U.S. DEPARTMENT OF COMMERCE
                                  National Technical Information Service
                                  PB-296 693
Air Pollution Regulations  in
State Implementation Plans
California,  Shasta  County

Abcor, Inc, Wilmington, MA  Wolden  Div
Prepared for
Environmental Protection  Agency,  Research Triangle  Park,  NC  Control
Programs Development Div
Aug 78

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                        KB 296693
United States
Environmental Protection
Agency
Office of Air Quality
Planning and Standards
Research Triangle Part?. NC 27711
EPA-450/3-78-054-36
August 1978
Air
Air Pollution Regulations
in State Implementation
Plans:
California
       *..... - .
Shasta County
      REPRODUCED BV
    I NATIONAL TECHNBCAt i
    ; INFORMATION

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                                   TECHNICAL REPORT DATA
                            (Please read Instructioni on the reverse before completing)
 1. REPORT NO.
  EPA-450/3-78-054-36
JL_
4. TITLE AND SUBTITLE
 Air Pollution  Regulations in State  Implementation
 Plans: California    Shasta County
                               6. 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,  V978, have been incorporated.  As mandated by Congress,
  this document will be updated annually.  State and/or  local atr-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.
                               KEY WORDS AND DOCUMENT ANALYSIS
                  DESCRIPTORS
  Air pollution
  Federal Regulations
  Pollution
  State Implementation Plans
 8. DISTRIBUTION STATEMENT

  RELEASE UNLIMITED
                                              h.lDENTIFIERS/OPEN ENDED TERMS  c.  COSATI Held/Group
                  19. SECURITY CLASS (This Report!

                     Unclassified	
                                             20. SECURITY CLASS (Thispage)

                                                ilnelassitied
                                                                        22. PRICE
EPA Form 2220-1 (9-73)

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                               EPA-450/3-78-054-36
    Air Pollution Regulations
in State Implementation Plans
               Shasta County
                        by

                 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-450/3-78-054-36
                                  ii

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                             INTRODUCTION
     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.

     There have been recent changes in the Federal enforceability of
parking management regulations and indirect source regulations.  The
October, 1977, appropriation bill for EPA prohibited Federal enforcement
of parking management regulations 1n 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 look under sulfur compounds  (50.2), particu-
late 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
Submittal Date

   6/30/72
                                OF

                  EPA-APPROVED REGULATION CHANGES

                            CALIFORNIA
Approved Date

   9/22/72
            Description
      Regulations
      Approved Unless
      Noted Otherwise
   7/19/74
   8/2277
Rules 1:1-1:2, 2:6(l)(a),
      2:6(l)(b)(i-1i, iv-vii),
                             :6(l
                             :6(l
                                                2:6(l)(d-e),  2:6(2-4),
                                                2:7,2:8(a-c), 2:9,
                                                2:11,  2:14, 2:25, 3:1-3:9,
                                                3:11-3:12, 4:1-4:23
   1/10/75
   8/2277
Rules 2:6(5)(b), 3:1, 3:2,
      4:6, 4:14
   7/22/75
   8/22/77
Rule  2:8

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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,
              Rice 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) - Participates
              (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, Cy, etc.) - Sulfur Dioxide
       51.12  NUCLEAR ENERGY FACILITIES (includes Related Topic)
       51.13  OPEN BURNING (includes Forest Management, Forest Fire, Fire
              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

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TABLE OF CONTENTS
Revised Standard
Subject Index
(2.0;
(1.0)
(2.0;
(2.0)
(3.0)
(3.0)
(2.0)
(51.13)
(51.13)
(51.13)
(51.13)
(3.0)
(2.0)
(3.0)
(2.0)
(9.0)
(3.0)
SHASTA COUNTY
Rule Number
Rule 1:1
1:2
. 2:1
2:2
2:3
2:4
2:5
2:6
2:7
2:8
2:9
2:10
2:11
2:12
2:13
2:14
2:15
REGULATIONS
Title
Title
Definitions
Effective Date
Authority to Construct
Permit to Operate
Permit to Sell or Rent
Exemptions
Agricultural Burning
Open Burning in Urban
Areas
Exceptions to Open
Burninq
Additional No Burn
Days
Action on Applications
Interim Variance
Fees
Standards For Granting
Applications
Conditional Approval
Testing Facilities
Applications Deemed
Page
1
1
6
6
6
6
6
7
14
15
15
15
16
18
18
19

               Denied                 20
        vi i i

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(2.0)
(3.0)
(2.0)
(3.0)
(3.0)
(3.0)
(14.00)
(2.0)
(50.0)
(51.16)
(51.16)
(51..1)
(2.0)
(2.0)
(2.0)
(2,0)
(7.0)
(2.0)
(51.21)
2:16
2:17
2:18
2:19
2:20
2:21
2:25
3:1
3:2
3:3
3:4
3:5
3:6
3:7
3:8
3:9
3:10
3:11
3:12
Appeals
Status of Permit
Transfer
Change in Multi-
Component System
Posting of Permit
to Operate
Defacing Permit
Public Records-Trade
Secrets
Applicability of State
Laws
Specific Air
Contaminants
Hydrocarbons
Industrial Use of
Organic Solvents
Agricultural Uses
Circumvention
Enforcement
Orders for Abatement
Recommendation of
Control Officer
Breakdown or Uoset
Condition
Local Rules
Reduction of Matter of
20
20
20
20
20
21
21
22
22
24
25
26
26
26
26
27
27
27

      Animal Origin          27
IX

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(3.0)                       4:1        Applicable Articles of
                                       the Health & Safety
                                       Code                   28
(2.0)
(2.0)
(16.0)
(2.0)
(5.0)
(2.0)
(2.0)
(2.0)
(2.0)
(2.0)
(2.0)
(16.0)
(16.0)
(2.0)
(2.0)
(2~.0)
(2.0)
(16.0)
(2.0)
4:2
4:3
4:4
4:5
4:6
4:7
4:8
4:9
4:10
4:11
4:12
4:13
4:14
4:15
4:16
4:17
4:18
4:19
4:20
General
Filing Petitions
Hearing Board Fees
Contents of Petitions
Petition for Variance
Petition for Abatement
Order
Contents of Notice
of Appeal
Failure to Comply
with Rules
Service of Notices,
etc.
Answers
Withdrawal of Petition
Place of Hearing
Notice of Hearing
Rules of Evidence and
Procedure
Preliminary Matters
Official Notice
Continuances
Hearing and Decision
Effective Date of
28
28
28
29
29
29
30
30
30
30
30
30
30
31
31
31
32
32

                                       Decision                32

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(2.Q)                       4:21        Issuance of Subpeonas
                                       Subpoenas Duces Tecum     32

(2.0)                       4:22        Confidential  Information  32

(2.0)                       4:23        Additional  Rules          32

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         RULE I    TITLE  AND  DEFINITIONS


(2.0)     Rule 1:1.   Title:   These  rules  and  regulations shall be known as the
         Rules and Regulations  of  the Shasta County Air Pollution Control
         District.

(1.0)     Rule 1:2.   Definitions:   Except as  otherwise specifically provided in
         these rules and, except where the content otherwise indicates, words used
         in  these  rules  are  used in exactly  the same sense as the same words are
         used in Chapter 2,  Division 20, of  the  Health and Safety Code.

         Abatement Order means  an  order  issued by the Hearing Board to a specific
         person  requiring said  person to forthwith cease all specified act or
         acts, or  the specified use of a machine or machines, which specified
         act(s)  or specified use(s) result in violation(s) of these rules.

         Agricultural  Burning means open outdoor fires used in agricultural
         operations in the growing of crops  or raising of fowls or animals,
         forest  management,  or  range improvement, or used 1n improvement of land
         for wildlife  and game  habitat.  (Added 10/12/71; Amended 12/4/72)

         Agricultural  Producer  means a person or persons, including a corporation
         duly formed or  qualified  to do  business in Shasta County, California,
         engaged in operations  of  growing and harvesting crops or raising of
         fowls or  animals for the  primary purpose of making a profit, or
         providing a livelihood who possesses at least five (5) contiquous acres of
         irrigated  cropland,  of five (5) contiguous acres of forest land, or twenty
         (20)  contiguous acres  of  farmland or grazing land, or the property possessed
         must have  attributed to or augmented such person or persons gross income by
         at  least  10%  during  either of the last two calendar years. (Added 12/4/72)

         Air Contaminant includes  smoke, charred paper, dust, soot, grime, carbon,
         fumes,  gases, odors, particulate matters acids, or any combination
         thereof.   (Amended  10/1/73)

         Approved  Ignition Methods includes  those instruments or materials that
         will  ignite agricultural  waste  without the production of black smoke.
         This  would include  such items as liquid petroleum gas, butane or propane
         burners,  and  flares, but  does not include the use of tires, tar paper,
         and other  similar materials.  (Added 10/12/71)

         Atmosphere means the air  that envelops or surrounds the earth.  Where air
         pollutants are  emitted into a building (other than a hog fuel house) not
         designed  specifically  as  a piece of air pollution control equipment, such
         emission  into the building shall be considered an emission into the
         atmosphere.

