PLAAPCD RULE 240 SOLVENT CLEANING AND DEGREASING LAST REVISED 06/08/95 RULE 240 SURFACE CLEANING AND DEGREASING Adopted 06-08-95 CONTENTS 100 GENERAL 101 PURPOSE 102 APPLICABILITY 103 EXEMPTION, SOLVENT CLEANING OPERATIONS 104 EXEMPTION, WIPE CLEANING OPERATIONS 105 EXEMPTION, AEROSOL PRODUCTS 106 EXEMPTION RECORDKEEPING AND REPORTING FOR A STATIONARY SOURCE WITH DE MINIMIS EMISSIONS 200 DEFINITIONS 201 AEROSOL PRODUCT 202 APPLICATION LINE 203 APPURTENANCES 204 ARCHITECTURAL COATINGS 205 CLOSED 206 CURED COATINGS, CURED INKS, AND CURED ADHESIVES 207 ELECTRONIC ASSEMBLY 208 EMISSIONS CONTROL DEVICE 209 ENCLOSED GUN CLEANER 210 EXEMPT COMPOUNDS 211 FACILITY 212 FLEXOGRAPHIC PRINTING 213 GRAPHIC ARTS OPERATIONS 214 GRAVURE PRINTING 215 JANITORIAL CLEANING 216 LETTERPRESS PRINTING 217 LITHOGRAPHIC PRINTING 218 LIQUID LEAK 219 MAINTENANCE CLEANING 220 MANUFACTURING PROCESS 221 NON-ABSORBENT CONTAINERS 222 NON-ATOMIZED SOLVENT FLOW 223 PERSON 224 PRINTING 225 REPAIR CLEANING 226 REPAIR PROCESS 227 SCREEN PRINTING 228 SOLVENT 229 SOLVENT CLEANING OPERATION 230 SOLVENT CONTAINER 231 SOLVENT FLUSHING 232 STATIONARY SOURCE 233 STRIPPING 234 SUBSTRATE 235 SURFACE PREPARATION 236 ULTRAVIOLET INKS 237 VOLATILE ORGANIC COMPOUND (VOC) 238 WIPE CLEANING 300 STANDARDS 301 SOLVENT REQUIREMENTS 302 CLEANING DEVICES AND METHODS REQUIREMENTS 303 EMISSIONS CONTROL DEVICE REQUIREMENTS 304 STORAGE AND DISPOSAL 400 ADMINISTRATIVE 401 OPERATING AND MAINTENANCE PLAN 402 PROCEDURE FOR PROCESSING OPERATION AND MAINTENANCE PLAN 403 COMPLIANCE SCHEDULE 404 CALCULATION FOR VOC MASS EMISSION RATE AND PERCENT CONTROL EFFICIENCY 405 CALCULATION FOR DETERMINATION OF VOC CONTENT PER VOLUME OF MATERIAL 406 CALCULATION FOR VOC COMPOSITE PARTIAL PRESSURE 407 VIOLATIONS 500 MONITORING AND RECORDS 501 USAGE RECORDS 502 TEST METHODS 503 DURATION OF RECORDS100 GENERAL 101 PURPOSE: The purpose of this rule is to reduce emissions of volatile organic compounds (VOC) from solvent cleaning operations, and from the storage and disposal of these materials used in solvent cleaning operations. 102 APPLICABILITY: This rule applies to all persons who engage in the production, repair, maintenance, or servicing of parts, products, tools, machinery, or equipment, and storage and disposal of VOC-containing materials used in solvent cleaning operations, for operations subject to the following District rules: Rule 218, ARCHITECTURAL COATINGS Rule 238, FACTORY COATING OF FLAT WOOD PANELING Rule 239, GRAPHIC ARTS OPERATIONS Rule 227, PETROLEUM DRY CLEANING OPERATIONS Rule 236, WOOD PRODUCTS COATING OPERATIONS 103 EXEMPTION, SOLVENT CLEANING OPERATIONS: The following solvent cleaning operations are not subject to any provision of this rule: 103.1 Cleaning carried out in batch-loaded cold cleaners, remote reservoirs, open-top vapor degreasers, conveyorized degreasers, or film cleaning machines that are regulated under Rule 216, Organic Solvent Cleaning and Degreasing Operations 103.2 Cleaning operations subject to Rule 227, Petroleum Dry Cleaning Operations. 103.3 Janitorial cleaning. 103.4 Rule 223, METAL CAN COATING 103.5 Rule 244, SEMICONDUCTOR MANUFACTURING OPERATIONS 103.6 Rule 235, ADHESIVES 104 EXEMPTION, WIPE CLEANING OPERATIONS: Wipe cleaning is not subject to the provisions of Section 301 when carried out for any of the following applications: 104.1 Cleaning of solar cells, laser hardware, and high-precision optics. 104.2 Cleaning for: conducting performance laboratory tests on coatings, adhesives, or inks; research and development programs; and laboratory tests in quality assurance laboratories. 104.3 Cleaning of polycarbonate plastics. 105 EXEMPTION, AEROSOL PRODUCTS: Usage of 160 fluid ounces or less per day per facility of aerosol products nor cleaning is exempt from Section 301 and Section 302. 