ILLINOIS POLLUTION CONTROL BOARD
    July 7,
    1995
    IN THE MATTER OF:
    )
    R95—16
    EXEMPTIONS FROM THE DEFINITION
    )
    (Identical in Substance Rules--
    OF VOM,
    U.S.
    EPA RECOMMENDED
    )
    Air)
    POLICY AMENDMENTS
    (January
    1
    )
    through June 30,
    1995)
    )
    Proposal for Public Couunent.
    PROPOSED OPINION AND ORDER OF THE BOARD
    (by G.T.
    Girard):
    This proceeding updates the definition of 35 Ill. Adm.
    Code
    211.7150 to reflect the most recent U.S. EPA exemptions of
    compounds from regulation as ozone precursors.
    This rulemaking
    is mandated by Section 9.1(e)
    of the Environmental Protection Act
    (Act)
    415
    ILCS 5/9.1(e)
    (1992)).
    That provision requires the
    Board to exempt from the definition of VOM those compounds that
    are determined by U.S. ~PA to be exempt from regulation under the
    state implementation plan for ozone in the federal Recommended
    Policy.
    Section 9.1(e) provides that Title VII of the Act and
    Section 5 of the Administrative Procedure Act (APA)
    5
    ILCS
    100/5-35 & 5-40
    (1992)
    do not apply to this proceeding.
    Because
    it is not subject to Section 5 of the APA, this rulemaking
    is not
    subject to First Notice and Second Notice review by the Joint
    Committee on Administrative Rules.
    As
    is explained below
    (infra p.
    2), the Board is acting at
    this time in response to motions for expedited consideration from
    the Agency and a member of the regulated community.
    EXPEDITED CONSIDERATION
    The Agency filed a motion for expedited consideration on
    June 30,
    1995.
    The Agency stated that it has received numerous
    inquiries as to when Illinois will “delist” acetone
    (i.e., exempt
    that material from regulation as VOM).
    U.S. EPA exempted acetone
    from the federal definition of VOM on June 16,
    1995.
    The Board received a motion for expedited consideration from
    Riverside Laboratories on June
    30,
    1995.
    That motion explained
    that Riverside has reformulated all coatings used at its Kane
    County facility to eliminate all coatings but acetone.
    Riverside
    drew attention to
    its
    presently-pending petition, docketed as PCB
    95-157,
    for a variance from certain of the VOM regulations.
    It
    stated that
    it is also presently assembling its
    CAA
    Title V
    permit application to obtain a federally-enforceable permit.
    Riverside moved for expedited consideration of the exemption of
    acetone from the definition of VOM,
    so that it may withdraw its
    petition for variance and complete its Title V permit
    application.

    2
    The Board hereby grants the motions of the Agency and
    Riverside for expedited consideration.
    We immediately act today
    to propose the amendment that would exempt acetone from the
    definition of VON.
    Board staff will submit an appropriate Notice
    of Proposed Amendments for publication in the Illinois Register,
    and schedule a public hearing as required by federal law.
    When
    the time for public comment has run, the Board will act promptly
    to adopt the exemption.
    DESCRIPTION OF PRESENT ACTION
    The present amendments respond to a single U.S. EPA
    amendment to the definition of VON.
    On June 16,
    1995, at 60 Fed.
    Reg.
    31633,
    U.S. EPA added one compound to the list of chemical
    species that are exempted from the definition of VON and,
    hence,
    are exempted from regulation for control of ozone precursors.
    The common name of that single compound is acetone.
    Alternative
    names for this compound are 2-propanone and dimethylketone.
    The primary Federal Register citation to the revision in the
    federal policy statement used in this opinion and order is as
    follows:
    60 Fed.
    Reg. 31633
    (June 16,
    1995)
    adding one compound to
    the list of those
    exempted
    The Board has incorporated the federal amendments
    of June
    16, 1995 with only minor deviation from the added federal text.
    The Board has parenthetically added the alternative names for
    acetone
    (i.e., “2-propanone” and “dimethylcetone”)
    in tne listing
    for this material.