         Roard means  the Air  Pollution Control Board of the Shasta County Air
         Pollution  Control District.

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Drush Treated means that the material to be burned has been felled,
crushed or uprooted with mechanical  equipment,°r nas been designated
with herbicides.  (Added 12/4/72)

Combustible or Flammable Wastes are any garbage, rubbish, trash, rags,
paper, boxes, crates, excelsior, ashes, offal, carcass of a dead amimal,
or any other combustible or flammable refuse matter which is in a
solid or liquid form.  (Amended 5/8/72)

Conibus ti on Contaminants are particulate matter discharged into the
atmosphere from the burning of any kind of material containing
carbon in a free or combined state.

Control Officer means tne  Air Pollution Control Officer of the Shasta
County Air Pollution Control District.

 Designated Agency means any agency designated by the State Air
Resources Board as having authority to issue  agricultural  burning
permits.  Ths U. S. Forest Service and the California Division
of Forestry are so designated within their respective areas of
 jurisdiction.  (Added 12/4/72)

District is the Shasta County Air ^ollutior Control District.

Dusts are minute, solid particles released into the air by natural
forces or by mechanical processes such as crushing, grinding, milling,
drilling, demolishing, shoveling, conveying, covering, bagging,
sweeping, or other similar processes.

Forest Management Burning means the use of open fires, as part of
a forest management practice, to remove forest debris.  Forest
management practices include timber operations, silviculture! practices
or forest protection practices.  (Added 12/4/72)

Flue means any duct or passage for air, gases, or the like, such as a
stack or chimney.  (Added 5/8/72)

Fumes are minute, solid particles which result from the condensation
of  vapors from  solid matter after volatilization from the molten
state, or may be generated by sublimation, distillation, calcination,
or  chemical  reaction, when these processes create air-borne
particles.

Gasoline means any petroleum distillate having a Reid vapor pressure
of four pounds or greater.

Hearing Boarc'. means the Hearing Board of the Shasta County Air Pollution
Control District.

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Incinerator means any furnace or similar enclosed fire-chamber,
with or without a draft control, used for burning refuse or other
waste material, where products of combustion are directed through a
flue. (Amended 5/8/72)

Institutional Facility means any hospital, boarding home, school,
corporation yard, or like facility.

Loading Facility means any aggregation or combination of gasoline
loading equipment which is both (1)  possessed by one person, and
(2) located so that all the gasoline loading outlets for such
aggregation or combination: of loading equipment can be encompassed
within any circle of 300 ft. in diameter.

Multiple-Chamber Incinerator is any article, machine, equipment,
contrivance, structure or any part of a structure used to dispose
of combustible refuse by burning, consisting of three or more
refractory lined chambers in series, physically separated by
refractory walls, interconnected, by gas passage ports or ducts,  and
employing adequate design parameters necessary for maximum combustion
of the material to be burned.

Multi-Component System is a collection, or combination, of mutually
dependent articles, structures, or devices customarily or necessarily
started, operated and taken out of service as a unit.

No Burn Day means any day on which agricultural burning is prohibited
by the Air  Resource Board or the Shasta County Air Pollution Control
Officer.  (Added 10/12/71; Amended 12/4/72)

Open Burning In Agricultural Operations in the Growing and Harvesting
of Crops or Raising of Fowls or Animals means:

1,   The burning in the open of materials by an agricultural producer
     or by an education institution  conducting agricultural research
     or instruction which are produced wholly from operations in the
     growing and harvesting of crops or raising of fowls or animals.

2.   In connection with operations qualifying under Subdivision  1:

     (a)   The burning of grass and  weeds in or adjacent to fields
           in cultivation or being prepared for cultivation; and

     (b)   The burning of materials  not produced wholly from such
           operations, but which are intimately related to the growing
           or harvesting of crops and which are used in the field,
           except as prohibited by district regulations.  (Added 12/4/72)
                                     -3-

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 Open  Outdoor  Fire means 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.  (Amended 5/8/72)

 Organic Solvents are dilutents and thinners which are liquids at
 standard  conditions and which are used as dissclvers, viscosity
 reducers  or cleaning agents.

 Particulate Matter is any material, except uncombined water, which
 exists in a finely divided form as a liquid or solid at standard
 conditions, but shall exclude particles in any dimension which fall
 to  the ground at a geometrically accelerated rate.

 Photochenvically Reactive Solvent is any solvent with an aggregate of
 more  than 20  percent of its total volume composed of the chemical
 compounds classified below or which exceeds any of the following
 individual percentage composition limitations, referred to the total
 volume of solvent:

 1.    A combination of hydrocarbons, alcohols, aldehydes, esters,
      ethers,  or ketones having an olefinic or cyclo-olefinic type
      of unsaturation:  5 percent;

 2.    A combination of aromatic compounds with eight or more carbon
      atoms to the molecule except ethylbenzene:  8 percent;

 3.    A combination of ethylbenzene, ketones having branched
      hydrocarbon structures, trichlorethylene or toluene:  20  percent.

 Permissive Burn Day means any day on which agricultural burning is
 not prohibited by the Air Resources Board or the Shasta County Air
Pollution  Control  Officer.  (Added  12/4/72)

 Person Teans  any person, firm, association, organization, partnership,
 business  trust, corporation, company, contractor, supplier,
 installer, user or owner, or any state or local governmental agency
 or  public district or any officer or employee thereof.

 Photochemicany Reactive Substance means any substance which when
 irradiated with ultraviolet light reacts with air to form ozone or
 other products typically associated with photochemical smog.
 (Added 10/1/73)

 Process is the series of actions or motions involved in one single
 operation wherein all articles, machinery, equipment, or other
 contrivances  contributing to the operation must be operated
 simultaneously.  Time lags and/or holding devices will constitute
 separation of processes whether they are used or not.  (Added 5/8/72)
                                     -4-

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Process Height Per Hour is the total weight of all materials
introduced into any specific process which process may cause
dny 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 completion thereof, excluding any time during
which the equipment is idle.

Range Improvement Burning means the use of open fires to remove
vegetation for a wildlife, game or livestock habitat or for the
initial establishment by an agricultural producer of an
agricultural practice on previously uncultivated land.  (Added 12/4/72)

Regulation means one of the major subdivisions of Rules of the
Shasta County Air Pollution Control District.

Residential Rubbish means refuse originating from residential uses
and includes wood, paper, cloth, cardboard, tree trimmings, leaves,
lawn clippings, and dry plants.

Rule means a rule of the Shasta County Air Pollution Control District.

Section means section of the Health and Safety Code of the State of
California unless some other statute is specifically mentioned.

Standard Conditions are a gas temperature of 70 degrees Fahrenheit
and a gas pressure of 14.7 pounds per square inch absolute.  Results
of all analyses and tests shall be calculated or reported at this
gas temperature and pressure.

Timber Operations means cutting or removal of timber of other forest
vegetation.[ABded 12/4/72)

Total Reduced Sulphur means sulphur expressed as H2S on a dry gas basis
at standard conditions.

SiIvicultural means the establishment, development, care and
reproduction of stands of timber.  (Added 12/4/72)

Variance means an authorization by the Hearing Board to permit some
act contrary to the requirements specified by these rules and
regulations.
                                      -5-

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         RULE II   PERMITS


(2.0)    Rule 2:1.  Effective Date:  Rule 2:3 shall  be effective 90 days after
         the adoption of these rules and regulations.

(2.0)    Rule 2:2.  Authority to Construct:   Any person building, erecting,
         altering or replacing any article,  machine, equipment or other
         contrivance, or multi-component system including same, the use of
         which may cause the issuance of air contaminants or the use of which
         may eliminate or reduce or control  the issuance of air contaminants,
         shall first obtain written authority for such construction from the
         Control Officer.  An authority to construct shall remain in effect
         until the permit to operate the equipment for which the application
         was filed is granted or denied or the application is canceled.

(3.0)    Rule 2:3.  Permit to Operate:   Subject to the provisions of Rule 2:9,
         before any article, machine, equipment or other contrivance or
         multi-component system including same, the use of which may cause the
         issuance of air contaminants or the use of which may eliminate or reduce
         or control the issuance of air contaminants,  may be operated or used,
         a written permit shall be obtained  from the Control Officer.

