Amended October 14, 2010 (Effective July 1, 2011)

Placer County APCD 234 - 1 Rules and Regulations



### RULE 234 AUTOMOTIVE REFINISHING OPERATIONS

Adopted 11-03-94 (Amended 8-24-95, 8-8-96, 4-9-98, 10-14-10 [Effecti ve 7-1-11])

CONTENTS

100 GENERAL

101 PURPOSE

102 APPLICABILITY

103 SEVERABILITY

104 EXEMPTIONS

200 DEFINITIONS

201 ADHESION PROMOTER

202 AEROSOL COATING PRODUCT

203 ASSSEMBLY LINE

204 ASSOCIATED PARTS AND COMPONENTS

205 AUTOMOTIVE COATING

206 AUTOMOTIVE COATING COMPONENT

207 AUTOMOTIVE REFINISHING FACILITY

208 CAPTURE EFFICIENCY

209 CLEANING OPERATIONS

210 CLEAR COATING

211 COATING

212 COLOR COATING

213 CONTROL EFFICIENCY

214 ELECTROSTATIC SPRAY APPLICATION

215 EMISSION CONTROL SYSTEM

216 EXEMPT COMPOUNDS

217 GRAPHIC DESIGN APPLICATION 218 HIGH VOLUME, LOW PRESSURE (HVLP) SPRAY EQUIPMEN T
219 LACQUER
220 MOBILE EQUIPMENT

221 MOTOR VEHICLE

222 MULTI COLOR COATING

223 PRETREATMENT COATING

224 PRIMER
225 PRIMER SEALER

226 REDUCER

227 SINGLE STAGE COATING

228 SOLVENT

229 SPOT REPAIR

230 TEMPORARY PROTECTIVE COATING

231 TRANSFER EFFICIENCY

232 TRUCK BED LINER COATING

233 UNDERBODY COATING

234 UNIFORM FINISH COATING 235 VOLATILE ORGANIC COMPOUNDS (VOC)

236 VOC CONTENT

300 STANDARDS

301 LIMITSAmended October 14, 2010 (Effective July 1, 2011)

Rules and Regulations 234 - 2 Placer County APCD 302 MOST RESTRICTIVE VOC LIMIT
303 APPLICATION REQUIREMENTS

304 EMISSION CONTROL SYSTEM

305 SOLVENT LIMITS AND EVAPORATIVE LOSS MINIMIZATIO N
306 TOXIC AIR CONTAMINANT

400 ADMINISTRATIVE REQUIREMENTS

401 PROHIBITION OF POSSESSION

402 PROHIBITION OF SPECIFICATION

403 PROHIBITION OF SALE OR MANUFACTURE
404 VOC COMPLIANCE STATEMENT REQUIREMENT
405 LABELING REQUIREMENTS

406 HVLP MARKING

500 MONITORING AND RECORDS

501 USER COATING RECORDS
502 EMISSION CONTROL EQUIPMENT RECORDS

503 SALES RECORDS

504 PROHIBITION OF SALE OR MANUFACTURE RECORDS

505 BURDEN OF PROOF

506 MAINTENANCE OF RECORDS

507 TEST METHODSAmended October 14, 2010 (Effective July 1, 2011)

Placer County APCD 234 - 3 Rules and Regulations 100 GENERAL

101 PURPOSE: To limit the emission of volatile organic compoun ds from coating and solvent operations associated with motor vehicles, mobile e quipment, and associated parts and components.

102 APPLICABILITY: The provisions of this rule apply to any person w ho uses, applies or solicits the use or application of any automotive c oating or associated solvent; or any person who supplies, sells, offers for sale, manufacturers or distributes for use or application within the District, any automotive coating or associated solvent.

103 SEVERABILITY: If any section, subsection, sentence, clause, phr ase, or portion of this rule is, for any reason, held invalid, unconstitutional or unenforceable by any court of competent jurisdiction, that portion shall be deemed as a sep arate, distinct, and independent provision, and the holding shall not affect the validity to th e remaining portions of the rule.

104 EXEMPTIONS

104.1 Exemption From Rule 219: The provisions of Rule 219, ORGANIC SOLVENTS, sha ll not apply to the operations subject to this rule.

104.2 Exemption, Small Quantity: The provisions of this rule shall not apply to an y automotive coating that is sold, supplied, or offer ed for sale in 0.5 fluid ounce or smaller containers intended to be used by the gener al public to repair tiny surface imperfections.