    HISTORICAL SUMMARY EXEMPTIONS FROM THE DEFINITION OF VON
    The Board’s opinion and order of July 7,
    1995 includes full
    discussion of the history of the exemptions from the definition
    of VON.
    We do not wish to repeat that discussion here.
    However,
    we include a summary cumulative listing of Board actions relating
    to those exemptions for the convenience of the regulated
    community:
    R78—3
    &
    4 Adopted
    August 23,
    1979.
    (general rulemaking;
    RACT regulations)
    Adnpted December ~O,
    1922.
    (general rulemaking;
    RACT
    II regulations)
    R86-37
    Adopted December 22,
    1987.
    (general rulemaking;
    amendments to VOM regulations)

    3
    R89—8
    Adopted October
    18,
    1989.
    (U.S. EPA revisions of
    January
    18,
    1989)
    R91—10
    Adopted
    September
    12,
    1991.
    (U.S.
    EPA
    revisions
    of
    March
    18,
    1991)
    R91-24
    Adopted
    July
    30,
    1992.
    (extended
    exemptions
    to
    Chicago and Metro—East areas and responded to U.S.
    EPA codification ot February 3,
    1992)
    R92-6
    Dismissed April
    9,
    1992.
    (no U.S. EPA amendments
    during July
    1 through December 31,
    1991)
    R92—15
    Dismissed August 13, 1992.
    (no U.S. EPA
    amendments during January 1 through June 30,
    1992)
    R93-3
    Dismissed
    January
    21,
    1993.
    (no
    U.S.
    EPA
    amendments
    during
    July
    1
    through
    December
    31,
    1992)
    R93-21
    Dismissed
    September
    23,
    1993.
    (no
    U.S.
    EPA
    amendments
    during
    January
    1
    throuyh
    June
    30,
    1993)
    R94-3
    Dismissed
    March
    31,
    1994.
    (no
    U.S.
    EPA
    amendments
    during
    July
    1
    through
    December
    31,
    1993)
    R94-22
    Dismissed
    October
    6,
    1994.
    (no
    U.S.
    EPA
    amendments during January
    1 through June 30,
    1994)
    R95-2
    July 6,
    1995.
    (U.S. EPA amendments during July
    1
    through December 31,
    1994:
    those of October 5,
    1994)
    R95-16
    This
    docket.
    (U.S.
    EPA
    amendments
    during
    January
    1
    through
    June
    30,
    1995:
    those
    of
    June
    16,
    1995)
    PUBLIC
    COMMENTS
    The
    Board
    invites
    public
    comments
    on
    the
    proposed
    amendments.
    We
    will
    receive
    public
    comments
    until
    45
    days
    after
    a
    Notice
    of
    Proposed Amendments appears in the Illinois Register
    on
    this
    matter.
    After
    the
    45-day public comment period has
    expired,
    the
    Board will promptly proceed to adopt amendments
    based
    on
    today’s
    proposal.
    ORDER
    The Board hereby proposes the following amendments to its
    definition of “volatile organic compound” at 35 Ill.
    Adm.
    Code
    211.7150:

    4
    TITLE 35:
    ENVIRONMENTAL PROTECTION
    SUBTITLE B:
    AIR POLLUTION
    CHAPTER I:
    POLLUTION CONTROL BOARD
    SUBCHAPTER c:
    EMISSION STANDARDS AND LIMITATIONS
    FOR STATIONARY SOURCES
    PART 211
    DEFINITIONS AND GENERAL PROVISIONS
    SUBPART A:
    GENERAL PROVISIONS
    Section
    211.101
    Incorporations by Reference
    211.102
    Abbreviations and Units
    SUBPART B:
    DEFINITIONS
    Section
    211.121
    Other Definitions
    211.122
    Definitions
    (Repealed)
    211. 130
    Accelacota.