106 EXEMPTION RECORDKEEPING AND REPORTING FOR A STATIONARY SOURCE WITH DE MINIMIS EMISSIONS: The recordkeeping and reporting provisions in Section 500 shall not apply to a stationary source with de minimis emissions or operations as specified in section 106.1a or 106.1b below: 106.1 In every 12-month period, at least 90 percent of the stationary source's VOC emissions are associated with an operation for which the throughput is less than or equal to the quantities specified in subsections (a) or (b) below: a. 1,400 gallons of any combination of solvent-containing materials but no more than 550 gallons of any one solvent-containing material, provided that the materials do not contain the following: methyl chloroform (1,1,1 trichloroethane), methylene chloride (dichloromethane), tetrachloroethylene (perchloroethylene), or trichloroethylene; b. 750 gallons of any combination of solvent-containing materials where the materials contain the following: methyl chloroform (1,1,1-trichloroethane), methylene chloride (dichloromethane), tetrachloroethylene (perchloroethylene), or trichloroethylene, but not more than 300 gallons of any one solvent containing material; Within 30 days of a written request by the District or the U.S. EPA, the owner or operator of a stationary source not maintaining records pursuant to Section 500 shall demonstrate that the stationary source's emissions or throughput are not in excess of the applicable quantities set forth in section 106.1. 200 DEFINITIONS 201 AEROSOL PRODUCT: A hand-held, nonrefillable container which expels pressurized product ingredients by means of a propellant-induced force. 202 APPLICATION LINE: That portion of a motor vehicle assembly production line which applies surface and other coatings to motor vehicle bodies, hoods, fenders, cargo boxes, doors, and grill opening panels. 203 APPURTENANCES: Accessories to a stationary structure, including, but not limited to: hand railings, cabinets, bathroom and kitchen fixtures, fences, rain-gutters and downspouts, window screens, lampposts, heating and air conditioning equipment, other mechanical equipment, large fixed stationary tools and concrete forms. 204 ARCHITECTURAL COATINGS: Any coatings applied to stationary structures and their appurtenances, to motive homes, to pavements, or to curbs. 205 CLOSED: No visible gaps. 206 CURED COATINGS, CURED INKS, AND CURED ADHESIVES: Coatings, inks, and adhesives that are dry to the touch. 207 ELECTRONIC ASSEMBLY: All portions of an assembly, including circuit card assemblies, printed wire assemblies, printing wiring boards, soldered joints, ground wires, bus bars, and other electrical fixtures, except the actual cabinet in which the assembly is housed. 208 EMISSIONS CONTROL DEVICE: Equipment such as an incinerator or adsorbed used to prevent air pollutants from reaching the ambient air. 209 ENCLOSED GUN CLEANER: 209.1 A device used for the cleaning of spray guns, pots and hoses, which has an enclosed solvent container, is not open to the ambient air when in use, and has a mechanism to force the cleanup material through the gun while the cleaner is in operation; or 209.2 A device used for the cleaning of spray guns, pots and hoses, which has an enclosed solvent container, uses non-atomized solvent flow to flush the spray equipment and collects and returns the discharged solvent to the enclosed container. 210 EXEMPT ORGANIC COMPOUNDS: For the purposes of this rule, exempt compounds are the following: 210.1 Methane 210.2 Carbon dioxide 210.3 Carbon monoxide 210.4 Carbonic acid 210.5 Metallic carbides or carbonates 210.6 Ammonium carbonate 210.7 1,1,1-trichloroethane 210.8 Methylene chloride 210.9 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123) 210.10 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124) 210.11 Trichlorofluoromethane (CFC-11) 210.12 Dichlorodifluoromethane (CFC-12) 210.13 1,1,1-trichloro-2,2,2-trifluoroethane (CFC-113) 210.14 1-chloro-1,1-difluoro-2-chloro-2,2-difluoroethane (CFC-114) 210.15 Chloropentafluoroethane (CFC-115) 210.16 Pentafluoroethane (HFC-125) 210.17 