         No permit to operate or use shall be granted  either by the Control
         Officer or the Hearing Board for such article, machine, equipment or
         contrivance if it was constructed or installed without authorization
         as required by Rule 2:2 until  the information required is presented
         to the Control Officer and such article, machine, equipment or
         contrivance is altered, if necessary, and made to conform to the
         standards set forth in these Rules  and Regulations.

(3.0)    Rule 2:4.  Permit to Sell  or Rent:   Any person who sells or rents to
         another person an incinerator which may be  used to dispose of
         combustible refuse by burning within the District and which incinerator
         is to be used exclusively in connection with  any structure, which
         structure is designed for and used  exclusively as a dwelling for more
         than four families, shall  first obtain a permit from the Control  Officer
         to sell or rent such incinerator.

(2.0)    Rule 2:5.  Exemptions:  There are hereby exempted from the permit
         requirements vehicles as defined by the Vehicle Code of the State
         of California and aircraft.  The Control  Officer may,  additionally,
         exempt .any kind or type of machines or devices within the following
         categories:

         a.    Internal  combustion engines.

         b.    Equipment used exclusively for space heating or air conditioning,
              other than boilers.
                                             -6-

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         c.    Equipment  used  in  the  preparation of food products that are
              intended for  human consumption within  24 hours.

         d.'    Steam generators,  steam  superheaters,  water heaters, and closed
              heat transfer systems  that are fired exclusively with one of the
              following:

              1.     Natural gas;

              2.     Liquefied petroleum gas;

              3.     A combination of natural gas  and liquefied petroleum gas.

         e.    Agricultural  equipment used  in the  preparation of the land, and
              the planting, tillage  and harvesting of field and orchard crops.

         f.    Self-propelled  construction  equipment  used in land grading paving,
              leveling,  digging, or  other  similar operations, other than pavement
              burners.

         g.    Home use appliances.

         h.    Recreational  equipment.

         i.    Dryers for wood and wood products.

         The'exemptions  set forth above do not supersede the provisions of Rule 3.

(51.13)   Rule 2:6.  Agricultural Burning;   This rule applies to both the portions
         Northeast Plateau  A1r Basin and the Sacramento Valley Air Basin located
         within the boundaries of Shasta County Air  Pollution Control District.

         (1)  GENERAL PROVISIONS:

              (a)   Policy;   The guidelines established by this rule are not
                    intended  to  permit open burning  on days when such open
                    burning 1s prohibited  by public  fire protection agencies
                    for  purposes of  fire control  or  prevention.

              (b)   Permissive or No Burn  Days;

                    (i)   Commencing no later  than December 20, 1972, a notice
                         as  to  whether a  day  is  a permissive-burn day or a no-
                         burn day will be provided  by the Air Resources Board
                         each morning by  0745 for each of the air basins within
                         the District. Such  notices will be based on the
                         Meteorological Criteria for Regulating Agricultural
                         Burning, which were  adopted by the Air Resources Board
                         on  June 21,  1972.
                                             -7-

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      (ii)  An advisory outlook which estimates whether the
            following day(s) will  be a permissive-burn or no-
            burn day(s) will be made.

      (iv)  Upon requests from a permittee through a designated
            agency, seven days in advance of a specific range
            improvement burn at any elevation below 6,000 feet
            (msl), or of a specific forest management burn at
            elevations between 3,000 to 6,000 feet (msl), a
            permissive-burn or no-burn notice will  be issued by
            the Air Resources Board up to 48 hours prior to the
            date scheduled for the burn.   Without further request,
            a daily notice will continue to be issued until a
            permissive-burn notice is issued.

      (v)    Notwithstanding the above provision, the Air Resources
            Board may cancel permissive-burn notices that had
            been issued more than 24-hours in advance if the
            cancellation is necessary to maintain suitable air
            quality.

      (vi)  A permissive-burn or no-burn advisory outlook will
            be available up to 72-hours in advance of such burns.

      (vii)  The Shasta County Air Pollution Control  Officer may
            declare no-burn days in addition to those so declared
            by the Air Resources Board.

(c)    Burning Permits:

      (i)    No person knowingly shall engage in agricultural
            burning unless he has  a valid permit from the agency
            designated by the Air Resources Board to issue such
            permits in the area where the agricultural  burn will
            take place.   A violation of this Rule constitutes  a
            violation of Section 39299 of the California Health
            and Safety Code.

            (a)   Each agency so designated by the  State Air
                  Resources Board  shall issue agricultural
                  burning permits  subject to the Rules  and
                  Regulations of the State Air Resources Board
                  and of the County Air Pollution Control
                  District.

      (ii)   Each applicant for a permit shall  provide information
            as  required  by a fire  protection agency  having
            jurisdiction for fire  protection purposes.
                               -8-

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      (iii) Each applicant for i permit shall  provide  information
            as required by the Air Pollution Control District.

      (vi)  At least twenty-four hours prior to the burn,  notice
            of intent should be given by the permittee to  the
            designated agency having jurisdiction over the site
            of the proposed burn.

      (v)   Except for special permits, no permit shall  be valid
            for any day during a period in which agricultural
            burning as prohibited by the State Air Resources
            Board or the Shasta County Air Pollution Control
            Officer.

      (vi)  No permit shall be valid for any day in which  burning
            is prohibited by the designated fire control agency
            having jurisdiction over the site  of the burn  for
            the purpose of fire control or prevention.

(d)   Burning Report:

      (i)   A report of burning pursuant to this Rule  during
            each quarter of a calendar year shall be submitted
            to the Air Resources Board by the  Shasta County
            Air Pollution District within 20 days of the end
            of the quarter.  The report shall  include  the
            date of each burn, the type of waste burned* and
            the estimated tonnage or acreage of waste  burned.

      (ii)  A report of permits issued by special permit
            authorizing burning on no-burn days during each
            quarter of a calendar year shall be submitted  to the
            Board within 20 days after the end of the  quarter.
            The report shall include the number of such permits
            issued, the date of issuance of each permit, the
            person or persons to whom the permit was issued,
            an estimate of the amount of wastes burned pursuant
            to the permit, and a summary of the reasons why denial
            of such permits would have threatened imminent and
            substantial economic loss.

(e)   Penalty and Enforcement Provisions;

      (i)   The prohibitions herein set forth  are subject  to the
            penalty provisions contained in Shasta County  Air
            Pollution Control District Rules,  by reference to the
            State Law which includes Health and Safety Code
            Section 24253.
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 (ii)  The Control Officer is charged with the enforcement
      of these rules as per Shasta County Air Pollution
      Control District Rule 3:7.
 (iii) Open Burning:
      (a)   Complaint received or burning observed.
      (b)   Investigation (fire protection agency or air
            pollution control district).
            1.   Determine responsible person.
            2.   Determine who ordered fire.
            3.   Ask for permit.
            4.   Determine whether violation exists.
(iv)  If violation exists:
      (a)   Action taken:
            1.   Obtain all pertinent information for
                 report - name, address, location of burn,
                 material, wind direction, description of
                 fire and smoke, statements made by subject,
                 witnesses, photos if possible.
            2.   Issue citation to appear
                 (Section Penal Code 836.5).
            3.   If citation cannot be issued because of
                 complexities of the violation or the
                 magnitude of the violations, the
                 following may be pursued:
                 a.     Investigation:  same as above.
                 b.     Review file with Air Pollution
                       Control  Officer.
                 c.     Ask District Attorney for complaint
                       or injunctive  action.
            4.   May issue official  notice to cease and
                 desist - subject to judgment of officer.
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(2)   PROHIBITIONS -  CONDITIONS  FOR  OPEN  BURNING  IN AGRICULTURAL
     OPERATIONS IN THE  GROWING  AND  HARVESTING OF CROPS OR RAISING
     OF FOWLS OR ANIMALS:

     (a)    All  material  to  be burned must  be free of material that
           is not produced  in an  agricultural operation, except  for
           approved  ignrcion devices;

     (b)    All  material  to  be burned mut be arranged so that  it  will
           burn with a  minimum  of smoke  and must be reasonably free
           of dirt,  soil and visible surface moisture, and when
           required, all waste  piled to  be burned must be prepared
           so that it will  burn with a minimum of smoke; and  when
           required  by  District,  the burn  shall  be assisted with the
           use  of mechanical and  blowing devices;

     (c)    The  wood  waste shall be  cut and dried prior to burning
           for  the following specified minimum periods:

           Trees under  6" (DBH) - 3 months;

           Vines,  bushes, prunings  and small branches between the
           months  of November and April  -  3 months;

           Vines,  bushes, prunings  and small branches between the
           months  of May and October - 2 months;

           Waste from field crops that are cut in a green condition -
           3  weeks-:

           All  unwanted  trees over  6" diameter at breast height  (DBH)
           be fallen and dried  for  a minimum period prior to  burning
           as follows:

           Between 6'' and 12" - 6 months;

           Between 12"  and  24"  -  1  year;

           Over 24"  - 2 years.