104.3 Exemption, Assembly Line: The provisions of this rule shall not apply to an y coating applied to motor vehicles or mobile equipment, or t heir associated parts and components during manufacture on an assembly line.

104.4 Exemption, Aerosol Products Coating: The provisions of this rule shall not apply to the application of aerosol coating products from no n-refillable aerosol containers having a capacity of one liter (34 fluid ounces), o r less.

104.5 Exemption, Use Outside of District: The provisions of this rule shall not apply to an y automotive coating or associated solvent that is of fered for sale, sold, or

manufactured for use outside of the District or for shipment to other manufacturers for reformulation or packing.

200 DEFINITIONS

201 ADHESION PROMOTER: A coating which is labeled and formulated to be a pplied to uncoated plastic surfaces to facilitate bonding of subsequent coatings, and on which, a subsequent coating is applied.

202 AEROSOL COATING PRODUCT: A pressurized coating product containing pigments or resins that dispenses product ingredients by means of a propellant, and is packaged in a non-refillable can for hand-held application, or fo r use in specialized equipment for ground traffic/marking applications.

203 ASSEMBLY LINE: An arrangement of industrial equipment and worker s in which the product passes from one specialized operation to an other until complete, by either automatic

or manual means.

204 ASSOCIATED PARTS AND COMPONENTS: Any structures, devices, pieces, modules, sections, assemblies, sub-assemblies, or elements o f motor vehicles or mobile equipmentAmended October 14, 2010 (Effective July 1, 2011)

Rules and Regulations 234 - 4 Placer County APCD

that are designed to be a part of motor vehicles or mobile equipment but which are not attached to motor vehicles or mobile equipment at t he time of coating the structure, device, piece, module, section assembly, sub-assembly, or e lement. “Associated parts and components” does not include circuit boards.

205 AUTOMOTIVE COATING: Any coating or coating component used or recommen ded for use in motor vehicle or mobile equipment refinishing, s ervice, maintenance, repair, restoration, or modification, except metal plating activities. Any reference to automotive refinishing or automotive coating made by a person on the containe r or in product literature constitutes a

recommendation for use in motor vehicle or mobile e quipment refinishing.

206 AUTOMOTIVE COATING COMPONENT: Any portion of a coating including, but not limit ed to, a reducer or thinner, toner, hardener, and addi tive, which is recommended by any person

to distributors or end-users for use in an automoti ve coating, or which is supplied for or used in an automotive coating. The raw materials used to produce the components are not considered automotive coating components.

207 AUTOMOTIVE REFINISHING FACILITY: Any shop, business, location, or parcel of land where motor vehicles or mobile equipment or their a ssociated parts and components are coated, including autobody collision repair shops. “Automotive Refinishing Facility” does not include the original equipment manufacturing plant where the motor vehicle or mobile equipment is completely assembled.

208 CAPTURE EFFICIENCY: The fraction, in percent, of all VOC's generated by a process that is directed to an abatement or recovery device.

209 CLEANING OPERATIONS: Involves the removal of loosely held uncured adhe sives, inks, coatings, or contaminants, including, but not limit ed to, dirt, soil, or grease, from motor vehicles, mobile equipment, associated parts and co mponents, substrates, parts, products, tools, machinery, equipment, or general work areas.

210 CLEAR COATING: Any coating that contains no pigments and is labe led and formulated for application over a color coating or clear coating.

211 COATING: A material which is applied to a surface and form s a film in order to beautify, preserve, repair, and/or protect such surface.

212 COLOR COATING: Any pigmented coating, excluding adhesion promote rs, primers, and multi-color coatings, that requires a subsequent cl ear coating and which is applied over a primer, adhesion promoter, or color coating. Color coatings include metallic/iridescent color coatings.

213 CONTROL EFFICIENCY: The fraction, in percent, of pollution prevented by a control device and the pollution introduced to the control device.

214 ELECTROSTATIC SPRAY APPLICATION: Any method of spray application of coatings

where an electrostatic attraction is created betwee n the part to be coated and the paint particles.

215 EMISSION CONTROL SYSTEM: Any combination of capture systems and control de vices

used to reduce VOC emissions from automotive coatin g operations.