1,1,2,2-tetrafluoroethane (HFC-134) 210.18 Tetrafluoroethane (HFC-134a) 210.19 1,1-dichloro-1-fluoroethane (HCFC-141b) 210.20 1-chloro-1,1-difluoroethane (HCFC-142b) 210.21 1,1,1-trifluoroethane (HFC-143a) 210.22 Chlorodifluoromethane (HCFC-22) 210.23 Trifluoromethane (HFC-23) 210.24 Difluoroethane (HFC-152a) 210.25 The following four classes of perfluorocarbon compounds: a. Cyclic, branched, or linear, completely fluorinated alkanes. b. Cyclic, branched, or linear, completely fluorinated ethers with no unsaturations. c. Cyclic, branched, or linear, completely fluorinated tertiary amines with no unsaturations. d. Sulfur-containing perfluorocarbons with no unsaturations and with sulfur bonds only to carbon and fluorine. Perfluorocarbon compounds will be assumed to be absent from a product or process unless a manufacturer or facility operator identifies the specific individual compounds (from the broad classes of perfluorocarbon compounds) and the amounts present in the product or process and provides a validated test method which can be used to quantify the specific compounds. 211 FACILITY: A business or businesses engaged in solvent cleaning operations which are owned or operated by the same person or persons and are located on the same or contiguous parcels. 212 FLEXOGRAPHIC PRINTING: A printing operation in which words, designs, or pictures are applied to a substrate by means of a roll printing technique in which a raised pattern is applied to an image carrier made of rubber or other elastomeric materials mounted on a steel matting cylinder. The image is then printed directly from the raised pattern to the substrate. 213 GRAPHIC ARTS OPERATIONS: Publication gravure, packaging gravure, web-feed wallpaper screen printing, specialty gravurer flexographic printing operations, lithographic printing operations, letter press printing operations, or any coating or laminating operation that manufactures flexible packaging material for the packaging industry. Coating operations which are performed by a machine having only coating units and no printing units are not graphic arts operations. 214 GRAVURE PRINTING: An intaglio printing operation in which the ink is transferred from minute etched wells that comprise the image on a plate to the substrate supported by an impression roller, with excess ink removed from the plate by a doctor blade. 215 JANITORIAL CLEANING: The cleaning of building or facility components, such as the floor, ceiling, walls, windows, doors, stairs, bathrooms, etc. 216 LETTERPRESS PRINTING: A printing operation in which the image area is raised relative to the non image area and the ink is transferred to the paper directly from the image surface. 217 LITHOGRAPHIC PRINTING: A printing operation in which the image and non image areas exist in the same plane. The non image area is treated chemically so that only the image areas will be printed onto the substrate. 218 LIQUID LEAK: The visible liquid solvent leak from the container at a rate of more than three (3) drops per minute, or a visible liquid mist. 219 MAINTENANCE CLEANING: A solvent cleaning operation carried out to keep parts product, tools, machinery or equipment in clean and good operational condition. 220 MANUFACTURING PROCESS: The process of making goods or articles by hand or by machinery. 221 NON-ABSORBENT CONTAINERS: Containers made of nonporous material which do not allow the migration of the liquid solvent through them. 222 NON-ATOMIZED SOLVENT FLOW: Solvent in the form of a liquid stream without atomization. 223 PERSON: Any firm, business establishment, association, partnership, corporation or individual, whether acting as principal, agent, employee, or any other capacity including any governmental entity or charitable organization. 224 PRINTING: Any graphic arts operation that imparts color, design, alphabet, or numerals on a substrate. 225 REPAIR CLEANING: A solvent-cleaning operation carried out during a repair process. 