1.   Visible Emissions
                      A.  A person shall not discharge into the atmosphere from
                          any single source of.emission whatsoever any air con-
                          taminant for a period or periods aggregating more than
                          three (3) minutes in any one (1) hour which is:

                           (1) as dark or darker in shade as that designated as
                               No. 2 of the Ringlemann Chart, as published by the
                               United States Bureau of Mines, or

                           (2) of such opacity as to obscure an observer's view
                               to a degree equal to or greater than does smoke
                               described in subsection (1) of the section.

                      B.  Visible emissions from any new source shall not
                          discharge into the atmosphere from any single source
                          of emission whatsoever any air contamination for a
                          period or periods aggregating more than three (3)
                          minutes per hour which is:

                           (1) as dark or darker in shade as that designated
                               as No. 1 on the Ringlemann Chart as published by
                               the United States Bureau of Mines, or

                           (2) of such opacity as to obscure an observer's
                               view to a degree equal to or greater than does
                               smoke described in subsection (a) of this section.

                           Existing visible emissions sources will comply with
                           subsection V-1B by 1 January 1974.
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                     C.   Exclusions - the provisions of Part V - 1,  "Visible
                         Emissions", do not apply to emissions:

                          (1)  from fires set by or permitted by any  public
                              officer if such fire is set or permission given
                              in the performance of the official duty of such
                              officer, and such fire in the opinion  of such
                              officer is necessary:

                               (a) for the purpose of the prevention of a fire
                                   hazard which cannot be abated by  any other
                                   means, or

                               (b) for the instruction of public employees in the
                                   methods of fighting fire.
                          (2)  from fires set pursuant to permit on property  used  .
                              for industrial purposes for the purpose of instruc-
                              tion of employees in methods of fighting fire  (H
                              and S 24245).  '

                          (3)  of agricultural  operations and associated necessary
                              odors in the growing of crops, raising of fowls or
                              animals (H and S 24251 and 39077.5).

                          (4)  from fires set for improvement of watershed, range,
                              or pasture (H and S 39077.4)..

                          (5)  of orchard or citrus grove heaters which do not pro-
                              duce unconsumed solid carbonaceous matter at a rate
                              in excess of one (1) gram per minute  (H and S
                              24251).

                          (6)  from the use of other equipment in agricultural
                              operations in the growing of crops, or raising of
                              fowls or animals (H and S 24251).                  ;

                          (7)  from fires set pursuant to an open burning permit '
                              issued by the Control  Officer (H and S 39077.4).   .

(50.1)       2.   Particulate Matter  Emissions;

                     A. Prohibitions:

                          (1) combustion contaminants discharged into the at-
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                              mosphere from any source shall not exceed;

                                (a) two-tenths (0.2) grain per standard cubic
                                   foot for equipment in use at the time of
                                   adoption of these regulations, or

                                (b) one-tenth (0.1) grain per standard cubic
                                   foot for new equipment.

                                (c) equipment in use at the time of adoption
                                   of these regulations shall comply by 1
                                   January 1972.

                           (2) other sources - particulate matter discharged
                              into the atmosphere from other than combustion
                              sources shall not exceed:

                                (a) two-tenths (0.2) grain per standard cubic
                                   foot, or

                                (b) the total process emission from a single
                                   premise source for any dust, condensed fume,
                                   or other particulate matter is given in
                                   Table 1 (Appendix).  The more stringent of
                                   a. or b^ shall apply.

                                (c) equipment in use at the time of adoption
                                   of these regulations will comply by 1
                                   January 1972.

(50.2)      3-   Total Reduced  Sulfides (TRS). expressed as hydrogen sulfide,
                 discharged into the atmosphere, shall not exceed:

                     A.  Three-hundredths (0.03) PPM for an aggregate period of
                         sixty  (60) minutes during any twenty-four (24) consecu-
                         tive hours at ground level, or

                     B.  Seventeen (17) PPM from any point source at any time, or

                     C.  One-half (%) pound per ton of dry wood processed per
                         month  for any integrated manufacturing facility designed
                         for conversion of wood materials into pulp and/or paper
                         or other products.  Wood materials used exclusively for
                         fuel are not to be considered as part of the conversion
                         process.
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(50.7)      4.   Other Emissions or Contaminants,

                     A.  General:  No person shall discharge from any non-
                         vehicular source whatsoever such quantitites of air
                         contaminants or other material which cause injury,
                         detriment, nuisance, or annoyance to any considerable
                         number of persons or to the public, or which endanger
                         the comfort, repose, health, or safety of any such
                         persons or the public, or which cause or have a natural
                         tendency to cause injury or damage to business or
                         property  (H and S Code, Sections 24243 and 39077).
                         This does not apply to odors emanating from agricultural
                         operations in the growing of crops or raising of fowls
                         or animals (H and S Code, Section 24251.1).

(50.1)                B.  Open Storage:  Storing of materials that will readily
                         give rise to air-borne particulate matter which will
                         escape the premise of origin shall not be permitted.

(50.1)                C.  Transporting and Handling:  Transporting or handling of
                         any material in a manner which allows or may allow un-
                         necessary amounts of particulate matter to become air-
                         borne shall not be permitted.

(51.13)               D.  Open Burning:

                          (1) No person shall use open fires for the purpose of
                              disposal of petroleum wastes, demolition debris,
                              tires, trees, wood waste, or other combustible or
                              flammable solid or liquid waste, or for metal
                   *           salvage or burning of automobile or other vehicle
                              bodies; provided, however, that until January 1,
                              1972, the Air Pollution Control Officer, pursuant
                              to Section 24245.1 of the Health and Safety Code,
                              may issue permits for open burning for the purpose
                              of disposal of demolition debris, trees, and wood
                              waste to the extent that such do not include tar
                              or petroleum-derived materials.  The Air Pollution
                              Control Officer may delegate the. authority to issue
                              the aforesaid permits by deputizing his staff
                              personnel and any other person having the authority
                              under state, federal, or county law to issue any
                              permit related to open burning.

                          (2) Burning of tires for frost prevention, or any other
                                            -12-

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    purpose, shall  not be permitted.   Burning  in  open
    buckets for frost prevention shall  not  be  allowed
    after January 1,  1973.