216 EXEMPT COMPOUNDS: For the purpose of this Rule, exempt compounds ar e as defined in Rule 102, DEFINITIONS.Amended October 14, 2010 (Effective July 1, 2011)

Placer County APCD 234 - 5 Rules and Regulations 217 GRAPHIC DESIGN APPLICATION: The application of logos, letters, numbers, and g raphics to a painted surface, with or without the use of a template by brush, roller, or airbrush.

218 HIGH VOLUME, LOW PRESSURE (HVLP) SPRAY EQUIPMEN T: Spray equipment, permanently labeled as such, used to apply coatings by means of a gun which is designed to be operated and which is operated between 0.1 and 1 0 pounds per square inch, gauge, (psig) air atomized pressure, measured dynamically at the center of the air cap and at the air

horns.

219 LACQUER: A coating that dries primarily by solvent evapora tion and is resoluble in its original solvent.

220 METALLIC/IRIDESCENT COLOR COATING: Any coating that contains more than 0.042 pounds per gallon (5 grams per liter) of metal or i ridescent particles as applied, where such particles are visible in the dried film.

221 MOBILE EQUIPMENT: Equipment which may be drawn or is capable of bei ng driven on rails or on a roadway, including, but not limited t o, trains, railcars, truck bodies, truck trailers, camper shells, mobile cranes, bulldozers, street cl eaners, golf carts, and implements of husbandry or agriculture.

222 MOTOR VEHICLE: Any self-propelled vehicle, including, but not li mited to cars, trucks, buses, golf carts, vans, motorcycles, tanks, and ar mored personnel carriers.

223 MULTI COLOR COATING: Any coating that exhibits more than one color in the dried film after a single application, is packaged in a single container, and hides surface defects on areas of heavy use, and which is applied over a pri mer or adhesion promoter.

224 PRETREATMENT COATING: A coating which contains a minimum of one-half (0 .5) percent acid by weight, and not more than 16 percent solids by weight, to provide surface etching, and which is labeled and formulated to be applied d irectly to bare metal surfaces to provide corrosion resistance and topcoat adhesion.

225 PRIMER: Any coating, which is labeled and formulated for application to a substrate to provide: (1) a bond between the substrate and subse quent coats, (2) corrosion resistance, (3) a smooth substrate surface, or (4) resistance to pe netration of subsequent coats, and on which a subsequent coating is applied. Primers may be pigmented.

226 PRIMER SEALER: Any coating which is labeled and formulated for a pplication prior to the application of a color coating for the purpose of c olor uniformity, or to promote the ability of the underlying coating to resist penetration by the color coating.

227 REDUCER: Products used to thin a coating.

228 SINGLE-STAGE COATING: Any pigmented coating, excluding primers and mult i-color coatings, labeled and formulated for application wi thout a subsequent clear coat. Singlestage coatings include single-stage metallic/irides cent coatings.

229 SOLVENT: A VOC-containing fluid used to perform surface pr eparation and cleaning operations.

230 SPOT REPAIR: Repair of an area on a motor vehicle, piece of mo bile equipment, or associated parts or components of less than 1 squar e foot (929 square centimeters).

231 TEMPORARY PROTECTIVE COATING: Any coating which is labeled and formulated for the purpose of temporarily protecting areas from ov erspray or mechanical damage.Amended October 14, 2010 (Effective July 1, 2011)

Rules and Regulations 234 - 6 Placer County APCD 232 TRANSFER EFFICIENCY: The ratio of the amount of coating solids adherin g to the object being coated to the total amount of coating solids sprayed, expressed as a percentage.

233 TRUCK BED LINER COATING: Any coating, excluding clear, color, multi-color, and single stage coatings, labeled and formulated for applicat ion to a truck bed to protect it from surface

abrasion.

234 UNDERBODY COATING: Any coating labeled and formulated for applicatio n to wheel wells, the inside of door panels or fenders, the underside of a trunk or hood, or the underside of the

motor vehicle.

235 UNIFORM FINISH COATING: Any coating labeled and formulated for applicatio n to the area around a spot repair for the purpose of blending a repaired area’s color or clear coat to match the appearance of an adjacent area’s existing coati ng.

236 VOLATILE ORGANIC COMPOUNDS (VOC): Any chemical compound containing at least one atom of carbon except for the Exempt Compounds listed in Rule 102, DEFINITIONS.