226 REPAIR PROCESS: The process of returning a damaged object or an object not operating properly to good condition. 227 SCREEN PRINTING: A printing operation in which the printing ink passes through a refined form of stencil to a web or fabric. The stencil openings determine the form and dimension of the imprint. 228 SOLVENT: A VOC-containing liquid used to perform solvent cleaning operations. 229 SOLVENT CLEANING OPERATION: The removal of loosely held uncured adhesives, uncured inks, uncured coatings, and contaminants which include, but are not limited to/ dirt, soil, and grease from parts, products, tools, machinery, and equipment. Each distinct method of cleaning in a cleaning process which consists of a series of cleaning methods shall constitute a separate solvent cleaning operation. 230 SOLVENT CONTAINER: That part of a cleaning device that holds the solvent. 231 SOLVENT FLUSHING: The use of a solvent to remove uncured adhesives, uncured inks, uncured coatings, or contaminants from the internal surfaces and passages of the equipment by flushing solvent through the equipment. 232 STATIONARY SOURCE: Any building, structure, facility, or emissions unit which emits or may emit any affected pollutant directly or as a fugitive emission. 232.1 Building, structure, facility, or emissions unit includes all pollutant emitting activities which: a. belong to the same industrial grouping, and; b. are located on one property or on two or more contiguous properties, and; c. are under the same or common ownership, operation, or control or which are owned or operated by entities which are under common control. 232.2 Pollutant emitting activities shall be considered as part of the same industrial grouping if: a. they belong to the same two-digit standard industrial classification code, or; b. they are part of a common production process. Common production process includes industrial processes, manufacturing processes and any connected processes involving a common material. 232.3 The emissions within District boundaries of cargo carriers associated with the stationary source shall be considered emissions from the stationary source to the extent that emission reductions from cargo carriers are proposed as offsets. 233 STRIPPING: The removal of cured coatings, cured inks, and cured adhesives. 234 SUBSTRATE: The material upon which another material is coated or fabricated. 235 SURFACE PREPARATION: The removal of contaminants such as dust, soil, oil, or grease, before coating, adhesive, or ink applications. 236 ULTRAVIOLET INKS: Inks which dry by polymerization reaction induced by ultraviolet energy. 237 VOLATILE ORGANIC COMPOUNDS (VOC): Compounds containing at least one atom of carbon, except for the exempt compounds listed in Section 210. 238 WIPE CLEANING: The method of cleaning a surface by physically rubbing it with a material such as a rag, paper, or a cotton swab moistened with a solvent. 300 STANDARDS: Effective January 1, 1996, the following standards shall apply to any person or stationary source subject to this rule: 301 SOLVENT REQUIREMENTS: A person shall use a solvent to perform cleaning operations, including the use of cleaning devices or methods, which complies with the applicable requirements set forth below: 301.1 MANUFACTURING PROCESSES AND COATING, ADHESIVE, OR INK APPLICATIONS: The solvent used to clean substrates during the manufacturing process, or used for surface preparation of substrates before coating, adhesive, or ink applications shall contain VOC equal to or less than 70 grams of VOC per liter of material. 301.2 REPAIR AND MAINTENANCE: Solvents used for repair or maintenance cleaning shall have a VOC content of 900 grams or less of VOC per liter of material and a VOC composite partial pressure of 20 mm Hg or less at 20øC (68øF). 