(3) No open burning of any type shall  be permitted  with-
    in two (2) miles  of the city limits of  any incorpor-
    ated city having  a population density in excess of
    seven hundred fifty (750)  persons  per square  mile.
    Burning may be allowed only in incineration devices
    approved by the district.   No permit shall be re-
    quired to operate such an  approved device.

(4) No person shall ignite or  cause to be ignited,  per-
    mit to be ignited or suffer, allow or maintain  any
    open outdoor fire except as follows:

     (a) fires used only for the cooking of food  for
         human beings or for recreational purposes, or

     (b) fires permitted under exceptions to the
         "Visible Emissions" Prohibitions,  Section  V of
         these regulations, or

     (c) fires set or caused to be set as backfires
         necessary to save life or valuable property
         pursuant to Section 4426 of the Public
         Resources Code (H and S 39297), or

     (d) fires set to abate fires pursuant  to  Chapter
         2 (commencing with Section 13025)  of  Part  1 of
         Division 12, Health and Safety Code,  "Fires and
         Fire Protection" (H and S 29297).

(5) Nothing in Part V-4D shall be construed as prohibit-
    ing agricultural  burning authorized pursuant  to
    these regulations and the  Health and Safety Code
    (H and S 39297.1).

(6) Nothing in Part V-4D shall be construed as prohibit-
    ing burning for the disposal of combustible or
    flammable solid waste of a single - or  two-family
    dwelling on its premises (H and S 39397.2), except
    as prohibited in  V-4D-3 above.
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                          (7)  Nothing  in  Part  V-4D  shall  be  construed to  pro-
                              hibit burning  for  right-of-way clearing by  a
                              public entity  or utility  or for levee and ditch
                              maintenance (H and S  39297.3).

(51.21)            E.   Animal Matter:

                          (1)  A person shall not operate  or  use any article,
                              machine, equipment of other contrivance for the
                              reduction of animal matter  unless all gases,  vapors
                              and gas-entrained  effluents from such an article,
                              machine  equipment  or  other  contrivances are:

                               (a)  incinerated at temperatures of  not less  than
                                   one thousand  two hundred  (1,200) degrees
                                   Fahrenheit  for a period of not  less than three-
                                   tenths (0.3)  second, or

                               (b)  processed in  a manner  determined by the
                                   Control Officer  to be  equally,  or more,  effect-
                                   ive for the purpose  of air pollution control
             _.	       than (a)  above.

(51.13)            p.   Agricultural  Burning:  burning will be subject to regula-
                      tion and control guide lines  set  up by the Air Resources
                      Board of the State  of  California  as authorized under
                      Article  4, Chapter  10, Part 1 of  Division 26, the Health
                      and Safety Code. Burning  is  to be  regulated by permit with
                      consideration for meteorological  conditions, quantity and
                      nature of material  to  be burned and the probable effect
                      of such  burning  on  the ambient air  quality within the Basin.
                      No guidelines for the  North Coast Air  Basin  have been issued
                      at the time of enactment of these regulations.

 (51.1)            G.   Orchard  Heaters:

                          (1)  No new orchard or  citrus  heater produced or manu-
                              factured shall be  sold for  use against frost  damage
                              after 1  January  1971, unless it has  been approved
                              by the California  Air Resources Board. (H and S
                              39298.7).

                          (2)  The District may allow continued use of orchard
                              heaters, until 1 January  1975,  that  will not  comply
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                             with these regulations if provisions of these
                             regulations would preclude the use of such heaters
                             and be a serious economic hardship to the owners
                             or operators of the heaters or the practical
                             elimination of agricultural operations now being
                             carried out within the District (H and S 24265.5).
                             After 1 January 1974, all orchard heaters shall be
                             of a type which produces unconsumed solid carbon-
                             aceous matter at a rate of not more than one (1)
                             gram per minute.  Permits are not required for
                             orchard heater operation.

(51.16)           H.  Gasoline Storage:  the following sections of State Health
                     and Safety Code, and any Future amendments thereto, are
                     part of these Regulations by Reference:  Section 29068.2,
                     et. seq., Article 2, Chapter 3, Part I, Division 26.

(51.6)           I.  Sulfur Oxide Emissions:  no person shall discharge from
                     any non-vehicular source, whatsoever, quantities of sulfur
                     oxides, calculated as sulfur dioxide (SO/>), exceeding 1000
                     PPM at any time.                        *.   '   .

(4.0)       5.  Ambient Air Standards

                 A.  Suspended particulate matter shall not exceed:

                      (1) Sixty (60) micrograms per cubic meter, based on the
                          annual geometric mean of twenty-four (24) hour samples,
                          or

                      (2) One hundred (100) micrograms per cubic meter for any
                          single twenty-four (24) hour sample.

                 B.  Dustfall or fallout particulate matter shall not exceed:

                      (1) Fifteen (15) tons per square mile in any residential-
                          commercial area, based on one (1) month averaging
                          period, or

                      (2) Thirty (30) tons per square mile 1n any industrial area,
                          based on a one (1) month averaging period.

                      (3) Thirty (30) tons per square mile in any industrial area,
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                          based on a  one (1)  month  averaging  period.

                 C.   Sulfur Dioxide measured  at ground  level  shall  not  exceed:

                      (1)   Two (2) PPM at any time, or

                      (2)   Four-hundredths (0.04) PPM during  a  twenty-four  (24)
                           hour averaging period, or

                      (3)   Five-tenths (0.5)  PPM for any one  hour sampling  period.

                 D.   Other Ambient Air Standards as set forth by  the Air  Resources
                     Board of the State of California,  shall  be considered  minimum
                     standard for the Mendocino County  Air Pollution Control
                     District.  These may be  reviewed from time to time at  the
                     discretion of the Board  and made more stringent if conditions
                     so warrant.

(7.0)   PART VI - MAINTENANCE. MALFUNCTION. EVASION, INSPECTION.

            1.    Maintenance:  emissions exceeding  any  Air Pollution District
                 standard  as a direct result  of a shutdown of equipment for
                 scheduled maintenance shall  not be deemed to be  a violation
                 of these  regulations provided:

                 A.   A report shall be submitted to the Control Officer at  least
                     twenty-four (24) hours prior to shutdown,  and

                 B.   The person responsible for such emissions  shall complete
                     maintenance with reasonable speed.   The  Control Officer
                     may require in writing a full  report on  such occurrences
                     if the nature of emissions or  length of  shutdown warrants.