        .   Hov/ever,  if  any  tree over 0"  DBH is fallen and bucked to
           lengths under 24" and  split accordingly, the minimum
           drying  period 1s 3 months.

     (d)    The  Air Pollution Control Officer may restrict burning to
           selected  permittees  on designated burn days if the total
           tonnage to be ignited  would discharge a volume of
           contaminants into the atmosphere  sufficient to cause
           adverse conditions.  In  no event shall more than 10%  of any
           single  crop, or  3,000  acres, whichever is greater, be
           ignited on any given day.
                                -11-

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     (e)    No burning be conducted  if wind  conditions would  cause  an
           updue amount of smoke to be blown  into  populated  areas.
           However,  in no event shall  a public  or  private  nuisance
           be permitted to exist by the Air Pollution Control Officer
           or by the permittee.

     (f)    All  fires be ignited by  ignition devices  approved by  the
           Shasta County Air Pollution Control  District, but in  no
           event shall fires be ignited by  waste oil, tires  or tar
           paper.

(3)   PROHIBITIONS -  CONDITIONS  FOR  RANGE IMPROVEMENT BURNING:

     (a)    All  fires be ignited by  ignition devices  approved by  the
           Shasta County Air Pollution Control  District, but in  no
           event shall fires be ignited by  waste oil, tires  or tar
           paper.

     (b)    The  Air Pollution Control  Officer  may restrict  burning  to
           selected  permittees  on designated  burn  days  if  the
           total  tonnage to be  ignited would  discharge  a volume  of
           contaminants into the atmosphere sufficient  to  cause
           adverse conditions.   In  no event shall  more  than  6,000
           acres  be  ignited on  any  given day.

     (c)    The  burn  must be ignited as rapidly  as  practicable within
           applicable fire control  restrictions.

     (d)    No burning be conducted  if wind conditions would cause an
           undue  amount of smoke to be blown  into  populated  areas.
           However,  in no event shall  a public  or  private  nuisance
           be permitted to exist by the Air Pollution Control
           Officer or by the permittee.

     (e)    All  brush to be burned must be brush treated at least
           six  months prior to  the  burn unless  such, in the  opinion
           of the Air Pollution  Control  Officer of the  District, is
           economically and technically not feasible.

     (f)    The  wood  waste be cut and  dried  prior to  burning  for  the
           following specified  minimum periods:

           Trees  under 6"  (DBH)  - 3 months;

           Vines  and bushes  between the months  of  November and April -
           3  months;

           Vines  and bushes  between the months  of  May and  October  -
           2  months;
                                -12-

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           All  unwanted trees  over  6"  diameter  at  breast  height  (DBH)
           be fallen and dried for  a minimum  period  prior to burning
           as follows:

         .  Between 6" and 12"  - 6 months;

           Between 12"  and 24" - 1  year;

           Over 24" - 2 years.

           However, if any tree over 6"  DBH is  fallen  and bucked to
           lengths  under 24" and split accordingly,  the minimum
           drying period is 3  months.

     (g)    If the burn  is to be done primarily  for improvement of
           land for wildlife and game  habitat,  the permit applicant
           must file with the  district a  statement from the
           Department of Fish  and Game certifying  that the burn  is
           desirable and proper.

(4)   PROHIBITIONS - FOREST MANAGEMENT  BURNING:

     (a)    All  fires be ignited by  ignition devices  approved by  the
          .Shasta County Air Pollution Control  District,  but in  no
           event shall  fires be ignited  by waste oil,  tires or  tar
           paper.

     (b)    The Air Pollution Control Officer  may restrict burning to
           selected permittees on designated  burn  days if the total
           tonnage to be ignited would discharge a volume of
           contaminants into the atmosphere sufficient to cause  adverse
           conditions.   In no  event shall  more  than  10% of any single
           crop, or debris on  3,000 acres, whichever is greater, be
           ignited on any given day.

     (c)    The burn must be ignited as rapidly  as  practicable
           within applicable fire control  restrictions.

     (d)    No burning be conducted  if  wind conditions  would cause an
           undue amount  of  smoke to be blown  into  populated areas.
          However,  in  no event  shall  a public or  private  nuisance be
          permitted  to  exist  by the Air Pollution Control Officer or
          by the permittee.

     (e)    The wood waste be cut and dried prior to  burning for  the
           following specified minimum periods:

           Trees under  6" (DBH) - 3 months;
                                 -13-

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                    Vines and bushes between the months of November and April  -
                    3 months;

                    Vines and bushes between the months of May and October -
                    2 months;

                    All  unwanted trees over 6"  diameter at breast height (DBH)
                    be fallen and dried for a minimum period prior to burning
                    as follows:

                    Between 6" and 12" - 6 months;

                    Between 12"  and 24" - 1 year;

                    Over 24" - 2 years.

                    However, if  any tree over 6" DBH is fallen and bucked to
                    lengths over 24" and split  accordingly, the minimum
                    drying period is 3 months.

              (f)   All  waste to be burned must be  free of tires, rubbish, tar
                    paper or construction debris.

              (g)   All  waste to be burned must be  windrowed or piled where
                    possible, unless good silvicultural practice dictates <
                    otherwise.

              (h)   All  waste piled to be burned must be oreoared so that it.
                    will burn with a minimum of smoke; and when required by
                    District, the burn shall  be assisted with use of mechanical
                    air  blowing  devices.

              (i)   All  waste piled to be burned must be reasonably free of
                    dirt and soil.

         Rule 2:6(5) Exceptions:

              (b)   Any  person who sets a fire  pursuant to the written order
                    of an enforcement officer for the purpose of disease or
                    pest control  shall be exempt from the provisions of this
                    Rule 2:6 or  Rule 2:7.

(51.13)   Rule 2:7.   Open Burning  in Urban Areas:  It shall  be unlawful  after
         July 1,  1972, to burn combustible or flammable solid or liquid waste
         in open  outdoor fires within that portion  of Shasta County within the
         boundaries  of the  Enterprise Public  Utility District and within the.
         boundaries  of the  Central  Valley Fire  District.   It shall  be unlawful
         after April 1,  1973, to  burn combustible or flammable solid or liquid
         waste in open outdoor fires within that portion of Shasta County
         within the  city limits  of Redding and  Anderson.
         (Added 5/8/>2)'
                                          -14-

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(51.13)   Rule 2:8.   Exceptions  to Open  Burning;

         (a)   Nothing  in  Rules  2:6  or 2:7  shall be construed as limiting the
              authority granted under other  provisions of  law:

              (1)    To any public officer  to set  or  permit a fire when such
                    fire  is,  in his opinion, necessary for any of the following
                    purposes:

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

                    (b)   The instruction  of public  employees in the methods
                          of  fighting fires,

                    (c)   Set pursuant  to  permit  on  property used for industrial
                          purposes  for  the purpose of instruction of employees
                          in  methods of fighting  fire.

         (b)   To set or cause to be set backfires necessary to save life or
              valuable property pursuant to  Section  4426 of the Public Resources
              Code.

         (c)   To abate fires  pursuant to Chapter  2  (commencing with Section
              13025) of Part  I of Division 12 of  the Health and Safety Code.

         (e)   The Air Pollution Control Officer is  authorized  to  issue permits
              for open outdoor fires in mechanized  burners fqr the  purpose of
              disposing of agricultural wastes, or  wood  waste  from  trees,  vines,
              bushes, or  other wood debris free of  nonwood materials on  the
              condition that  no air contaminant is  discharged  into  the atmosphere
              for a period or periods aggregating more than 30 minutes in  any
              eight-hour  period which  is:

              a.    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

              b.    Of such opacity as  to obscure an observer's  view  to  a  degree
                    equal to  or greater than does smoke described in  subdivision
                    (a).

(51.13)  Rule 2:9.  Additional No Burn  Days:  The Air Pollution  Control  Officer
         mey dec!are"No-Burn  days in addition to  those so  declared  by  the  State
         Air Resources Board.
         (Added 5/8/72)

(3-°)    Rule 2:in.   Action on Applications  Interim Variance:

         The Control Officer shall  act, within a  reasonable time,  on  an
         application for authority to constructs,  permit to operate  or  permit
                                          -15-

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         to sell  or rent,  and shall  notify  the  applicant in writing of  his
         approval,  conditional  approval  or  denial.  Where an  application  for
         a permit is pending  before  the  Control  Officer, and  where the
         Control  Officer has  not,  in his opinion, sufficient  data to  act
         upon such  application,  then the Control Officer shall apply  to the
         Hearing  Board for a  variance for sufficient  time to  make a
         determination on  such application.   Any variance granted pursuant
         to such  application  shall be conditioned upon  full compliance  by
         the applicant with Rules  2:7 and 2:11.