301.3 COATINGS AND ADHESIVES APPLICATION EQUIPMENT: Solvents used for cleaning coatings or adhesives application equipment shall have a VOC content of 950 grams or less of VOC per liter of material and a VOC composite partial pressure of 35 mm Hg or less at 20øC (68øF). 301.4 INK APPLICATION EQUIPMENT: Solvents used for cleaning of ink application equipment in graphic arts shall meet the limits specified below: a. The solvents used in screen printing shall have a VOC content of 1,070 grams or less of VOC per liter of material, and a VOC composite partial pressure of 5 mm Hg or less at 20øC (68øF). b. The solvents used in lithographic and letter press printing shall have a VOC of 900 grams or less of VOC per liter of material, and a VOC composite partial pressure of 25 mm Hg or less at 20øC (68øF). c. The solvents used in printing operations not subject to Sections 301.4.a., 301.4.b., or 301 .4.d., shall have a VOC content of 100 grams or less of VOC per liter of material, and a VOC composite partial pressure of 20 mm Hg or less at 20øC (68øF). d. The solvents used to remove ultraviolet inks from application equipment in printing operations shall have a VOC content of 800 grams or less of VOC per liter of material, and a VOC composite partial pressure of 33 mm Hg or less at 20øC (68øF). This provision does not apply to screen printing. 301.5 ELECTRONIC ASSEMBLIES: Solvents used for manufacturing or maintenance cleaning of electronic assemblies shall have a VOC content of 900 grams or less of VOC per liter of material, and a VOC composite partial pressure of 33 mm Hg or less at 20øC (68øF). 301.6 On and after January 1, 1996, the solvents used for cleaning polyester resin application equipment shall comply with one of the limits specified below: a. The solvent shall have a VOC content of 200 grams or less VOC per liter of material; b. The solvent shall have a VOC content of 1100 grams or less of VOC per liter and a VOC composite partial pressure of 1.0 mm Hg or less at 20oC (68oF); or c. A solvent reclamation system shall be used if the solvent exceed the limits of Sections 301.6a and 301.6b, and the solvent usage at the facility exceeds four gallons on any one day. The reclamation system shall operate at least at 80 percent efficiency, on a mass basis. The solvent residues for on-site reclamation systems shall not contain more than 20 percent VOC, by weight. 302 CLEANING DEVICES AND METHODS REQUIREMENTS: A person shall perform solvent cleaning operations using one of the following cleaning devices or methods: 302.1 Wipe cleaning. 302.2 Non-propellant spray bottles or containers. 302.3 An enclosed gun cleaner, pursuant to Section 209. 303 EMISSIONS CONTROL DEVICE REQUIREMENTS: As an alternative to Sections 301 and 302, a person may use emissions collection and control devices in association with the solvent cleaning operation regulated by this rule provided that: 303.1 The collection device collects at least 90 percent, by weight, of the emissions generated by the solvent cleaning operation, pursuant to Section 502.6, and 303.2 The control device reduces VOC emissions from the emission collection system by at least 95 percent, by weight, pursuant to Sections 404 and 502.6. 304 STORAGE AND DISPOSAL: Regardless of their VOC content, all VOC-containing materials used in solvent cleaning operations, such as solvents, and cloth and paper moistened with solvents, shall be stored in non-absorbent containers with no liquid leaks, which shall be kept closed at all times unless filling or emptying. 400 ADMINISTRATIVE 401 OPERATION AND MAINTENANCE PLAN: Any person choosing to use on emissions control device pursuant to Section 303 must submit an Operation and Maintenance Plan for the emissions control device to the Air Pollution Control Officer for approval. The Plan shall specify operation and maintenance procedures which will demonstrate continuous operation of the emissions control device, pursuant to Section 303, during periods of emissions-producing operations. The Plan shall also specify which daily records must be kept to document these operation and maintenance procedures. These records shall comply with the requirements of Section 501. The Plan shall be implemented upon approval by the Air Pollution Control Officer. 