237 VOC CONTENT:

237.1 VOC Regulatory Content: The weight of VOC per combined volume of VOC and coating solids, calculated with the following equat ion:

VOC Regulatory Content = (Ws – Ww – Wec) / (Vm – V w – Vec)

237.2 VOC Actual Content: The weight of VOC per volume of material, calcula ted with the following equation:

VOC Actual Content = (Ws – Ww – Wec) / Vm

Where:

Ws = Weight of volatile compounds in grams

Ww = Weight of water in grams Wec = Weight of exempt compounds in grams

Vm = Volume of material in liters

Vw = Volume of water in liters Vec = Volume of exempt compounds, as defined in Rul e 102,

DEFINITIONS, in liters

300 STANDARDS

301 LIMITS: No person shall apply to any motor vehicle, mobil e equipment, or associated parts and components, any coating with a VOC regulatory c ontent, as calculated pursuant to Section 237.1 for VOC regulatory, in excess of the following limits, except as provided in
Section 304.

Coating Category Regulatory VOC Content g/l (lb/gal)

Adhesion Promoter 540 (4.5) Clear Coating 250 (2.1) Color Coating 420 (3.5) Multi-Color Coating 680 (5.7) Pretreatment Coating 660 (5.5)Amended October 14, 2010 (Effective July 1, 2011)

Placer County APCD 234 - 7 Rules and Regulations

Coating Category Regulatory VOC Content g/l (lb/gal)

Primer 250 (2.1)

Primer Sealer 250 (2.1) Single-Stage Coating 340 (2.8) Temporary Protective Coating 60 (0.5) Truck Bed Liner Coating 310 (2.6) Underbody Coating 430 (3.6) Uniform Finish Coating 540 (4.5) Any Other Coating Type 250 (2.1)

302 MOST RESTRICTIVE VOC LIMIT: If anywhere on the container of any automotive co ating, or any label or sticker affixed to the container, o r in any sales, advertising or technical literature supplied by a person, any representation is made that indicates that the coating

meets the definition of or is recommended for use f or more than one of the coating categories listed in Section 301, then the lowest VOC content limit shall apply.

303 APPLICATION REQUIREMENTS: No person shall apply a coating to any motor vehi cle, mobile equipment, or associated parts and component s unless one of the following application methods is used:

303.1 Brush, dip, or roller;

303.2 Electrostatic spray application equipment, op erated in accordance with the manufacturer's recommendations;

303.3 High Volume Low Pressure (HVLP) spray equipme nt, operated in accordance with the manufacturer's recommendations;

303.4 Spray gun, demonstrated to meet the HVLP defi nition in Section 218 in design and

use;

303.5 Any other equivalent coating application meth od which has been demonstrated to have a transfer efficiency equivalent to or higher than, the application methods listed in this Section, as determined per subsection 507.2 , Determination of Transfer Efficiency, and which has been submitted to and app roved in writing prior to use by
the Air Pollution Control Officer.

304 EMISSION CONTROL SYSTEM: In lieu of complying with VOC content limits of S ection 301, a person may use a VOC emission control system that controls emissions from the source operation provided the following conditions are met:

304.1 The VOC emission control system shall be appr oved in writing by the Air Pollution
Control Officer.

304.2 The VOC emission control system shall be oper ated with an overall control efficiency (capture and control), as determined in Sections 50 7.3 and 507.4, of at least 85 percent by weight, during periods of emission produ cing activity. The approved emission control system must be maintained and used at all times in proper working

condition.

304.3 Submit an Operation and Maintenance Plan at l east 90 days in advance of the date on which VOC emission control system is to be used in lieu of compliance with VOC content limitations. The Plan shall specify operati on and maintenance procedures which will demonstrate continuous operation and com pliance of the emissions controlAmended October 14, 2010 (Effective July 1, 2011)

Rules and Regulations 234 - 8 Placer County APCD

equipment during periods of emissions-producing ope rations. The Plan shall also specify which daily records must be kept to documen t these operations and maintenance procedures. These records shall comply with the requirements of Section 502. The Plan shall be implemented upon app roval by the Air Pollution
Control Officer.

304.4 Submittal of an application for Authority to Construct per Rule 501, GENERAL PERMIT REQUIREMENTS, prior to control system constr uction.