            2.    Malfunction of Equipment;

                 A.   Emissions exceeding any  of the limits established  in these
                     regulations as a result  of equipment or  installation mal-
                     function shall be deemed in violation unless:

                      (1)   The Control Officer or department  is notified  within
                           four (4) hours of  malfunction onset  which would  be
                           expected to result in increased emissions, and
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         (2)  The person responsible for the equipment or in-
              stallation operations, upon request of the Control
              Officer, makes a full report, including causes  and
              preventative measures to be taken to minimize  or
              eliminate a reoccurrence within ten (10) working
              days of occurrence.

         (3)  The Control Officer upon investigation concurs that
              the upset or breakdown was unavoidable and unfore-
              seeable.

    B.  On receipt of notification the Control Officer may permit
        the continuance of operation for a period not to exceed ten
        (10) days provided that written application is made  to the
        Control Officer.  Such application shall be made within
        twenty-four (24) hours of the malfunction or within  such
        other time period as the Control Officer may specify.   In
        the case of major equipment failure, the Control Officer
        may permit additional time for correction provided a
        corrective program has been submitted by the person  and
        approved by the Control  Officer.

3.  Evasion;  No person shall cause or permit the installation or
    use of any device of any means which, without resulting  in
    reduction in the total amount of air contaminant emitted,  con-.
    ceals or dilutes an emission of air contaminant which would
    otherwise violate an air pollution control regulation.

4.  Inspection; The Control Officer, during reasonable hours,  for
    the purpose of enforcing or administering these regulations
    or any provisions of the Vehicle Code relating to the emissions
    or control of air contaminants, or of any order, regulation or
    rule prescribed pursuant thereto, may enter every building,
    premises, or other place, except a private residence and may
    stop, detain, and inspect any vehicle, designed for and used
    on a public highway but which does not run on rails.  Every
    person is guilty of a misdemeanor who in any way denies,
    obstructs or hampers such entrance, or such stopping, detaining
    or inspection of such vehicle, or who refuses to stop such a
    vehicle, upon the lawful order of the Control Officer (H and
    S 24246).
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(3.0)    PART VII  - PERMITS.
           .1.    Registration;   these regulations  do not constitute  an  automatic
                 permit for the installation or operation of any equipment  in
                 existence upon the effective date   of these regulations.   Upon
                 request of the Control  Officer, any source  of emission, actual
                 or potential,  shall  register with the District.   Any  owner,
                 operator or user of any equipment in use at the time of adoption
                 of these regulations and subject  to these regulations  who  is
                 required to register shall  be allowed thirty (30) days to
                 register to obtain a permit to operate and  to furnish  the
                 Control Officer with information  required.   Registration infor-
                 mation required may include all information required under
                 VII-4 relating to operating permits.

            2.    Construction,  Alteration,  Replacement, Sale or Rental; permits
                 shall be required to construct, erect, alter, replace, sell or
                 rent any equipment which may cause,  potentially cause, reduce
                 control or eliminate the issuance of air contaminants. Written
                 authority to construct, alter, replace, sell  or rent shall  be
                 obtained from  the Control  Officer prior to  starting construction,
                 erection, alteration, sale or rental.  A single permit may be
                 issued for all components  of an integrated  system or process.
                 Plans and specifications,  drawn in accordance with  acceptable
                 engineering practices,  may be required as a prerequisite to
                 permit issuance.  The authority to construct shall  remain  in
                 effect for one (1) year or until  a permit for operation if
                 issued, whichever occurs first. If the authority to construct
                 expires prior  to issuance  of a permit to operate, the  authoriza-
                 tion may be extended one year at  the request of permittee.  A
                 renewal fee may be assessed.  Construction  not in accordance
                 with this permit shall  be  sufficient reason to deny a  permit
                 to operate.

            3.    Notice of Completion:  notice shall be provided in  writing to
                 the Control Officer of the completion of construction, alteration
                 or replacement and the date when  operation  will commence.

            4.    Operation;  permits shall  be required to operate any equipment
                 which may cause, potentially cause, reduce, control or eliminate
                 the issuance of air contaminants.   No permits to operate shall
                 be granted by  the Control  Officer or Hearing Board  unless  the
                 equipment is designed to meet standards set forth in these
                 regulations and the regulations of the Air  Resources Board of
                 the State of California and the following further requirements
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are met:

A.  Registration shall be completed within thirty (30) days
    following the mailing date of the request by the Control
    Officer.

B.  Registration shall be made on forms furnished by the
    District and completed by the owner, lessee, or agent of
    the source.

C.  The following information may be required of the
    registrants:

     (1)  Name, address, owner and nature of business.

     (2)  Name of local person responsible for compliance with
          these rules and regulations.

     (3)  Name of person authorized to receive requests for
          data and information.

     (4)  A description of the production processes and a
          related flow chart.

     (5)  A plot plan showing the location and height of all
          air contaminant sources.  The plot plan shall also
          indicate the nearest residential or commercial
          property.

     (6)  Type and quantity of fuels used or wastes combusted.

     (7)  Amount, nature and duration of air contaminant
          emissions.

     (8)  Estimated collection efficiency of air pollution
          control equipment under present or anticipated
          operating conditions.

     (9)  Amount and method of refuse disposal.

D.  Re-Registration will be carried out:

     (1)  Annually upon the date of initial registration,
          by person responsible for the air contamination
          source reaffirming in writing the correctness
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               and current status of the information furnished
               the District, or

          (2)  At any time changes in the factual  data reported
               under Section VI1-3 occur, such changes shall  be
               reported to the District in writing.   Re-registration
               may be required on forms furnished  by the District.

5.   Approval:  a permit, conditional permit or notice of approval  to
     construct, alter, replace, sell, rent or operate does not
     relieve the owner or operator of the responsibility of com-
     plying with the emission standards and regulations of this
     District,  the Air Resources Board and the Health and Safety Code.

6.   Posting of Permits: permits shall be posted on  the equipment.
     Posting shall consist of affixing the permit, and approved
     facsimile, or other approved identification bearing the permit
     number upon the equipment in such a manner to be clearly visible
     and accessible.
     In the event that the equipment is so constructed or operated
     that the permit to operate cannot be so placed, the permit to
     operate shall be mounted so as to be clearly visible in an
     accessible place within twenty-five (25) feet of the equip-
     ment, or maintained readily available at all  times on the
     operating  premises.