402 PROCEDURE FOR PROCESSING OPERATION AND MAINTENANCE PLAN: 402.1 APPROVAL OF PLAN: The Air Pollution Control Officer shall determine whether the Operation and Maintenance Plan meets the requirements of Section 401 not later than 30 days after receipt of the Plan, or within a longer period of time agreed upon by the parties. The Air Pollution Control Officer shall approve an Operation and Maintenance Plan unless it fails to demonstrate continuous operation of the emissions control device during periods of emissions producing operations, according to the standards set forth in Section 303, and/or it fails to specify which daily records, in accordance with the requirements of Sections 501.2.b. and 501.3, are kept to document the operation and maintenance procedures set forth in the Plan. 402.2 REVISION OF PLAN: If the Air Pollution Control Officer does not approve an Operation and Maintenance Plan, the Air Pollution Control Officer shall provide written notice to the source ox the deficiency, and the source shall have an additional 30 days from the date of the notification of the deficiency to correct and resubmit the Operation and Maintenance Plan. 403 COMPLIANCE SCHEDULE: Operation and Maintenance Plans for emissions control devices installed as of June 8, 1995, if not previously submitted, must be submitted by 16 months after date of adoptions, subject to review and approval by the Air Pollution Control Officer, pursuant to Section 402 or Rule 502, NEW SOURCE REVIEW. 404 CALCULATION FOR VOC MASS EMISSION RATE AND PERCENT CONTROL EFFICIENCY: The VOC mass emission rate shall be calculated both upstream and downstream of the emissions control device based on the respective VOC mass concentration and volumetric flow rate, pursuant to Section 502.6 and the following equation: M = Q x C x (60 Minutes) -------------------- 1 HOUR Where: M = VOC mass emission rate, in lb/hr. Q = the volumetric flowrate of the exhaust stack, in scfm. C = the VOC mass concentration, in lb/scf, as measured by EPA Method 25. The percent control efficiency is calculated as follows: % CE = (MU - MD) --------- x 100 MU Where: CE = control efficiency. MU = the upstream VOC mass emission rate, in lb/hr. MD = the downstream VOC mass emission rate, in lb/hr. 405 CALCULATION FOR DETERMINATION OF VOC CONTENT PER VOLUME OF MATERIAL: The volume of material means the volume of the original material, plus any VOC containing material added to the original material. The weight of VOC per total volume of material shall be calculated by the following equation: G1 = Wv - Ww - Wec ------------- Vm Where: G1 = weight of VOC per total volume of material, in grams per liter. Wv = weight of all volatile compounds, in grams. Ww = weight of water in grams. Wec= weight of compounds listed as exempt in Section 210 from the definition of VOC, in grams. Vm = volume of material, in liters. 406 CALCULATION FOR VOC COMPOSITE PARTIAL PRESSURE: VOC composite partial pressure is the sum of the partial pressures of the compounds defined as VOCs, and shall be calculated by the following equation: n ä (Wi)(VPi)/(MWi) PPc = i=1 ---------------------- Ww We n Wi ---- + ---- + ä ---- MWw MWe i=1 MWi Where: PPc = VOC composite partial pressure at 20oC, in mm Hg. Wi = Weight of the (i) VOC compound, in grams. Ww = Weight of water, in grams. We = Weight of exempt compounds, in grams. MWi = Molecular weight of the (i) VOC compound, in grams per gram/mole. MWw = Molecular weight of water, in grams per gram/mole. MWe = Molecular weight of exempt compound, in grams per gram/mole. VPi = Vapor Pressure of the (i) VOC compound at 20oC, in mm Hg. 407 VIOLATIONS: Failure to comply with any provision of this rule shall constitute a violation of the rule. 500 MONITORING AND RECORDS 501 USAGE RECORDS: In addition to any existing permit conditions issued pursuant to Rule 501, GENERAL PERMIT REQUIREMENTS, effective 16 months after June 8, 1995, any person subject to this rule, including operations claiming exemption under Sections 104 and 105 shall comply with the following requirements. 