305 SOLVENT LIMITS AND EVAPORATIVE LOSS MINIMIZATIO N:

305.1 Closed, non-leaking, non-absorbent containers shall be used for the storage or disposal of VOC-laden materials, including cloth or paper used for solvent surface preparation and cleanup.

305.2 Fresh or spent solvent, coating, catalyst, th inner, or reducer, shall be stored in closed vapor-tight containers when not in use. Containers may only be open when adding or removing contents. Disposal shall be done in a mann er to prevent evaporation of VOCs into the atmosphere at the facility.

305.3 Solvents shall not be used for the cleanup of spray equipment including paint lines unless an enclosed system or other system, that has been approved in writing for use by the Air Pollution Control Officer, is used for c leanup. The system must enclose spray guns, cups, nozzles, bowls, and other parts d uring washing, rinsing, and draining procedures. Equipment used shall minimize the evaporation of organic compounds to the atmosphere. Spray equipment may be cleaned without the use of an enclosed system if cleaning solutions are used t hat do not contain VOCs.

305.4 For solvent cleaning operations other than fo r bug and tar removal, solvents must have VOC content less than 25 g/l, as calculated us ing the equation listed in Section

237.2 for VOC actual content. For solvents used for bug and tar removal, the VOC content shall meet requirements for such products u nder the Consumer Products Regulation (California Code of Regulations Section 94509, with a maximum limit of 40% volatile organic compound by weight).

306 TOXIC AIR CONTAMINANT: No person shall apply a coating to any motor vehi cle, mobile equipment, or associated parts and components, cont aining cadmium or hexavalent

chromium.

400 ADMINISTRATIVE REQUIREMENTS

401 PROHIBITION OF POSSESSION: No person shall possess at any automotive refinis hing facility, any VOC-containing product that is not in compliance with Section 301 or 304 or 305.4, as applicable.

402 PROHIBITION OF SPECIFICATION: No person shall solicit or require for use or spe cify the application of any coating or solvents to a motor v ehicle, mobile equipment, or part or component if such use results in a violation of the provisions of this rule. The prohibition of this Section will apply to all written or oral cont racts, including but not limited to, job orders, under the terms of which any coating which is subje ct to the provisions of this rule is to be applied to any motor vehicle, mobile equipment, or part or component at any physical location

within the District.

403 PROHIBITION OF SALE OR MANUFACTURE:Amended October 14, 2010 (Effective July 1, 2011)

Placer County APCD 234 - 9 Rules and Regulations

403.1 No person shall manufacture, blend, repackage for sale, supply, sell, offer for sale, or distribute within the District, any coating with a VOC content in excess of the limits specified in Section 301. This shall apply to the s ale of any coating which will be applied at any physical location within the jurisdi ction of the District.

403.2 The provision of Section 403.1 shall not appl y to the application of coatings where either: (a) The product is used exclusively within a emission control systems as allowed in Section 304; or (b) For coatings for use outside of the District.

404 VOC COMPLIANCE STATEMENT REQUIREMENT: The manufacturer or repackager of automotive coatings and automotive coating componen ts and solvents subject to this rule shall provide the following product information to the purchaser, on product data sheets, or equivalent medium (including in electronic or web m edia format), for each coating, coating component, solvent, and ready to spray mixture:

404.1 VOC actual content and VOC regulatory content , expressed in grams per liter or

pounds per gallon;

404.2 Weight percentage of volatiles, water, and ex empt compounds;

404.3 Volume percentage of water and exempt compoun ds;

404.4 Density of the material, in grams per liter.

405 LABELING REQUIREMENTS: The manufacturer and repackager of automotive coa tings and automotive coating components and solvents shal l include on all containers the material type (applicable use category(ies)), and the VOC ac tual content and VOC regulatory content for coatings and solvents, as supplied, expressed i n grams per liter or pounds per gallon. For products manufactured prior to July 1, 2011, labeli ng does not need to identify the material type (applicable coating category(ies)).

406 HVLP MARKING: A person shall not sell, offer for sale, or distr ibute for use within the District any HVLP gun without a permanent marking, or accurate information provided on company letterhead or in the form of technical lite rature clearly identifying the spray gun manufacturer, salesperson or distributer, denoting the maximum inlet air pressure in psig at which the gun will operate within the parameters sp ecified in Section 218.