7.   Transfer of Permits: permits are non-transferrable from one
     location to another, from one piece of equipment to another,
     or from one person to another.

8.   Conditional Permits: the Control Officer may issue an authority
     to construct  or permit to operate or use, subject to con-
     ditions which will bring the operation of any equipment within
     the applicable standards set forth in these regulations, in
     which case the conditions shall be specified in writing.
     Commencing work under such an authority to construct or
     operation under such a'permit to operate shall  be deemed accept-
     ance of all the conditions so specified.  The Control Officer
     may issue an authority to construct or permit  to operate
     with revised conditions upon receipt of a new application, if
     the applicant demonstrates that the equipment can operate
     within the standards of these regulations under the revised
     conditions.        :
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9.   Bse Permits; permits to construct, alter, replace,  or operate
     issued under these regulations do not replace,  supplant or
     negate the need for a Use Permit issued by the  Planning
     Commission under Section 20-74 of the Mendocino County Code.

10.  Action on Applications: the Control Officer shall  act promptly
     on an application for authority to construct, alter, replace,
     sell or rent, or permit to operate, and shall notify the
     applicant in writing by mail or in person, of the action taken,
     namely approval, conditional approval, of denial.   Notice
     of action taken shall be deemed to have been given when the
     written notification has been deposited in the mail, postpaid,
     addressed to the address shown on the application, or when
     personally delivered to the applicant or his representative.

11.  Exclusions;  permits shall not be required for:

     A.  Any vehicle as defined in the Vehicle Code.

     B.  Any structure designed for and used exclusively as a
         dwelling for not more than two (2) families.

     C.  An incinerator used exclusively in connection with such a
         dwelling structure.                              .

     D.  Barbecue equipment which is not used for commercial
         purposes.

     E.  Orchard or citrus grove heaters described in 11 of this
         subsection and in section V-IE of these regulations (H and
         S 24251).

     F.  Repairs or maintenance not involving structural changes
         to any equipment for which a permit has been granted.

12.  Fees for Permits:  the Air Pollution Control Board may provide
     a schedule of fees not exceeding the estimated cost of issuing
     permits and inspection pertaining to such.

13.  Source Emission Testing;  in the event that emission occurs,
     or  is likely to occur, which is in excess of that allowed by
     these regulations, or if the nature of the emissions warrents,
     emission source or emission premise monitoring may be required
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     as  follows:

     A.   The  source  owner or operator may be required to perform
         or have  performed  tests to determine the emission of air
         contaminants  from  any  source.  Tests must be conducted by
         reputable,  qualified personnel and in accordance with
         good professional  practice and acceptable methods.  The
         District may  observe such testing at any time and be
         supplied with a copy of test results in writing, signed
         by the person responsible.

     B.   Require  the installation of emission monitoring equipment
         on a permanent basis so the operators of air contamina-
         tion sources  may know  the nature and extent of emission.
         Records  of  such monitoring shall be available to the
         District upon demand.  Such monitoring must be done by
         qualified personnel and with acceptable methods.

     C.   The  District  may conduct emission tests on any premise.
         The  owner shall  provide necessary holes, stacks, ducts,
         platforms or  other such safe and proper sampling and
         testing  facilities.  Any construction required shall be
         in accordance with the General Industrial Safety Orders
         of the State  of California.  If permanent monitoring is
         deemed necessary,  any  equipment needed shall be provided
         and  maintained by  the  owner under the general direction
         of the District.   Copies of any District testing result
         shall be provided  the  owner upon request.

14.  Plans and Specifications:   the Control  Officer at any time
     may require  from an  applicant for, or holder of any permit
     provided for by these regulations, such information,  analysis,
     plans,  or specifications  as will  disclose the nature,  extent,
     quantity or  degree of air contaminants  which are or may be
     discharged by such source (H and  S 24269).   Any plans or
     specifications  that  should be considered confidential  should be
     clearly designated and so certified by  the owner or operator.

15.  Suspension of Permit:

     A.   Any permit  issued under these  regulations  may be sus-
         pended by the Control  Officer, Board of Hearing Board  for
         violation  of any regulation  or standard of the  District.
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     B.  If the holder of any permit provided for by these
         regulations within fifteen (15) days (H and S says
         "reasonable" time) wilfully fails and refuses to fur-
         nish to the Control Officer information, analyses, plans
         or specifications requested, the Control Officer may
         suspend the permit.  Written notice of such suspension
         and the reasons therefore shall be served the permittee
         (H and S 24270).

     C.  Within ten (10) days after receipt of notice of suspen-
         sion the permittee may file with the Hearing Board a
         demand for a public hearing as to whether or not the
         permit was properly suspended (H and S 24271).

16.  Reinstatement of Permit:

     A.  The Control Officer shall reinstate a suspended permit
         when all information, analyses, plans and specifications
         are furnished (H and S 24272).

     B.  The Control Officer may reinstate a suspended permit
         where, in his opinion, good reasons exist therefore
         (H and S 24273).

     C.  The Control Officer may request the Hearing Board to
         hold a public hearing to determine whether a permit should
         be revoked, or a suspended permit should be reinstated
         (H and S 24274).

     D.  Within thirty (30) days after either the Control Officer or
         the permittee has requested a public hearing, the Hearing
         Board shall hold such hearing and give notice of the time
         and place of such hearing to the permittee, to the Control
         Officer and to such other persons as the Hearina Board
         deems should be notified, not less than ten (10) days be-
         fore the date of the public hearing (H and S 24275).

     E.  After a public hearing the Hearing Board may:

          (1)   Continue the Suspension of a permit suspended by the
                Control Officer, or

          (2)   Remove the suspension of an existing permit invoked
                by the Control Officer pending the furnishing by
                                -23-

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                the permittee of the information,  analyses,  plans
                and specifications required, or

          (3)   Find that no violation exists and  reinstate  an
                existing permit, or

          (4)   Revoke an existing permit, if it finds:

                (a) . the permittee has failed to correct any con-
                     ditions required by the Control  Officer, or

                (b)  a refusal of a permit would be justified, or

                (c)  fraud or deceit was employed  in  the obtaining
                     of the permit, or

                (d)  any violation of these regulations  or Chapter
                     2 of the H and S Code (H and  S 24276).