(2.0)    .Rule 2:11.   Fees;

         a.   Every applicant,  except any governmental  agency for a  permit
              to  operate or for  the  extension,   revocation, mooification  or
              transfer thereof shall  pay to the  office  of the Control Officer
              a deposit and a non-refundable permit fee as follows:   such fee
              schedule shall  be  established pursuant  to the provisions  of
              Section 24267.
                              PERMIT  FEE SCHEDULES

         1.    Maximum  designed fuel consumption measured  in 1,000 BTU/hr.

              150  or less                                     $ 40.00
              greater  than  150,  but less than 650             ;  80.00
              650  or greater,  but  less  than  1,500              120.00
              1,500 or greater,  but less than 5,000            160.00
              5,000 or greater,  but less than 10,000           200.00
              10,000 or greater, but  less than 20,000          250.00
              20,000 or greater, but  less than 50,000          300.00
              50,000 or greater                                350.00

         2.    Incinerators  in  square  footage combustion chamber at maximum
              width where designed according to acceptable engineering
              principles with  respect to loading.

              10 or less                                     $ 40.00
              greater  than  10,  but less than 50                 80.00
              50 or greater, but less than 500                 150.00
              500  or greater,  but  less  than  2,000              250.00
              2,000 or greater                                350.00

         3.    Electrical energy  usage measured in kilovolt amperes (KVA)
              (one KVA equals  approximately  one horsepower).

              20 or less                                     $ 20.00
              greater  than  20, but less than 50                 40.00
              50 or greater, but less than 200                  80.00
              200  or greater,  but  less  than  1,000              140.00
                                         -16-

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     1,000 or greater, but less than 10,000          $220.00
     10,000 or greater, but less than 50,000          300.00
     50,000 or greater                                350.00

4.   Stationary tanks and containers, measured by volume in cubic
     feet.

     150 or less                                     $ 10.00
     greater than 150, but less than 700     <          20.00
     700 or greater, but less than 1,500               40.00
     1,500 or greater, but less than 7,000  •           60.00
     7,000 or greater, but less than 15,000            80.00
     15,000 or greater, but less than 70,000          100.00
     70,000 or greater, but less than 150,00          150.00
     150,000 or greater                               200.00

5.   Emissions measured as standard dry cubic ft/minute of exhaust
     or discharge into the atmosphere.

     2,000 or less                                   $ 20.00
     greater than 2,000, but less than 5,000           40.00
     5,000 or greater, but less than 10,000            60.00
     10,000 or greater, but less than 20,000          100.00
     .20,000 or greater, but less than 50,000          140.00
     50,000 or greater, but less than 100,000         200.00
     100,000 or greater                               300.00

6.   Initial filing fee.

     (a)   The deposit required upon the filing of an application
           shall be an amount equal to the lowest fee in the applicable
           permit fee schedule.

     (b)   The applicable permit fee schedule notwithstanding,
           the deposit shall be $20.00 and such amount shall be the
           total fee for devices operating less than one hundred (100)
           hours per year.

7.   Multi-component systems will be measured by the totals of all
     components.

8.   General rules applicable to this fee schedule:

     (a)   In the event that more than one fee schedule is applicable
           to a permit to operate, the governing schedule shall be
           that which results in the higher fee.

     (b)   Any article, machine, device, or other contrivance which
           is not included in the five preceding schedules shall be
           assessed a permit to operate fee of $40.00.
                                  -17-

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              (c)   If the Control  Officer ascertains that tests  will  be
                    required which  he does not routinely perform, then he is
                  .  authorized to charge additional  fees not to exceed his
                    estimated cost  of making such tests provided  that  the
                    applicant shall be advised of such additional permit fee
                    prior to the making of such tests and given the  option to
                    have such tests made by an independent laboratory  approved
                    by the Control  Officer at the applicant's cost.

              (d)   If the multi-component system includes articles  or devices
                    covered by more than one schedule, the total  fee shall be
                    an amount equal to the sum of the two highest fee  schedules.
                    Fees under each schedule shall  be computed as if the
                    aggregate of the devices were a  single device.

              (e)   If a replacement, addition, or modification for  which an
                    additional permit is required is made to a system  for
                    which a permit  to operate has been issued, a  fee not
                    exceeding the permit fee for the Individual device replaced,
                    added to the system or modified  shall be charged to
                    reimburse the District for actual costs incurred in
                    processing the  application.
         THIS FEE SCHEDULE APPLIES ONLY TO DEVICES REQUIRING A PERMIT  UNDER
         RULES 2:2,  2:3 AND 2:4.

              (b)   A fee shall  be paid for services  rendered by the Air
                    Pollution Control  District for photocopies and  transcription
                    of tapes from Hearing Board proceedings  as established by
                    the schedule set by the Air Pollution Control Board.
                    (Amended 10/1/73)


(3.0)     Rule 2:12.   Standards for Granting Applications: In acting upon a
         Permit to Operate, if the Control Officer finds  that the article,
         machine, equipment or ether contrivance has  been constructed  not in
         accordance  with the Authority to Construct,  he shall deny  the Permit
         to Operate.   The Control  Officer shall  not accept any further
         application for permit to operate the article, machine, equipment or
         other contrivance so constructed until  he finds  that the article,
         machine, equipment or other contrivance has  been reconstructed in
         accordance  with the Authority to Construct.

(2.0)     Rule 2:13.   Conditional  Approval:  As a continuing
         permit,  tne  permittee snail be  required  to provide  any  or all
         information  required  by the Control Officer  pursuant to Section
         24269.   Upon  a willful! failure  to  provide such  information to
         the  Control Officer within a  reasonable  time,  the Control Officer
         may  suspend  the  permit sursuant  to  the  provisions of Section  24270.
                                           -10-

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         Any such  permit may  be conditioned  in any manner which the Control
         Officer may  reasonably require,  including, but not limited to,
         continued functioning in a  specified manner and under specified
         conditions.   No permit shall  be  issued which purports to permit a
         condition violative  of any  provision of Rule 3.  The existence of
         any permit shal"  not be c. defense to any allegation of a
         violation of Rule 3.

         a.    The  Control  Officer may  issue  an authority to construct or a
              permit  to operate> subject  to  conditions which will bring the
              operation of any article, machine, equipment or other contrivance
              within  the standards of  Rule 3, in which case the conditions
              shall be specified in  writing.  Commencing work under such an
              authority to construct or operation under such z permit to
              operate shall be deemed  acceptance of all the conditions so
              specified.   The Control  Officer shall issue an authority to
              construct or a  permit  to operate with revised conditions upon
              receipt of a new application,  1f the applicant  provided
              reasonable assurance that the  article, machine, equipment or
              other contrivance can  operate  within the standards of Rule 3
              under the revised conditions.

         b.    The  Control  Officer may  issue  a permit to sell or rent, subject
              to conditions which will bring the operation of any article,
              machines, equipment or other contrivance within the standards
              of Rule 3 in which case  the conditions shall be specified in
              writing.   Selling or renting under such a permit to sell or rent
              shall be deemed acceptance  of  all the conditions so specified.
             The  Control  Officer shall issue a permit to sell or rent with
              revised conditions upon  receipt of a new application if the
              applicant demonstrates that the article, machine, equipment
              cr other contrivance can operate within the standards of Rule  3
              under the revised conditions.

(9.0)     Rule 2:14.   Testing  Facilities;  Before an authority to construct
         or  a permit  to operate is granted,  the Control Officer may require
         the applicant to provide and  maintain such facilities as are necessary
         for sampling and testing purposes 1n order to secure information that
         will disclose the nature, extents quantity or degree of air contaminants
         discharged into the  atmosphere from the article, machine, equipment
         or  other  contrivance described in the authority to construct  or permit
         to  operate.   In the  event of  such a requirement, the Control Officer
         shall  notify the applicant  in writing of the required size, number
         and location of sampling holes;  the size and location of the sampling
         platform; the access to the sampling platform; and the utilities for
         operating the sampling and  testing  equipment.  The platform and access
         shall  be  constructed in accordance  with the General Industry Safety
         Orders of the State  of California.  A person operating or using any
         article,  machine, equipment or other contrivance for which these rules
                                            -19-

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         require a permit shall provide and maintain such sampling and
         testing facilities as specified in the authority to construct or permit
         to operate.  Any permittee or applicant for a variance may request
         the Control Officer to obtain test or emission data at the expense
         of the requesting party.  The cost of such service shall  be the
         actual cost to the District (including general overhead)  of
         performing such services.