    211.150
    Accumulator
    211.170
    Acid Gases
    211.210
    Actual Heat Input
    211.230
    Adhesive
    211.250
    Aeration
    211.270
    Aerosol Can Filling Line
    211.290
    Afterburner
    211.310
    Air Contaminant
    211.330
    Air Dried Coatings
    211.350
    Air Oxidation Process
    211.370
    Air Pollutant
    211.390
    Air Pollution
    211.410
    Air Pollution Control Equipment
    211.430
    Air Suspension Coater/Dryer
    211.450
    Airless Spray
    211.470
    Air Assisted Airless Spray
    211.490
    Annual Grain Through-Put
    211.510
    Application Area
    211.530
    Architectural Coating
    211.550
    As Applied
    211.570
    Asphalt
    211.590
    Asphalt Prime Coat
    211
    610
    Automobile
    211.630
    Automobile
    or Light-Duty Truck Assembly Source or
    Automobile
    or Light-Duty Truck Manufacturing Plant
    211.650
    Automobile or Light-Duty Truck Refinishing
    211.670
    Baked Coatings
    211.690
    Batch Loading
    211.710
    Bead-Dipping
    211.730
    Binders
    211.750
    British Thermal Unit
    211.770
    Brush or Wipe Coating
    211.790
    Bulk Gasoline Plant

    5
    211. 810
    211. 830
    211.850
    211.870
    211.890
    211. 910
    211. 930
    211.950
    211.970
    211.990
    211. 1010
    211. 1050
    211. 1070
    211. 1090
    211. 1110
    211. 1130
    211. 1150
    211.1170
    211.1190
    211.1210
    211. 1230
    211. 1250
    211.1270
    211.1290
    211.1310
    211.1330
    211.1350
    211.1370
    211.1390
    211.1410
    211.1430
    211.1470
    211.1490
    211. 1510
    211.1530
    211.1550
    211.1570
    211.1590
    211.1610
    211.1630
    211.1650
    211. 1670
    211.1690
    211.1710
    211.1730
    211. 1750
    211. 1770
    211. 1790
    211. 1810
    211. 1830
    211. 1850
    211. 1870
    Bulk Gasoline Terminal
    Can
    Can Coating
    Can Coating Line
    Capture
    Capture Device
    Capture Efficiency
    Capture System
    Certified Investigation
    Choke Loading
    Clean Air Act
    Cleaning and Separating Operation
    Cleaning Materials
    Clear Coating
    Clear Topcoat
    Closed Purge System
    Closed Vent System
    Coal Refuse
    Coating
    Coating Applicator
    Coating Line
    coatiny
    PlanL
    Coil Coating
    Coil Coating Line
    Cold Cleaning
    Complete Combustion
    Component
    Concrete Curing Compounds
    Concentrated Nitric Acid Manufacturing Process
    Condensate
    Condensible PM-b
    continuous Process
    Control Device
    Control Device Efficiency
    Conventional Soybean Crushing Source
    Conveyorized Degreasing
    Crude Oil
    Crude Oil Gathering
    Crushing
    Custody Transfer
    Cutback Asphalt
    Daily-Weighted Average VON Content
    Day
    Degreaser
    Delivery vessel
    Dip Coating
    Distillate Fuel Oil
    Drum
    Dry Cleaning Operation or Dry Cleaning Facility
    Dump-Pit Area
    Effective Grate Area
    Effluent Water Separator

    6
    211.1890
    211.1910
    211.1930
    211.1950
    211.1970
    211.1990
    211.2010
    211.2030
    211.2050
    211.2070
    211.2090
    211..2110
    211.2130
    211.2150
    211.2170
    211.2190
    211.2210
    211.2230
    211.2250
    211.2270
    211.2300
    211.2310
    211.2330
    211.2350
    211.2370
    211.2390
    211.2410
    211.2430
    211.2450
    211.2470
    211.2490
    211.2510
    211.2530
    211.2550
    211.2570
    211.2590
    211.2610
    211.2650
    211.2670
    211.2690
    211.2710
    211.2730
    211.2750