17.  Denial  of Applications:

     A.  In the event of denial of an authority to construct, permit
         to operate or permit to sell or rent, the Control Officer
         shall notify the applicant in writing of  the reasons there-
         fore.  Service of this notification may be made in  person
         or by mail, addressed to the applicant at the address set
         forth on the application, and such service may be proved
         by the written acknowledgement of the persons served or
         affidavit of the person making the service.   The Control
         Officer shall not accept a further application  unless the
         applicant has complied with the objections specified by
         the Control Officer as his reason for denial of the
         authority to construct, the permit to operate or the permit
         to sell or rent.

     B.  Before acting on an application for authority to construct,
         permit to operate or permit to sell or rent, the Control
         Officer may require the applicant to furnish further infor-
         mation or further plans or specifications.

     C.  Failure of the Control Officer to act upon an application
         to construct, alter, replace, sell or rent within sixty (60)
         days of initial application or within thirty (30) days after
         the applicant furnishes further information, plans  and
         specifications requested by the Control Officer, whichever
                                -24-

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                     is  later,  shall be considered a denial of permit.
                     The applicant may thereafter petition the Control
                     Officer  for  action.

                D.    Within ten (10) days  after notice by the Control
                     Officer  of denial or  conditional approval of an authority
                     to  construct, permit  to operate or use or permit to sell
                     or  rent  or within ten (10) days after the application is
                     deemed denied pursuant to C above, the applicant may
                     petition the Hearing  Board, in writing, for a public
                     hearing.  The Hearing Board, after notice and a public
                     hearing  held within thirty (30) days after filing the
                     petition,  may sustain, reverse or modify the action of the
                     Control  Officer; such order may be made subject to
                     specified  conditions.

           18..  Schedule of Compliance;  A person responsible for emission
                which is not  in compliance with these regulations on their
                effective date  or a  person found by the Control Officer at
                a later  date  not  in  compliance, shall submit to the Control
                Officer  for approval a schedule for compliance containing
                estimates of  time for engineering, time for procurement, time
                for fabrication and  time for installation and adjustment.  The
                schedule shall  be submitted within sixty  (60) days of the
                initial  request.  The original schedule may be amended within
                ninety (90) days  of  the original request, provided the material
                facts are presented  in writing, indicating a different
                reasonable schedule.  Failure  of the applicant to comply with
                the original  or modified schedule may result in:

                A.   Further demand by the'Control Officer for a compliance
                    schedule  or reports as necessary to show reasonable progress,
                    or

                B.   Application of enforcement procedures contained  in  these
                    regulations if unreasonable delay has  occurred without
                    significant progress.   Submission of  a schedule  of  com-
                    pliance is  not a permit to continue in violation  of these
                    regulations.

(8.0)   PART VIII - EMERGENCY CONDITIONS.

       In the event  of  generalized atmospheric conditions or localized dangerous
       contamination of such a nature to  warrant, the Control Officer may take
                                           -25-

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        immediate action and instruct person  or persons  contributing  to  air
        pollution to reduce or discontinue  immediately the  emission of air
        contaminants.   A hearing may.be  held  by the  Hearing Board within twenty-
        four (24) hours of such action.

(16.0)  PART IX - ABATEMENT.

        The Air Pollution Control  Board  may,  after notice and  a  hearing, issue,
        or provide for the issuance by Hearing  Board, after notice and a hearing
        of, an order for abatement whenever the District finds that any  person
        is in violation of these regulations  prohibiting or limiting  the dis-
        charge of air contaminants into  the air.  The Air Pollution Control
        Board in holding hearings  on the issuance of orders for  abatement shall
        have all powers and duties conferred  on the  Hearing Board.  The  Hearing
        Board in holding hearings  on the issuance of orders for  abatement shall
        have all powers and duties conferred  upon it by  these  regulations and
        the Health and Safety Code (H and S 24260.5) (AB88).

(15.0)  PART X - VIOLATIONS AND PENALTIES.    •

            1.   General;

                 A.   Every person  violating any order, rule or regulation of an
                     Air Pollution Control  District  is guilty  of a misdemeanor.
                     Every day during any portion of which  such  a violation
                     occurs is a separate offense (H and S  24281).

                 B.   Any violation of any order, rule, or regulation  of  the
                     Air Pollution Control  Board may be  enjoined in a civil
                     action brought in the  name of the people  of the  State of
                     California, except  that  the plaintiff  shall not  be  re-
                     quired to allege facts necessary to show  or tending to
                     show lack of adequate  remedy at law or to show or tending
                     to show irreparable damage or loss  (H  and S 24252,  amended
                     1970 by (AB 90).

                 C.   Any person who intentionally or negligently violates any
                     rule or regulation  of  the  Air Pollution Control  District,
                     or the State Air Resources Board, prohibiting or limiting
                     the discharge of air contaminants into the  air,  shall be
                     liable for a civil  penalty not  to exceed  five hundred dollars
                     ($500.00) for each  day in  which such violation occurs  (H and
                     S 39261) (AB 88 1970).
                                             -26-

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2.  Visible Emission Prohibition;  Every person who violates   .
    any provisions of these regulations which are set forth
    under authority of Division 20, Chapter 2, H and S Code,  is
    guilty of a misdemeanor.  Every day during any portion of which
    such violation occurs constitutes a separate offense (H and  S
    24253).

3.  Permits:

    A.  Every person is guilty of a misdemeanor who knowingly makes
        any false statement in any application for a permit or in
        any-information, analyses plans, or specifications sub-
        mitted either in conjunction therewith, or at the request
        of the Control Officer (H and S 24277).

    B.  Every person is guilty of a misdemeanor who builds, erects,
        alters, replaces, uses or operates any source capable of
        emitting air contaminants for which a permit is required by
        these regulations when his permit to do so has been either
        suspended or revoked (H and S 24278).

    C.  Every person required by~these~regulations to-obtain-a	
        permit so to do who, without first obtaining such permit,
        builds, erects, alters, replaces uses or operates any source
        capable of emitting air contaminants, is guilty of a  mis-
        demeanor (H and S 24279).