(3.0)    Rule 2:15.  Appl ications Deemed Denied:   The applicant may at his
         option deem the authority to construct,  permit to operate or permit
         to sell or rent denied if the Control Officer fails to act on the
         application within 30 days after filing, or within 30 days after
         applicant furnishes the further Information, plans and specifications
         requested by the Control Officer, whichever is later.

(2.0)    Rule 2:16.  Aep_eajs:   Within 10 days  after notice, by the Control
         Officer, of denial "or conditional approval of an authority to
         construct? or approval to transfer, or a permit to operate or permit
         to sell or rent, the  applicant may petition the Hearing Board,
         in writing, for a public hearing.  The Hearing Board, after notice
         and a public hearing  held within 30 days after filing the petition,
         may sustain or reverse the action of the Control  Officer;  such
         order may be made subject to specified conditions.

(3.0)    Rule 2:17.  Status of Permit:   The person responsible for obtaining
         such permit shall maintain the same in a current status by notifying
         the Control Officer in writing of any significant change  in any item
         of information furnished in connection with obtaining such permit.

(2.0)    Rule 2:18.  Transfer:  An authority to construct, permit,  to operate,
         sell or rent shall not be transferable,  whether by operation of law
         or otherwise, either  from one location to another, from one piece
         of equipment to another, or from one  person to another, except on the
         written approval of the Control  Officer.

(3.0)    Rule 2:19.  Change in Multi-Component System:   Persons holding such
         permits may, at their discretion, and at any time, reapply for
         separate permits for  one or more of the  articles  originally included
         in a muHi-component  system.   Such application shall  be deemed an
         application for a new permit.

(3.0)    Rule 2:20.  Posting of Permit to Operate:   A person who hes been
         Granted a  permit to operate as described in Rule  2:3  shall  firmly
         affix such permit to  operate,  an approved facsimile,  or other
         approved identification bearing  the permit number upon the article,
         machine,  equipment or other contrivance  in such a manner  as to be
         clearly visible and accessible.   In the  event that the article,
         machine,  equipment or other contrivance  is so constructed
                                           -20-

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         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  25 feet of the article, machine, equipment,
         or other contrivance,  or maintained  readily available at all times on
         the operating  premises.

(3.0)     Rule 2:21.  Defacing  Permit;  No  person shall willfilly deface, alter,
         forge, counterfeit, or falsify a  permit to operate any article,
         machine, equipment, or other contrivance.

(14.0)    Rule 2:25.  Public Records -  Trade Secrets:

         a.    All information, analyses, plans, or specifications that disclose
              the nature,  extent, quantity, or degree of air contaminants or
              other pollution which any article, machine, equipment, or other
              contrivance  will  produce, which any air pollution control district
              or any  other state  or local  agency or district requires any
              applicant to provide before  such applicant builds, erects, alters,
              replaces, operates, sells, rents, or uses such article, machine,
              equipment, or other contrivance, are public records.

         b.    All air or other  pollution monitoring data, including data compiled
              from stationary  sources, are public  records.

         c.    Except  as otherwise provided in subdivision d, trade secrets are
              not public records  under this section.  "Trade secrets", as used
              in this section,  may include, but are not limited to, any
              formula,  plan, pattern,  process, tool, mechanism, compound,
              procedure, production data,  or  compilation of Information, which
              is not  patented,  which  is known only to certain individuals within
              a commercial  concern who are using it to fabricate, produce, or
              compound  an  article of  trade or a service having commercial
              .value and which gives its user  an opportunity to obtain a
              business  advantage  over  competitors who do not know or use it.

         d.    Notwithstanding any other provision of law, all air pollution
              emission  data, including those  emission data which constitute
              trade secrets as  defined in  subdivision c, are public  records.
              Data used to calculate emission data are not emission data for
              the purposes  of this subdivision of data which constitute
              trade secrets and which  are  used to calculate emission data
              are not public records.
                                           -21-

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         RULE III  -  PROHIBITIONS  AND  ENFORCEMENT
(2.0)     Rule 3.1   Applicability of State  Laws:

         Each and  every provision of Federal  or  State  Law  or  applicable
         Air Basin Plan now or herinafter  enacted  or as  amended which
         regulates the discharge of any  air contaminants is incorporated
         herein  by reference and where in  conflict with  local  rules  and
         regulations,  the  more restrictive provisions  shall apply.

(50.0)    Rule 3:2.  Specific Air Contaminants:   No person  shall discharge
         contaminants  from any single source  into  the  atmosphere  in  amounts
         greater than  those designated for the appropriate condition in
         Table II  of this  rule.   The categories  of permitted  discharges as
         utilized  in Table II  are designated  A,  B, C and D and established
         in  Table  I  as follows:

                                  EXHIBIT  "A"

                                   TABLE I
Elevation of
Discharge Point
Existi na Sources
below 1,000 feet
Existing Sources
above 1 ,000 feet
including the
portion of
the district
within the
Northeast
Plateau Air
Basin
New Industry
as of June 1,
1972
8-1-1971
to
1-1-1973
C
D








"A*


1-1-1973
to
1-1-1974
B
C








A*


1-1-1974
to
1-1-1975
B
C








A*


1-1-1975
to
1-1-1977
A
C








A*


1-1-1977
and
after
A
B








A*


        * UNLESS GOVERNED BY E.P.A. NEW SOURCE STANDARDS
                                          -22-

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Contaminant
I. Unclassified participate
matter in grains per
standard cubic foot
(1) (4)
[I. Participate natter
of participate size less
than 10 microns in grains
per standard cubic foot
(1)
III. Combustion contamin-
ants In grains per stan-
dard cubic foot
(2)
V. Ousts
(a) Maximum Ib/hr
(b) Ib/hr (E) as a
function of process
weight (Pt) ex-
pressed in tons
(3) (4)
V.
Sulfur dioxide in parts
per million
(5)
VI.
Total reduced sulfur
expressed as H?S from
recovery boilers in
p. p.m. by volume
(6)
VII.
Total reduced sulfur from
other sources in Ib/ton
of kraft pulp production
(7)
M^ylfniim Pmlccinn Prf
A

0.10


0.05


0.15


40
E-4.10Pt°-67

1000

17.5




1
B

0.20


0.10


0.20


55
E"4.10Pt°-67

1000

70




2
m Any Source
C D

0.30


0.15


0.30


70
E«5.00Pt°'67

1500

100




3

0.40


0.20


0.40


85
E«6.00Pt°'67

2000

150




4
-23-

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         Explanatory Notes for Table II:

                    (1)   Standard air or gas volume at 70°F.,  one atm.,  dry
                          basis.

                    (2)   Flue gas volume calculated at 70°F.,  one atm.,  dry
                          basis,  12% CO?  equivalent.   Carbon  dioxide  produced
                          by auxiliary fuel,  used in refuse incinerators,  is
                          to be excluded  from, the calculation.

                    (3)   Process weights above 30 tons per hour shall  conform
                          to the  formula  E =  55Pt o.ll -40.

                    (4)   Emissions are to be measured by the methods described
                          in the  Shasta County Air Pollution  Control  Officer's
                          "Source Testing Manual".

                    (5)   Standard air or gas  volume at 70°F., one atm.,  dry
                          basis.   When sulfur dioxide is the  byproduct of
                          combustion of a carbonaceous fuel,  the gas  volume
                          shall  be calculated to 12% C02.

                    (6)   Total  reduced sulfur compounds,  in  gas phase leaving
                          kraft recovery  boiler, expressed as hydrogen sulfide.
                          Standard conditions for determination of gas  volume -
                          70°F.,  one atm.,  dry basis.

                    (7)   Total  reduced sulfur compounds,  in  gas phase at  any
                          point of emission other than kraft  recovery boiler.
                          Expressed as pounds of sulfur per air dried ton  of
                          kraft wood pulp production.

         New or  modified  emission sources,  after July 1,  1972,  which  do not
         result  in  net emission reduction,  shall  be  required  to comply with
         rows I,  II  and IV of Table  II.


(51.16)   Rule 3:3.   Hydrocarbons  - Loading  Facilities:   Subsequent to August 1,
         1971, a  person shall  not load gasoline into  any  tank truck or  trailer
         from any loading  facility unless such loading facility is equipped
         with a  vapor  collection  and disposal  system  or its equivalent, properly
         installed,  in good working order and in operation.

         When loading  is  effected through the hatches  of  a  tank truck or  trailer
         with a  loading arm equipped with a vapor collecting  adaptor,  a pneumatic,
         hydraulic  or  other mechanical  means  shall be  provided  to  force a  vapor-
         tight seal  between the adaptor and the hatch.  A  means shall  be provided
         to  prevent  liquid gasoline drainage  from the  loading device  when  it
                                         -24-

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         is removed from the hatch  of  any tank  truck or  trailer, or to
         accomplish complete drainage  before  such  removal.