    211.2770
    211.2790
    211.2810
    211.2830
    211.2850
    211.2870
    211.2890
    Electrostatic Bell or Disc Spray
    Electrostatic
    Spray
    Emission Rate
    Emission Unit
    Enamel
    Enclose
    End Sealing Compound Coat
    Enhanced Under-the-Cup Fill
    Ethanol Blend Gasoline
    Excess Air
    Excessive Release
    Existing Grain-Drying Operation
    Existing Grain-Handling Operation
    Exterior Base Coat
    Exterior End Coat
    External Floating Roof
    Extreme Performance Coating
    Fabric Coating
    Fabric Coating Line
    Federally Enforceable Limitations and Conditions
    Fill
    Final Repair Coat
    Firebox
    Fixed—Roof Tank
    Flexographic Printing
    Flexographic Printing Line
    Floating Roof
    Fountain Solution
    Freeboard Height
    Fuel Combustion Emission Unit or Fuel Combustion
    Emission Source
    Fugitive Particulate Matter
    Full Operating Flowrate
    Gas Service
    Gas/Gas Method
    Gasoline
    Gasoline Dispensing Operation or Gasoline Dispensing
    Facility
    Gel Coat
    Grain
    Grain-Drying Operation
    Grain-Handling and Conditioning Operation
    Grain-Handling Operation
    Green-Tire Spraying
    Green Tires
    Gross Heating Value
    Gross Vehicle Weight Rating
    Heated Airless Spray
    Heatset
    Heatset-Web-Offset Lithographic Printing Line
    Heavy Liquid
    Heavy Metals

    7
    211. 2910
    211.2930
    211.2950
    211.2970
    211.2990
    211. 3010
    211.3030
    211.3050
    211.3070
    211.3090
    211.3110
    211. 3130
    211. 3150
    211.3170
    211.3190
    211. 3210
    211.3230
    211.3250
    211.3270
    211.3290
    211. 3310
    211.3330
    211.3350
    211.3370
    211.3390
    211.3410
    211.3430
    211.3450
    211.3470
    211.3490
    211.3510
    211.3530
    211.3550
    211.3570
    211.3590
    211.3610
    211.3630
    211.3650
    211.3670
    211.3690
    211.3695
    211.3710
    211.3730
    211. 3750
    211. 3770
    211.3790
    211. 3810
    211.3830
    211.3850
    211.3870
    211.3890
    211.3910
    Heavy Off-Highway Vehicle Products
    Heavy Off-Highway Vehicle Products Coating
    Heavy Off-Highway Vehicle Products Coating Line
    High Temperature Aluminum Coating
    High Volume
    Low Pressure
    (HVLP)
    Spray
    Hood
    Hot Well
    Housekeeping Practices
    Incinerator
    Indirect Heat Transfer
    Ink
    In—Process
    Tank
    In-Situ Sampling Systems
    Interior Body Spray Coat
    Internal-Floating Roof
    Internal Transferring Area
    Lacquers
    Large Appliance
    Large Appliance coating
    Large Appliance Coating Line
    Light Liquid
    Light-Duty Truck
    Light Oil
    Liquid/Gas Method
    Liquid-Mounted Seal
    Liquid Service
    Liquids Dripping
    Lithographic Printing
    Line
    Load-Out Area
    Low Solvent Coating
    Magnet Wire
    Magnet Wire Coating
    Magnet Wire Coating Line
    Major Dump Pit
    Major Metropolitan Area
    (141(A)
    Major Population Area
    (MPA)
    Manufacturing Process
    Marine Terminal
    Material
    Recovery
    Section
    Maximum Theoretical Emissions
    Maximum True Vapor Pressure
    Metal Furniture
    Metal Furniture Coating
    Metal Furniture Coating Line
    Metallic Shoe-Type
    Seal
    Miscellaneous
    Fabricated Product Manufacturing Process
    Miscellaneous
    Formulation Manufacturing Process
    Miscellaneous Metal Parts and Products
    Miscellaneous Metal Parts and Products Coating
    Miscellaneous Metal Parts or Products Coating Line