    D.  Every person is guilty of a misdemeanor who builds,  erects,
        alters, or replaces, operates or uses any such article,
        machine, equipment, or other contrivance contrary to  the pro-
        visions of any permits issued under these regulations or the
        H and S Code, State of California (H and S 24280).

    E.  Every permittee who wilfully fails or neglects to furnish
        information, analyses, plans or specifications required by
        the Control Officer is guilty of a misdemeanor (H and S
        24282).

4.   Abatement;   Any person who intentionally or negligently vio-
     lates any order of abatement issued by the District pursuant to
     these regulations, Part X, or by the State Air Resources Board,
     shall be liable for a civil penalty not to exceed six thousand
     ($6,000.00) for each day in which such violation occurs.  (H
     and S 39260).
                                -27-

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            5.    Open Burning:   Any violation of Part  V-4D-1  is  a misdemeanor
                 punishable by  imprisonment in the county jail not  exceeding
                 six (6)  months, or by fine not exceeding five hundred  dollars
                 ($500.00), or  both, and the cost of putting  out the  fire.
                 Every day during any portion of which such violation occurs
                 constitutes a  separate offense (H and S  39296.1)

            6.    Orchard  Heaters;  Any violation of Part  V-46 of these  regula-
                 lations  is a misdemeanor punishable by imprisonment  in the
                 county jail not exceeding six (6) months, or by fine not
                 exceeding five hundred dollars ($500.00), or both, and the
                 cost of  putting out the fire.  Every  day during any  portion  of
                 which such violation occurs constitutes  a separate offense.
                 (H and S 29298.7).
(16.0)  PART XI - HEARING BOARD.
            1.    The Hearing Board shall  select from its number a  chairman
                 (H and S 24311).

            2.    The Hearing Board may hold a hearing in bank or may designate
                 two (2) or one (1) of their number to hold a hearing (H and S
                 24312).

            3.    If two (2) or three (3)  members of the Hearing Board conduct
                 a hearing the concurrence of two (2) shall be necessary to a
                 decision (H and S 24313).

            4.    The Hearing Board not less than two (2) being present may, in
                 its discretion, within thirty (30) rehear any matter  which was
                 decided by a single member (H and S 24314).

            5.    Whenever the members of the Hearing Board conducting any hear-
                 ing deem it necessary to examine any person as a  witness at such
                 hearing, the chairman of the Hearing Board shall  issue a sub-
                 pena, in proper form, commanding such person to appear before
                 it at a time and place specified to be examined as a witness.
                 The subpena may require such person to produce all books, papers
                 and documents in his possession or under his control material
                 to such hearing (H and S 24315).

            6.    A subpena to appear before the Hearing Board shall be served
                 in the same manner as a subpena in a civil action (H and S
                 24316).
                                            -28-

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7.   Whenever any person duly subpenaed to appear and give
     evidence or to produce any books and papers  before the
     Hearing Board neglects or refuses to appear, or to pro-
     duce any books and papers, as required by the subpena or
     refuses to testify or to answer any questions which the
     Hearing Board decides is proper and pertinent, he shall  be
     deemed in contempt, and the Hearing Board shall report the
     fact to the judge of the Superior Court of the County (H
     and S 24317).

8.   Upon receipt of the report, the judge of the Superior Court
     shall issue an attachment directed to the Sheriff of the
     County where the witness was required to appear and testify
     commanding the Sheriff to attach such person and forthwith
     bring him before the judge who ordered the attachment
     issued (H and S 24318).

9.   On the return of the attachment and the production of the
     body of the defendant, the judge has jurisdiction of the
     matter.  The person charged may purge himself of the contempt
     in the same way, and the same proceeding shall be had, and
     the same penalties may be imposed, and the same punishment
     inflicted as in the case of a witness subpenaed to appear
     and give evidence on the trial of a civil cause before a
     Superior Court (H and S 24319).

10.  Every member of the Hearing  Board may administer oaths  in
     every hearing in which he participates (H and S 24320).

11.  At any hearing the Hearing Board may require all or any
     witness to be sworn before testifying (H and S 24321).

12.  Any person deeming himself aggrieved, including the Air
     Pollution Control District, may maintain a special proceed-
     ing in the Superior Court, to determine the reasonableness
     and legality of any action of the Hearing Board (H and S
     24322).

13.  Any person filing such a special proceeding after any
     decision of the Hearing Board shall be entitled to a trial
     de novo and an independent determination of the reasonableness
     and legality of such action in such court on all issue of law
     facts, and mixed questions of law and facts and opinions therein
     involved (H and S 24323).
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(5.0)    PART XII  - VARIANCES.
            1.    The provisions  of the H and  S  Code,  and  these  regulations
                 do not prohibit the discharge  of air contaminants  to  a
                 greater extent  or for a longer time, or  both,  than permitted
                 by Article 3, Chapter 2, Division 20, H  and  S  and  Section
                 V (Prohibitions and Standards) of these  regulations,  if  not
                 of a greater extent or longer  time than  the  Hearing Board or  a
                 court after a hearing before the Hearing Board finds  necessary
                 (H and S 24291).

                 Notwithstanding this provision,  no person shall  set,  grant
                 permission to set,  or cause  to be set, fires which would be
                 in violation of any applicable order, rule or  regulation
                 adopted pursuant to these regulations and the  Health  and
                 Safety Code (H  and  S 39077.3).

            2.    The Hearing Board on its own motion  or at the  request of any
                 person may hold a hearing to determine under what  conditions
                 and to what extent  a variance  from the requirements established
                 by these rules  and  regulations is necessary  and will  be
                 permitted (H and S  24292).

            3.    The Air Pollution Control Board may  set  forth  a schedule of
                 fees which will yield a sum  not^exceeding the  estimated  cost
                 of the administration of this  section, for the filing of
                applications for  variances or  to revoke  or modify  variances.
                 All applicants  shall pay the fees required by  such a  schedule
                 (H and S 24293).  to the District Treasury (  H-and  S 24294).

            4.    The Hearing Board shall serve  a notice of the  time and place
                 of a hearing to grant a variance upon the Control  Officer and
                 upon the applicant, if any,  not less than ten  (10) days  prior
                 to such hearing (H  and S 24295).