         When loading is effected through means other  than hatches, all
         loading and vapor lines shall  be equipped with  fittings which make
         vapor-tight connections and which close automatically when disconnected.

         The vapor disposal  portion of the system  shall  consist of one of the
         following:

              a.     A vapor-liquid  absorber system with  a minimum recovery
                    efficiency of 90  percent by weight  of all hydro-carbon
                    vapors and gases entering such disposal  system.

              b.     A variable vapor space tank, compressor,  ajnd fuel gas  .
                    system of sufficient capacity  to received all hydrocarbon
                    vapors and gases displaced'from the  tank  trucks and
                    trailers being  loaded.
                                           \
              c,     Other equipment of at least 90 percent efficiency,  provided
                    such equipment  is  submitted to and approved by the Control
                    Officer.

         This rule shall not apply  to  the loading  of gasoline into tank  trucks
         and trailers from any loading facility from which not more than 10,000
         gallons of gasoline are loaded in any  one day,

(51.16)   Rule 3:4.   Industrial Use  of  Organic Solvents:

         a.   A person shall not discharge more than 15  pounds of organic solvents
              into the atmosphere in any one  week  from any article, machine,
              equipment or other contrivance  in which  any organic solvent or
              any material containing  organic solvent  comes  into contact with
              flame or is baked, heat  cured or  heat-polymerized, in the
              presence of oxygen at temperatures above 400°F.» unless all
              organic solvents discharged from  such article,  machine, equipment
              or other contrivance  have been  reduced either  by at least  85
              percent  over-all or  to  not more  than 15 pounds in any one week.

         b.   A person shall not discharge more than 40  pounds of photochemically
              reactive solvents into the atmosphere in any one week from any
              article, machine, equipment or  other contrivance used under
              conditions other than described in section a,  for employing,
              applying, evaporating, or drying  any photochemically reactive
              solvent, as defined in Rule 1:2,  or  material containing such
              solvent, unless al'l photochemically  reactive solvents discharged
              from such article, machine, equipment or other  contrivance have
              been reduced either by at least 85 percent over-all or not to
              more than 40 pounds in any one  week.  .
                                          -25-

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              The provisions of this rule shall  not apply to:

              1.    The spraying or other employment of insecticides,
                   pesticides or herbicides.

              2.    The employment, application,  evaporation,  or drying  of
                   saturated halogenated hydrocarbons  or perch!oroethylene.

              Whenever any organic solvent of any constituent of an organic
              solvent may be classified from  its chemical structure into
              more than one of the above groups  of organic compounds, it
              shall be considered as a member of the most  reactive chemical
              groups, that is, the groups having the least allowable per-
              cent of the total of solvents.

         c.    No  person shall discharge from  any device, contrivance or
              machine more than forty (40) pounds per  day of  any photochemically
              reactive substance other than those described in a and b  above
              unless such discharge is controlled to reduce emissions by  85%.
              (Amended 10/1/73)

(51.1)   Rule 3:5.  Agricultural Uses:  Discharges created in the course  of
         applying agricultural materials in strict compliance with a permit
         issued by the County Agricultural Commissioner are not violations of
         these regulations.

(2.0)     Rule 3:6.  Circumvention:   No person shall  build, erect, install or
         use any  article, machine,  equipment  or  other  contrivance, the  use of
         which, without resulting in a reduction in the total  release of  air
         contaminants to the atmosphere, reduces or conceals  an  emission  which
         would otherwise constitute a violation.

(2.0)     Rule 3:7.  Enforcement;   These rules and regulations shall be  enforced
         by  the Control  Officer pursuant to all  applicable law.   The pursuit
         of  any one such remedy shall  not be  deemed an election  of remedies.
         All  available remedies may be pursued individually,  collectively,
         concurrently, or consecutively, at the  option of the  Control Officer.

(2.0)     Rule 3:8.  Orders for Abatement:   The Clerk of the Hearing Board shall,
         on  the petition of the Control  Officer,  or may,  upon  receipt of  a
         verified petition from any other interested person, which adequately
         establishes sufficient facts to support a violation,  notice a  hearing
         to  determine the existence of any alleged violation  of  any statute,
         rule,  or regulation prohibiting or limiting the discharge of air
         contaminants into the atmosphere.  Each notice shall  include the
         nature of the alleged violation,  the time and place  of  the hearing
         and  shall inform the alleged violator that he has the  right to
         counsel  at the  proceeding,  the right to compel  the attendance  of
                                          -26-

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        of witnesses on his behalf, the right to cross-examine witnesses,
        and the right to procure a court reporter to record and/or
        transcribe the proceedings, all at his own expense.  All  such
        petitions shall be set for hearing or dismissed within  30 days of
        receipt of same.  Hearings shall be set no sooner than  ten days and
        no later than thirty-five days from the date of service of such
        notice.  Whenever the Hearing Board finds that  any person is in
        violation of any such statute, rule or regulation, the  Hearing Board
        shall issue its order of abatement.

(2.0)    Rule 3:9.   Recommendation of Control  Officer:   No suggestion or
         recommendation of the Control  Officer shall  be deemed a  guaranty  that
         the recommended device or process will  in fact result  in compliance
         with these rules.

(7.0)    Rule 3:10.  Breakdown or Upset Condition;   Emissions exceeding any
         of the limits established in these Rules as a  direct result of upset
         conditions in, or breakdown of, any operating  equipment  or related
         air pollution control equipment, or as a direct result of a shutdown
         of such equipment for scheduled maintenance (which shall  not exceed
         12 per 12  month period), shall be excused provided all the following
         requirements are met:

              a.   For scheduled maintenance,  a report  shall  be submitted  at
                   least twenty-four (24) hours prior to shutdown.

              b.   For upset conditions or breakdown, a report  shall in any
                   case be made within four (4) hours of the occurence.

              c.   The person responsible for such emissions shall, with all
                   practicable speed, initiate and complete appropriate
                   reasonable action to correct the conditions  causing such
                   emissions to exceed the limits ot these Rules  and to reduce
                   the frequency of the occurrence of such conditions; and shall,
                   upon the request of the Control  Officer, submit in writing
                   a full  report of each occurrence, including  a  statement
                   of all  known causes and the nature of the actions to be
                   taken pursuant to the requirements of this section.

(2.0)    Rule 3:11.  Local Rules:  Any City, Public Utility District or other
         local agency having the authority so to do may by ordinance enact rules
         more restrictive than the rules contained herein.  It  is not the
         intention  of the District to preempt the field.

(51.21)   Rule 3:12.  Reduction of Matter of Animal  Origin (Except the curing
         of glue):   A person shall  not operate or use any article,  machine,
         equipment  or other contrivance for the reduction of matter of animal
         origin, unless all  gases,  vapors and gas-entrained effluents which
         contain odorous materials from such an article, machine,  equipment
         or other contrivance are:
                                            -27-

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              a.   Incinerated at temperatures of not less than twelve
                   hundred degrees Fahrenheit (12000p.) for a period of
                   not less than 0.3 seconds, or

              b.   Processed in such a manner determined by the Air Pollution
                   Control Officer to be equally, or more, effective for the
                   purpose of air pollution control than a  above.

         A person incinerating or processing gases, vapors, or gas-entrained
         effluents pursuant to this Rule shall provide, properly install and
         maintain in calibration, in good working order, and in operation,
         devices as specified in the Authorization to Construct or Permit to
         Operate, or as specified by the Air Pollution Control Officer, for
         indicating temperature, pressure or other operating conditions.

         For the purpose of this Rule, "reduction" is defined as any heated
         process, including rendering, cooking, drying, dehydrating, digesting,
         evaporating and protein concentrating.

         The provisions of this Section shall not apply to any article, machine,
         equipment or other contrivance used exclusively  for the processing
         of food for human consumption.
         (Added 5/8/73)


         RULE IV - PROCEDURE BEFORE THE HEARING BOARD


(3.0)    Rule 4:1.  Applicable Articles of the Health & Safety Code;
         The provisions of Article 5 and Article 6, Chapter 2, Division 20  of
         the State of California Health and Safety Code, as amended respectively
         entitled "Variances and Procedure", are incorporated herein by this
         reference.

(2.0)    Rule 4:2.  General:  This procedure shall apply to all  proceedings
         before the  Hearing" Board.