    Miscellaneous Organic Chemical Manufacturing Process
    Mixing Operation

    8
    Monitor
    Monomer
    Multiple Package Coating
    New Grain-Drying Operation
    New Grain-Handling Operation
    No Detectable Volatile Organic Material Emissions
    Non-contact Process Water Cooling Tower
    Offset
    One Hundred Percent Acid
    One-Turn Storage Space
    Opacity
    Opaque Stains
    Open Top Vapor Degreasing
    Open-Ended Valve
    Operator of a Gasoline Dispensing Operation or Operator
    of a Gasoline Dispensing Facility
    Organic Compound
    Organic Material and Organic Materials
    Organic Vapor
    Oven
    Overall Control
    Overvarnish
    Owner of
    a Gasoline Dispensing Operation or Owner of a
    Gasoline Dispensing Facility
    Owner or Operator
    Packaging Rotogravure Printing
    Packaging Rotogravure Printing Line
    Pail
    Paint Manufacturing Source or Paint Manufacturing Plant
    Paper Coating
    Paper Coating Line
    Particulate Halter
    Parts Per Million (Volume)
    or PPM (Vol)
    Person
    Petroleum
    Petroleum Liquid
    Petroleum Refinery
    Pharmaceutical
    Pharmaceutical Coating Operation
    Photochemically Reactive Material
    Pigmented Coatings
    Plant
    Plasticizers
    PM—b
    Pneumatic Rubber Tire Manufacture
    Polybasic Organic Acid Partial Oxidation Manufacturing
    Process
    Polyester Resin Material(s)
    Polyester Resin Products Manufacturing Process
    Polystyrene Plant
    Polystyrene Resin
    Portable Grain-Handling Equipment
    211.3930
    211. 3950
    211.3970
    211.3990
    211. 4010
    211.4030
    211.4050
    211.4070
    211.4090
    211. 4110
    211. 4130
    211. 4150
    211. 4170
    211. 4190
    211. 4210
    211.4230
    211.4250
    211.4270
    211.4290
    211.4310
    211.4330
    211.4350
    211.4370
    211.4390
    211.4410
    211.4430
    211.4450
    211.4470
    211.4490
    211.4510
    211.4530
    211.4550
    211.4590
    211.4610
    211.4630
    211.4650
    211.4670
    211.4690
    211.4710
    211.4730
    211.4750
    211.4770
    211.4790
    211.4810
    211.4q30
    211.4850
    211.4870
    211.4890
    211.4910

    9
    211.4930
    211.4950
    211.4970
    211.4990
    211.5030
    211.5050
    211.5070
    211.5090
    211. 5110
    211.5130
    211.5150
    211.5170
    211.5185
    211.5190
    211.5210
    211.5230
    211.5250
    211.5270
    211.5310
    211.5330
    211.5350
    211.5370
    211.5390
    211.5410
    211.5430
    211.5450
    211.5470
    211.5490
    211.5500
    211.5510
    211.5530
    211.5550
    211.5570
    211.5590
    211.5610
    211.5630
    211.5650
    211.5670
    211.5690
    211.5710
    211.5730
    211.5750
    211.5770
    211.5790
    211.5810
    211.5830
    211.5850
    211.5870
    211.5890
    211.5910
    211.5930
    Portland Cement Manufacturing Process Emission Source
    Portland Cement Process or Portland Cement
    Manufacturing Plant
    Potential
    to Emit
    Power Driven Fastener Coating
    Pressure Release
    Pressure Tank
    Prime Coat
    Primer Surfacer Coat
    Primer Surfacer Operation
    Primers
    Printing
    Printing Line
    Process Emission Source
    Process Emission Unit
    Process Unit
    Process Unit Shutdown
    Process Weight Rate
    Production Equipment Exhaust System
    Publication Rotogravure Printing Line
    Purged Process Fluid
    Reactor
    Reasonably Available Control Technology
    (RACT)
    Reclamation System
    Refiner
    Refinery Fuel Gas
    Refinery Fuel Gas System
    Refinery Unit or Refinery Process Unit