            5.    If the Hearing  Board finds that because  of conditions which are
                 beyond control  of the owner  or operator, compliance with these
                 regulations or  order of the  Air Pollution Control  Board  will
                 result in an arbitrary and unreasonable  taking of  property or
                 in the practical  closing and elimination of  any lawful business,
                 occupation or activity, in either case without a sufficient
                 corresponding benefit or advantage to the people in the  reduc-
                 tion of air contamination, it  shall  prescribe  other and
                 different requirements not more onerous  applicable to plants
                 and equipment operated either  by same classes  of industries or
                 persons, or to  the  operation of separate persons;  provided,
                                             -30-

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                 however,  that no variance may permit or authorize  the
                 maintenance of a nuisance (H  and  S  24296),

            6.    In determining under what conditions and to what extent  a
                 variance  from said requirements  is necessary  and will  be
                 permitted, the Hearing Board shall exercise a wide discre-
                 tion in weighing the equitites involved and the advantage
                 and disadvantages to the residents of the district and to
                 any lawful business, occupation  or activity involved,
                 resulting from requiring compliance  with said requirements
                 or resulting from granting a variance (H and  S 24297).

            7.    The Hearing Board may revoke or modify by written  order,
                 after public hearing held upon not less than  ten  (10)  days
                 notice, any order permitting a variance (H and S 24298).
                 Notice of time and place of a hearing to revoke or modify
                 any order permitting a variance shall be served upon the
                 Control Officer, upon all persons  who will be subjected  to
                 greater restrictions if such order is revoked or modified
                 as proposed and upon all other persons interested  or likely
                 to be affected who have filed with the Hearing Board or
                 Control Officer a written request  for such notification
                 (H and S  24299).  Notice shall be  submitted by personal
                 service or first class mail, postage prepaid.  If  the identity
                 or address of any person entitled  to notice is unknown,  the
                 Hearing Board shall serve such person by publication of
                 notice once in a newspaper of general circulation  published
                 within the Air Pollution Control District (H  and S 24300).

            8.    The Hearing Board in making any order permitting a variance
                 may specify the time during which  such order  will  be effective
                 in no event to exceed one year,  but  such variance  may be con-
                 tinued from year to year without another hearing on the
                 approval  of the Control Officer (H and S 24301).
(16.0)  PART XIII - HEARINGS.
            1.    Fee;   Every applicant or petitioner for a variance, or the
                 extention, revocation or modification of a variance or for "
                 an appeal  from a denial  or conditional approval  of an authority
                 to construct, permit to  operate or permit to sell  or rent,
                 except any state or local governmental agency or public district
                 shall  pay to the clerk of the Hearing Board, on  filing, a fee.
                                             -31-

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Transcript:  Any person requesting a transcript of the hearing,
except the Air Pollution Control District, shall pay the cost
of such transcript.

Contents of Petition:

A.  Every petition shall include:

     (1)   The name, address and telephone number of the
           petitioner or other person authorized to receive
           service of notices.

     (2)   Whether the petitioner is an individual, partnership,
           co-partnership, corporation or other entity, and
           the names and address of the partners if a co-
           partnership, names and address of the officer, if a
           corporation, and the names and address of the persons
           in control, if other entity.

     (3)   The type of business or activity involved in the
           application and the street address at which it is
           conducted.

     (4)   A brief description of the article, machine, equip-
           ment or other contrivance, if any, involved in the
           application.

     (5)   The regulation under which the petition is filed;
           that is whether petitioner desires a hearing:

           (a)  to determine whether a permit shall be revoked
                or suspended permit reinstated (H and S 24274).

           (b)  for a variance.

           (c)  to revoke or modify a variance.

           (d)  to review the denial or conditional granting of
                an authority to construct, permit to operate or
                permit to sell or rent.

     (6)   The signature of the petitioner or person authorized
           in the petitioner's behalf.  Such authorization shall
           be stated.
                            -32-

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          (7)   The regulation under which permit was  granted in
                petitions for revocation,  together with a brief
                statement of the facts constituting the alleged
                violation.

          (8)   The request and alleged refusal,  in petitions for
                reinstatement of suspended permits, which formed
                the basis for such suspension, together with a
                brief statement as to why the information re-
                quested, if any, was not furnished, whether such
                information is believed by the petitioner to be
                pertinent, and if so, when it will be  furnished.

          (9)   All petitions shall be typewritten, double-spaced,
                on legal or letter sized paper, one side of the
                paper only, leaving a margin of at least one inch
                at the top and left side of each sheet.

4.  Variance Petition:

    A.  Variance petitions shall include,  in addition  to the in-
        formation in three (3) above, the following:

          (1)   Facts showing why compliance with the  section,
                regulation or order is unreasonable.

          (2)   The period of time for which variance  is sought
                and why such a period is requested.

          (3)   The damage or harm resulting or which  would result
                to the petitioner from compliance with District
                regulations or order.

          (4)   The requirements the petitioner can meet and the
                date when the petitioner can comply with such
                requirements.                      '
                                                   i
          (5)   The advantages and disadvantages to the residents
                of the District resulting from requiring com-
                pliance or resulting from granting a variance.

          (6)   Whether or not operations under such variance, if
                granted, would constitute a nuisance.

          (7)   Whether or not any case involving the  same identi-
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                cal  equipment or process is pending in any court,
                civil  or criminal.

5.   Non-Acceptance of Petition;  The clerk of the Hearing Board
     shall not accept for filing any petition which does not comply
     with these regulations unless the chairman or any two (2)  mem-
     bers of the Hearing Board direct otherwise and confirm such
     direction in writing.  This need not be done at a meeting  of
     the Hearing Board.  The chairman or any two members, without
     a meeting may require the petitioner to state further facts
     or reframe a petition so as to disclose clearly the issue
     involved.

6.   Dismissal by Petitioner;  The petitioner may dismiss his pet-
     ition at any time before submission of the case to the Hearing
     Board, without a hearing or meeting of the Hearing Board.   The
     clerk of the Hearing Board shall notify all interested persons
     of such dismissal.

7.   Amending of Petition;  At any time more than ten (10) days
     prior to hearing, the petitioner may amend his petition by
     serving an amended copy to all necessary parties.  Amendments
     less than ten (10) days prior to the hearing will be allowed
     at the discretion of the Hearing Board.