(2.0)    Rule 4:3.  Filing Petitions:   Request for a hearing shall  be initiated
         by the filing of the original and five (5) copies of a  petition with
         the Clerk of the Hearing Board who shall  be the Control  Officer, and
         the payment to said Clerk of the fee provided in Rule 4:4.
         (Amended 7/12/71 and 10/1/73)

(16.0)    Rule 4:4.  Hearing Board Fees:   Every applicant or petitioner for  a
         variance or for the extension,  revocation of modification  of a variance,
         and every applicant under Rule 2:16 hereof, shall  pay to the Clerk of
         the Hearing Board, on filing a non-refundable fee as set forth in  the
         schedule of fees then in effect as adopted by the Board.   Such fees
         shall  be determined pursuant to Section 24293.   No fee  shall be required
         of a public agency or a,public officer acting in scope  of his official
         capacity.
                                           -28-

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 (2.0)    Rule 4:5  Contents of Petitions:  Every petition shall state:

         a.     The name, address, and telephone number of the petitioner, or
                other person authorized to receive service of notices;

         b.     Whether the petitioner is an individual, copartnership, corporation,
                or other entity; and names and addresses of partners if a
                copartnership; names and addresses of the persons in control  if
                other entity;

         c.     The type of business or activity involved in the application, and
                the street address at which it is conducted;

         d.     A brief description of the article, machine, equipment, or other
                contrivance, if any, involved in the application.

         e.     Whether the petitioner desires a hearing:

                1.   For a variance under Section 24292, Health and Safety Code, or

                2.   For an alleged violation, or

                3.   Other matter specified in Division 20, Chapter 2,  Health and
                     Safety Code;

         f.     Each petition shall be signed by the petitioner, or some person
                on his behalf; and where the person signing is not the  petitioner,
                it shall set forth his authority to sign;

         g.     All  petitions shall be typewritten, double spaced, on letter  size
                paper, on one side of the paper only, leaving a margin  of at  least
                one  inch at the top and left side of each sheet.


 (5.0)    RULE 4.6  Petition for Variance:  In addition to matters required by
          Rule 4.5,  a petition for variance shall be made on forms provided by
          the Air Pollutuion Control  Officer and shall  state facts sufficient to
          enable the Air Pollution Hearing Board to make findings required by the
          Hearing Board to make findings required by Health and Safety Code
          Section 24296.5 and to exercise its discretion pursuant to Health and
          Safety Code Section 24297.

(2.0)     Rule  4:7  Petition for  Abatement Order:   In addition  to the matters
         required  by Rule 4:5,  a  Petition  for an  Abatement Order shall  state
         briefly:

         a.      Statement  of the  acts,  uses,  and/or conditions  complained  of;

         b.      A  statement of the location,  dates,  and  times  of occurrence
                thereof;

         c.      A  statement of the rule(s) violated thereby;
                                                -29-

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         d.    If the petition is filed by the Control  Officer,  a  statement
              that more than 30 days prior to filing the petition the  Control
              Officer served upon the alleged violator(s) a notice of  alleged
              violation and demand for correction,  and that correction has
              not been made.  If a shorter notice period is stated, the
              petition shall include the reasons therefor, which  reasons  shall
              relate to the welfare of the people of the County.

(2.0)    Rule 4:8.   Contents of Notice of Appeal:   (Repealed October 1, 1973
         by  Resolution 73-2)

(2.0)    Rule 4:9.   Failure  to Comply with Rules:   The Clerk of  the Hearing
         Board shall not accept for filing any petition which does not comply
         with these rules.

(2.0)    Rule 4:10.   Service of Notices, Etc.;   Every person who is subject
         to  these rules and regulations may be served  with notices, including
         notices of hearing before the Hearing Board,  by Certified Mail.

(2.0)    Rule 4:11.  Answers:   Any interested person may file an  answer within
         10  days after service.

(2.0)    Rule 4:12.  Withdrawal of Petition;   The petitioner may  withdraw his
         petition 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
         withdrawal.

(16.0)    Rule 4:13.  Place of Hearing;   All  hearings shall  be held at  the time
         and place designated by the Hearing  Board.

(16.0)    Rule 4:14.  Notice of Hearing;

         (a)  The hearing board shall  serve a notice of the time  and place of
              a  hearing to grant a variance upon the air pollution control
              officer, all  other air pollution control  districts  within the
              air pollution control  districts within the air basin as  defined
              by the State Air Resources Board,  the State Air Resources Board,
              the Environmental Protection Agency,  and upon the petitioner,
              if any, not less than 30 days prior to such hearing.

         (b)  The hearing board shall  also send  notice of the hearing  to  at
              least one daily newspaper of general  circulation  in the  district,
              and obtain publication in such  newspaper, and to  every person
              who requests  such notice.  Such notice shall  be sent and published
              not less than 30 days prior to  the hearing.   The  notice  shall
              contain the time and place of the  hearing and such  other
              information as may be necessary to reasonably apprise the people
              within the district of the nature  and purpose of  the meeting.
                                            -30-

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         (c)  At least 30 days prior to the hearing,  the  hearing  board  shall
              make the petition for variance,  including all  proposed  conditions
              of increments of progress, if any,  available  to  the public  for
              inspection.  The hearing board may  require  that  the petitioner
              submit proposed conditions or increments of progress as part  of
              the petition.  If the petitioner fails  to do  so,  the hearing
              board may itself propose conditions or  increments of progress,
              or dismiss the petition.  The hearing notice  shall  state  that the
              petition, including proposed conditions or  increments of  progress,
              is available for public inspection, and set forth the place and
              times therefor.

         (d)  In the case of a variance or series of  variances  totaling not
              more than 90 days, the notice requirements  of subdivisions  (b)
              and (c) shall not apply.  For such  a variance or variances,
              notices shall be served as required in  subdivision  (a), and upon
              any person who requests notice of such  variances, not less  than
              10 days before the hearing.

(2.0)    Rule 4:15.  Rules of Evidence and Procedure;

         a.    Oral evidence may be taken on oath  or affirmation.

         b.    Each party shall have the right: To call and examine witnesses;
              to introduce exhibits; to cross-examine opposing  witnesses  on
              any matter relevant to the issues;  and  to rebut  the evidence
              against him.

         c.    The formal rules of evidence or  procedure which  must be followed
              in a court proceeding shall  .hot  be  applicable.    Any relevant
              evidence shall  be admitted if it is the sort  of  evidence  on which
              responsible persons are accustomed  to rely  in the conduct of
              serious affairs.  Hearsay evidence  may  be used for  the  purpose
              of supplementing or explaining any  direct evidence, but shall
              not be sufficient 1n itself to support  a finding unless it  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.

(2.0)    Rule 4:16.  Preliminary Matters;   Preliminary matters  such as  setting
         a date for hearing,  granting continuances, approving  petitions for
         filing, allowing amendments and other preliminary  rulings not
         determinative of the merits of the case, may be  made  by  the  Chairman
         or any two members of the Hearing Board  without  a  hearing or meeting
         of the Hearino Board and without notice.

(2.0)    Rule 4:17.  Official Notice;   The Hearing Board  may take official
         notice of any matter which may be judicially noticed  by  the  Courts of
         this State.
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(2.0)    Rule 4:18.  Continuances:  The Chairman or any two members of the
         Board shall grant any continuance of 15 days or less, concurred in by
         all parties, and may grant any reasonable continuance for good cause
         shown, in either case such action may be ex parte, without a
         meeting of the Hearing Board and without prior notice.

(16.0)   Rule 4:19.  Hearing and Decision;  All hearings shall be held by
         three or more members of the Hearing Board.  The decision shall be
         in writing, served and filed within 15 days after submission of the
         cause by the parties thereto and shall contain findings set forth in
         Section 24296.5 of the Health and Safety Code as required; 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 and the petitioner.
         (Amended 10/1/73)

(2.0)    Rule 4:20.  Effective Date of Decision;  The decision granting or
         extending a variance shall become effective Immediately after notice
         as provided in Rule 4:19; any other order shall become effective 30
         days after said notice unless otherwise ordered by the Hearing Board.
         (Amended 10/1/73)

(2.0)    Rule 4:21.  issuance of Subpoenas;  Subpoenas Puces Tecum:   Whenever the
         members of the Hearing Board conducting any hearing deem it necessary  to
         examine any person as a witness at such hearing, the Chairman of the
         Hearing Board shall  cause issuance of a  subpoena, in proper form, command-
         ing such person to appear before it at a time and place specified to be
         examined as a witness.  The subpoena may require such person to produce all
         books,  papers, and documents 1n his possession or under his control  material
         to such hearing.
(2.0)    Rule 4:22.  Confidential Information;  Upon the written request of the
         person making disclosure, and to the extent permitted by Government
         Code Section 6254.7, information disclosed to the District which
         constitutes a trade secret shall be confidential.   Nothing contained
         in this rule shall  limit the Control Officer's use of such information
         1n any proceedings before the Hearing Board, the Control  Board, or any
         court of competent jurisdiction.

(2.0)    Rule 4:23.  Additional Rules:   The Hearing Board shall  have the right
         to make such additional  rules,  regulating its hearings and procedures
         not inconsistent with these rules, as it may deem proper.
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