501.1 LIST OF MATERIALS: A current list of solvents in use shall be maintained which includes all of the following items: a. The product namecode of the solvent, and the application pursuant to Section 301. b. The VOC content of the solvent, as determined pursuant to Section 502. 1. The VOC composite partial pressure of the solvent as determined pursuant to Section 502.3. c. Method of cleaning and cleaning device used with the solvent. 501.2 USAGE AMOUNTS: a. For persons using materials which comply with the standards specified in Section 301, or using materials pursuant to Section 104, records shall be maintained on a monthly basis, showing the type and volume of solvents used. b. For persons using materials exceeding the VOC and VOC composite partial pressure limits specified in Section 301, and using an emission control system pursuant to Section 303, or using materials pursuant to Section 105, records shall be maintained on a daily/ basis, showing the type and volume of solvents used. 501.3 CONTROL EQUIPMENT: Any person using an emission control device pursuant to Section 303 shall maintain such records as required by the Operation and Maintenance Plan in Section 401 on a daily basis. 501.4 DURATION OF RECORDS: Such records shall be maintained on-site for a continuous two-year period and made available to the Air Pollution Control Officer upon request. 502 TEST METHODS 502.1 DETERMINATION OF VOC CONTENT: VOC content of solvents shall be determined in accordance with EPA Method 24 and Sections 405 and 502.2 of this rule. 502.2 DETERMINATION OF COMPOUNDS EXEMPT FROM VOC DEFINITION: Compounds exempted from the VOC definition, as listed in Section 210 of this rule, shall be determined in accordance with ASTMD 4457-85 or ARB Method 432. If any of the per fluorocarbons are being claimed as exempt compounds, the person making the claim must state in advance which compounds are present, and the EPA-approved test method used to make the determination of these compounds. 502.3 DETERMINATION OF VOC COMPOSITE PARTIAL PRESSURE: VOC composite partial pressure shall be determined in accordance with Sections 406, 502.1, 502.2, 502.4, and 502.5 of this rule. 502.4 DETERMINATION OF VAPOR PRESSURE: Vapor pressure of a VOC shall be determined in accordance with ASTM Method D2879-86, or may be obtained from a published source such as: a. "The Vapor Pressure of Pure Substances", Boublik, Fried, and Hala; Elsevier Scientific Publishing Company, New York, 1973. b. "Perry's Chemical Engineer's Handbook", McGraw-Hill Book Company, 1984. c. "CRC Handbook of Chemistry and Physics, Chemical Rubber Publishing Company, 1986-87. d. "Lange's Handbook of Chemistry", John Dean, ed., McGraw-Hill Book Company, 1985. DETERMINATION OF SOLVENT COMPONENTS: The identity of components in solvents shall be determined by EPA Method 18. 502.5 DETERMINATION OF CONTROL EFFICIENCY: Control efficiency of the emissions control device shall be determined in accordance with EPA Method 18, 25, 25A, EPA Method 2 or 2C (whichever is applicable), and Section 404. 502.6 DETERMINATION OF COLLECTION EFFICIENCY: Collection efficiency shall be determined according to EPA's technical document, "Guidelines for determining Capture Efficiency", January 9, 1995. 503 DURATION OF RECORD All records maintained pursuant to this rule shall be retained for at least two years from date of entry, with the exception that sources subject to the requirements of Rule 507, FEDERAL OPERATING PERMIT PROGRAM, shall retain records at least five years. Records shall be made available for inspection by the Air Pollution Control Officer upon request.