8.   Notice of Hearing;  The clerk of the Hearing Board shall mail
     or deliver a notice of hearing to the petitioner, the Control
     Officer, the holder of the permit or variance involved, if
     any, and to any person entitled to notice under Sections 24275,
     24295 and 242999, Health and Safety Code and these regulations
     not less than ten (10) days before the date of public hearing.

9.   Place of Hearing;  All hearing shall be held at the County
     Supervisor's Chambers, Mendocino County Courthouse, Ukiah,
     California, unless some other place is specified by the Hearing
     Board.

10.  Procedure;

     A.  Oral Evidence shall be taken only on oath or affirmation.

     B.  Each party shall have these rights;

           (1)  To call and examine witnesses.
                                  -34-

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          (2)  To Introduce exhibits.

          (3)  To cross-examine opposing witnesses on any
               matter relevant to the  issue even though that
               matter was not covered  in the direct examination.

          (4)  To impeach any witness  regardless of which party
               first called him to testify and to rebut evidence
               against him.

          (5)  A respondent may be called and examined even if he
               does not testify in his own behalf.

C.  The hearing need not be conducted  according to technical
    rules relating to evidence and witnesses.  Any relevant
    evidence shall be admitted if it 1s the sort of evidence
    on which responsible persons are accustomed to rely in the conduct
    of serious affairs, regardless of  the existence of any
    common law or statutory rule which might make improper the
    admission of such evidence over objections in civil actions.
    Heresay evidence may be used for the purpose of supplementing
    or explaining any direct evidence  but shall not be sufficient
    in itself to support a finding unless 1t would be admissible
    over objection in civil actions.  The rules of privilege
    shall be effective to the same extent that they are now
    or hereafter may be recognized in  civil actions and
    irrelevant and unduly repetitious  evidence shall be excluded.

D.  The chairman or any two members of the Hearing Board shall
    grant any continuance of fifteen (15) days or less, con-
    curred in by the petitioner, the Control Officer and by
    every person who has filed an answer 1n the action.  Written
    notice of such continuance shall be served on all parties
    concerned by the party instituting the continuance.

E.  The decision of the Hearing Board  shall be in writing, served
    and filed within thirty (30) days  after submission of the
    cause by the parties thereto and shall contain a brief
    statement of facts found to be true, the determination of
    the issues presented and the order of the Hearing Board.  A
    copy shall be mailed or delivered  to the Control Officer,
    the  petitioner and to every person who has filed an answer
    or who has appeared as a party in  person or by counsel at
    the hearing.
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                F.   The decision of the Hearing Board shall  become  effective
                    fifteen (15) days  after delivering or mailing a copy  of
                    the decision, or the Hearing Board may order that the
                    decision become effective sooner.

                G.   The Hearing Board  shall  not receive or accept a petition
                    for a variance for the operation  or use  of any  article,
                    machine, equipment or other contrivance  until a permit to
                    operate has been granted or denied by the  Control  Officer
                    except under the following conditions:

                      (1)   An appeal  from a denial of a permit to  operate
                            and a petition for a variance may  be filed with
                            the Hearing Board in a  single petition, or

                      (2)   The Control Officer may petition the Hearing  Board
                            to grant a variance or  extention on initial com-
                            pliance for any individual operation or group of
                            operations.

                H.   A variance granted by the Hearing Board  after a denial of
                    a permit to operate by the Control Officer may  include a
                    permit to operate  for the duration of the  variance.

(2.0)   PART XIV -  CONSTRUCTION AND VALIDITY.

            1.    If any provisions of  these regulations shall  be under void or
                 unconstitutional by judicial or other determination, all
                 other parts of these  regulations which are  not expressly held
                 to be void or unconstitutional shall  continue in full force
                 and effect.

            2.    The regulations are not intended to  permit  any practice  which
                 is in violation of any statute, ordinance,  order or regulation
                 of the United States, State of California,  County  of Mendocino
                 or any incorporated city therein;  and no provisions contained
                 in these regulations  are intended  to impair or abrogate  any
                 civil remedy or process, whether legal or equitable, which
                 might otherwise be available to any  person.

            3.    These regulations shall be liberally construed for the
                 protection of the health, safety and welfare  of the people of
                 Mendocino County.
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                                   TABLE 1

                MENDOCINO  COUNTY AIR POLLUTION CONTROL DISTRICT:

               PARTICULATE MATTER EMISSIONS STANDARDS FOR PROCESS

                          UNITS AND PROCESS EQUIPMENT
Process
Lbs/Hr
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
Emission
Lbs/Hr
0.24
0.46
0.66
0.85
1.03
1.20
1.35
1.50
1.63
1.77
1.89
2.01
2.12
2.24 . _
2.34
2.43
2.53
2.62
2.72
2.80
2.97
3.12
3.26
3.40
3.54
3.66
3.79
3.91
4.03
4.14
4.24
4*. 34
Process
Lbs/Hr
2300
2400
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5500
6000
6500
7000
                                Emission
                                Lbs/Hr

                                4.44
                                4.55
                                4.64
                                4.74
                                  84
                                  92
                                  02
                                  10
                                  18
                                  27
                                  36
                                  44
                                5.52
                                5.61
                                5.
                                5.
                                5.
                                5,
                                6,
                                6.
                                6,
69
77
85
93
01
08
15
                                6.22
                                 .30
                                 .37
                                6.45
                                 .52
                                 .60
                                6.67
                                  02
                                  37
                                  71
Process
Lbs/Hr

  7500
  8000
  8500
  9000
  9500
 10000
 11000
 12000
 13000
 14000
 15000
 16000
 17000
 18000
 19000
 20000
 30000
 40000
 50000
 60000
 Emission
 Lbs/Hr

    8.39
    8.71
    9.03
    9.36
    9.67
   10.00
   10.63
   11.28
   11.89
   12.50
   13.13
   13.74
   14.36
   14.97
"-15.58
   16.19
   22.22
   28.30
   34.30
   40.00
                                8.05

Interpolation and extrapolation of the data for process unit weight rates
in excess,of 60,000 Ib/hr shall be accomplished by the use of the equation:
E=55.0P    -40, where E=rate of process unit emission in Ib/hr and P=
process weight in tons/hr.
                                    -37-

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