    Refrigerated Condenser
    Regulated Air Pollutant
    Reid Vapor Pressure
    Repair
    Repair Coat
    Repaired
    Residual Fuel Oil
    Restricted Area
    Retail Outlet
    Ringelmann Chart
    Roadway
    Roll Coater
    Roll Coating
    Roll Printer
    Roll Printing
    Rotogravure Printing
    Rotogravure Printing Line
    Safety Relief Valve
    Sandblasting
    Sanding SQaler~
    Screening
    Sealer
    Semi-Transparent Stains
    Sensor

    10
    211.5950
    211.5970
    211.5990
    211.6010
    211.6030
    211.6050
    211.6070
    211.6090
    211.6110
    211.6130
    211.6150
    211.6170
    211.6190
    211.6210
    211.6230
    211. 6250
    211. 6270
    211. 6290
    211. 6310
    211.6330
    211. 6350
    211. 6370
    211.6390
    211. 6410
    211. 6430
    211. 6450
    211. 6470
    211.6490
    211.6510
    211.6530
    211.6550
    211.6570
    211.6590
    211. 6610
    211.6630
    211. 6650
    211.6670
    211.6690
    211.6710
    211.6730
    211.6750
    211.6770
    211.6790
    211.6810
    211.6830
    211.6850
    211.6870
    211.6890
    211.6910
    211.6930
    211.6950
    Set of Safety Relief Valves
    Sheet Basecoat
    Shotbiasting
    Side—Seam Spray Coat
    Smoke
    Smokeless Flare
    Solvent
    Solvent Cleaning
    Solvent Recovery System
    Source
    Specialty High Gloss Catalyzed Coating
    Specialty Leather
    Specialty Soybean Crushing Source
    Splash Loading
    Stack
    Stain Coating
    Standard Conditions
    Standard Cubic Foot
    (scf)
    Start-Up
    Stationary Emission Source
    Stationary Emission Unit
    Stationary
    Source
    Stationary Storage Tank
    Storage Tank or Storage Vessel
    Styrene Devolatilizer Unit
    Styrene Recovery Unit
    Submerged Loading Pipe
    Substrate
    Sulfuric Acid Mist
    Surface Condenser
    Synthetic Organic Chemical or Polymer Manufacturing
    Plant
    Tablet Coating Operation
    Thirty-Day Rolling Average
    Three—Piece Can
    Through-the-Valve Fill
    Tooling Resin
    Topcoat
    Topcoat Operation
    Touch-Up
    Transfer Efficiency
    Tread End Cementing
    True Vapor Pressure
    Turnaround
    Two—Piece Can
    Under-the-Cup
    Fill
    Undertread Cementing
    UnregulatQcl SafQty Rolief Valve
    Vacuum Producing System
    Vacuum Service
    Valves Not Externally Regulated
    Vapor Balance System

    11
    211.6970
    211.6990
    211.7010
    211.7030
    211.7050
    211.7070
    211.7090
    211.7110
    211.7130
    211.7150
    211.7170
    211.7190
    211.7210
    211.7230
    211.7250
    211.7270
    211.7290
    211.7310
    211.7330
    211.7350
    Vapor Collection System
    Vapor Control System
    Vapor-Mounted Primary Seal
    Vapor Recovery System
    Vapor—Suppressed Polyester Resin
    Vinyl Coating
    Vinyl Coating Line
    Volatile Organic Liquid (VOL)
    Volatile Organic Material Content (VOMC)
    Volatile Organic Material
    (VOM)
    or Volatile Organic
    Compound
    (VOC)
    Volatile Petroleum Liquid
    Wash Coat
    Wastewater
    (Oil/Water)
    Separator
    Weak Nitric Acid Manufacturing Process
    Web
    Wholesale Purchase
    Consumer
    Wood Furniture
    Wood Furniture Coating
    Wood Furniture Coating Line
    Woodworking
    211.Appendix A Rule into Section Table
    211.Appendix B Section into Rule Table
    AUTHORITY:
    Implementing Sections
    9,
    9.1 and 10 and authorized by
    Section 27 and 28.5
    of the Environmental Protection Act 415
    ILCS
    5/9,
    9.1,
    10,
    27 and 28.5.
    SOURCE:
    Adopted as Chapter
    2:
    Air Pollution, Rule 201:
    Definitions, R71-23,
    4 PCB 191,
    filed and effective April
    14,
    1972; amended
    in
    R74—2 and R75—5,
    32 PCB 295, at
    3 Ill.
    Reg.
    5,
    p.
    777, effective February 3,
    1979; amended in R78-3 and 4,
    35
    PCB 75 and 243,
    at
    3
    Ill.
    Reg.
    30,
    p.
    124,
    effective July 28,
    1979;
    amended in R80—5,
    at
    7
    Ill. Reg.
    1244,
    effective January
    21,
    1983; codified at
    7
    Ill.
    Reg.
    13590; amended
    in R82-l
    (Docket
    A)
    at 10
    Ill.
    Reg.
    12624,
    effective July 7,
    1986; amended in R85—
    21(A)
    at 11 Ill.
    Reg.
    11747, effective June 29,
    1987; amended in
    R86—34 at 11 Ill. Reg.
    12267,
    effective July
    10,
    1987;
    amended in
    R86—39 at 11 Ill. Reg.
    20804,
    effective December
    14,
    1987;
    amended in R82—14 and R86-37
    at
    12 Ill.
    Peg.
    787, effective
    December
    24,
    1987;
    amended
    in R86—l8
    at
    12 Ill. Reg.
    7284,
    effective April
    8,
    1988; amended in P86—10 at
    12 Ill. Reg.
    7621,
    effective April
    11,
    1988; amended in R88—23 at 13 Ill. Reg.
    10862,
    effective June 27,
    1989;
    amended in R89-8 at
    13 Ill. Reg.
    17457, effective January
    1,
    1990; amended in R89—16(A)
    at
    14
    Ill.
    Reg.
    9141, effective May 23,
    1990; amended in R88-30(B) at 15
    Ill. Peg.
    5223,
    effectivn March
    28,
    1991;
    amended
    in P88—14
    at
    15
    Ill. Reg.
    7901,
    effective May 14,
    1991; amended
    in R91—10 at
    15
    Ill. Reg.
    15564,
    effective October 11,
    1991;
    amended
    in R91—6 at
    15
    Ill.
    Reg.
    15673,
    effective October 14,
    1991; amended
    in R91—22
    at
    16 Ill.
    Reg.
    7656,
    effective May
    1,
    1992;
    amended
    in R91—24
    at

    12
    16 Ill.
    Reg.
    13526,
    effective August
    24,
    1992; amended in R93—9
    at 17 111. Reg.
    16504, effective September 27,
    1993; amended in
    R93—11 at 17 Ill. Reg.
    21471, effective December
    7,
    1993;
    amended
    in R93—14 at 18 Ill.
    Req.
    1253,
    effective January 18,
    1994;
    amended in R94-12 at
    18 Ill. Req.
    14962,
    effective September 21,
    1994; amended in R94-14 at 18 Ill.
    Reg.
    15744, effective October
    17,
    1994; amended in R94-15 at 18 Ill.
    Reg.
    16379, effective
    October 25,
    1994; amended in R94—16 at 18 Ill. Reg.
    16929,
    effective November
    15,
    1994; amended in R95-2
    at
    19 Ill.
    Reg.
    ________,
    effective
    ; amended in R95-l6 at
    19 Ill. Rep.
    effective
    SUBPART B:
    DEFINITIONS
    Section 211.7150
    Volatile Organic Material
    (VOM)
    or Volatile
    Organic Compound
    (VOC)
    “Volatile organic material
    (VOM)” or “volatile organic compound
    (VOC)” means any compound of carbon,
    excluding carbon monoxide,
    carbon dioxide, carbonic acid, metallic carbides or carbonates,
    and ammonium carbonate, which participates
    in atmospheric
    photochemical reactions.
    a)
    This includes any such organic compound other than the
    following, which have been determined to have
    negligible photochemica.
    reactivity:
    methane; ethane;
    methylene chloride (dichloromethane),
    1,1,l-trichloro-
    ethane (methyl chloroform);
    1,1, l-trichloro-2
    ,
    2,2—tn-
    fluoroethane (CFC-ll3); tnichlorofluoromethane (CFC-
    11); dichlorodifluoromethane (CFC-12);
    chlorodifluoro-
    methane
    (CFC-22); tnitluoromethane (Pc—fl);
    1,2-di—
    chloro-1, 1,2, 2-tetrafluoroethane
    (CFC-114);
    chloro—
    pentafluoroethane
    (CFC—l15);
    1,1,1—trifluoro—2,2—di-
    chloroethane
    (HCFC-123);
    1,1,1,2-tetrafluoroethane
    (HFC-134a);
    1, 1-dichloro-1—fluoroethane
    (HCFC-l4lb);
    1—chloro-1,1-difluoroethane (HCFC-142b); 2—chloro—
    1,1,1,2—tetrafluoroethane (HCFC-124); pentafluoroethane
    (HFC-l25);
    1,1,2,2—tetrafluoroethane
    (HFC-134);
    1,1,1-trifluoroethane
    (HFC—143a); l,l-difluoroethane
    (HFC-152a); parachlorobenzotrifluoride
    (PCBTF); cyclic,
    branched,
    or linear completely—methylated siloxanes;
    acetone
    (2—propanone or dimethylcetone)’;
    and perfluoro—
    carbon compounds which fall into these classes:
    1)
    Cyclic,
    branched,
    or linear, completely
    fluorinated alkanes;
    2)
    Cyclic,
    branched,
    or linear,
    completely
    fluorinated ethers with no unsaturations;
    3)
    cyclic,
    branched,
    or linear, completely

    13
    fluorinated tertiary amines with no unsaturations;
    and
    4)
    Sulfur—containing perfluorocarbons with no
    unsaturations and with sulfur bonds only to carbon
    and fluorine.
    b)
    For purposes of determining VOM emissions and
    compliance with emissions limits, VON will be measured
    by the test methods in the approved implementation plan
    or 40 CFR Part 60, Appendix A,
    incorporated by
    reference at 35 Ill. Adm.
    Code 215.105, 218.112, and
    219.112,
    as applicable,
    or by source-specific test
    methods that have been established pursuant to a permit
    issued pursuant to a program approved or promulgated
    under Title V of the Clean Air Act; under 40 CFR Part
    51, Subpart
    I or Appendix 5,
    incorporated by reference
    at 35 Ill.
    Adm. Code 218.112 and 219.112; or under 40
    CFR Part 52.21,
    incorporated by reference at 35 Ill.
    Adm. Code 218.112 and 219.112,
    as applicable.
    Where
    such a method also measures compounds with negligible
    photochemical
    reactivity, these
    negligibly—reactive
    compounds may be excluded as VON if the amount of such
    compounds is accurately quantified and the exclusion is
    approved by the Agency.
    c)
    As
    a precondition to excluding these negligibly-
    reactive compounds as VON,
    or at any time thereafter,
    the Agency may require an owner or operator to provide
    monitoring or testing methods and results
    demonstrating, to the satisfaction of the Agency, the
    amount ot negligibly—reactive compounds in the source’s
    emissions.
    d)
    The USEPA shall
    not
    be bound by any State determination
    as to appropriate methods for testing or monitoring
    negligibly-reactive compounds if such determination is
    not reflected in any of the test methods in subsection
    (b) above.
    (Source:
    Amended at
    19 Ill. Reg.
    effective
    IT IS SO ORDERED.

    14
    I,
    Dorothy M. Gunn,
    Clerk of the Illinois Pollution Control
    Board, certify that the~.aboveprop~
    and order was
    adopted on the
    ___________
    day of
    1995, by a
    vote of
    7~O
    ~
    Dorothy M. Gu~, Clerk
    Illinois Pol(X tion Control Board

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