500 MONITORING AND RECORDS

501 USER COATING RECORDS: Operators of facilities subject to this Rule shal l maintain, and have available at all times on the site, the follow ing:

501.1 A current listing of all VOC containing mater ials in use at their facility. This listing shall include, for each product:

501.1.1 Material name and manufacturer identificati on;

501.1.2 Application method;

501.1.3 Material type (applicable use category(ies) ), mix ratio, and specific use

instructions;

501.1.4 Specific mixing instructions;

501.1.5 VOC actual content and VOC regulatory conte nt.Amended October 14, 2010 (Effective July 1, 2011)

Rules and Regulations 234 - 10 Placer County APCD

501.2 Current manufacturing specification sheets, t echnical data sheets, material data sheets, or current air quality data sheets, which l ist the VOC actual content and VOC regulatory content of each material ready to spray coating (based on the manufacturer’s stated mix ratio) and automotive coa ting component, and VOC

content of each solvent.

501.3 Records on a monthly basis for the quantity a nd material type (applicable use category(ies)) of each coating applied, and total f acility VOC emissions. These records shall be summarized for the previous calend ar year and submitted to the District by June 1.

501.4 Purchase records identifying the coating or s olvent material type (applicable use category(ies)), product name and/or identification number, product volume, and name and address of the seller, The material type (appl icable use category(ies)) may be contained on product data sheets or manufacturer sp ecification sheets. Purchase records may be stored offsite.

502 EMISSION CONTROL EQUIPMENT RECORDS: Any person using emissions control equipment pursuant to Section 304 as a means of com plying with this rule shall maintain such records as required by the Operation and Maint enance Plan in Section 304, Section 501, and also including:

502.1 Monthly usage records of all materials used s uch as coatings, catalysts, additives,

and reducers.

502.2 Daily records of key operating parameters suc h as temperatures, pressures, flowrates, and hours of operation of the control de vice to verify compliance of the capture and control device.

502.3 Maintenance work which interferes with the op eration of the control device.

503 SALES RECORDS: Any person within the District selling coatings s ubject to this Rule shall maintain the following records for on-site sales, f or a three-year period, and make such records available on request to the Air Pollution C ontrol Officer:

503.1 Business name, street address, phone number, and either business license or drivers license;

503.2 Product name and volume;

503.3 VOC content and material type (applicable use category(ies)). This information must be available on-site, and does not need to be inclu ded in each sales transaction;

503.4 Date of sale.

504 PROHIBITION OF SALE OR MANUFACTURE RECORDS: Any person claiming an exemption under subsection 403.2 shall keep a detai led log of each automotive coating component and automotive coating manufactured, blen ded, repackaged for sale, supplied, sold, offered for sale, or distributed showing:

504.1 Quantity, including size, and number of conta iners;

504.2 Regulatory and actual VOC content for coating s;

504.3 Purchaser, including name, address, phone num ber, and retail tax license number;Amended October 14, 2010 (Effective July 1, 2011)

Placer County APCD 234 - 11 Rules and Regulations

504.4 The specific exemption being utilized under S ection 403.

505 BURDEN OF PROOF: Any person claiming an exemption pursuant to Sect ion 104 shall have information available including product data o r material data safety sheets or records

that allow the Air Pollution Control Officer to ver ify eligibility of the exemption.

506 MAINTENANCE OF RECORDS: Records required by this rule shall be retained f or a minimum of three years, except for sources subject to Rule 507, FEDERAL OPERATING PERMIT PROGRAM, which shall retain records for five (5) years. Records shall be made available to the Air Pollution Control Officer upon request.

507 TEST METHODS: The following test methods are incorporated by re ference, and shall be used to test coatings and solvents subject to the p rovisions of this rule. A source is in violation of this rule if any measurement by any of the listed applicable test methods exceeds

the standards of this rule.

507.1 Determination of VOC Content: The VOC content of coatings or solvents, subject to the provisions of this Rule, shall be determined by procedures contained in U.S. EPA Reference Test Method 24 (40 CFR 60), “Determinatio n of Volatile Matter Content, Water Content, Density, Volume Solids, and Weight S olids of Surface Coatings”.

507.2 Determination of Transfer Efficiency: Transfer efficiency as required in Section 303

of this rule shall be determined in accordance with the South Coast Air Quality Management District Test Method "Spray Equipment Tr ansfer Efficiency (TE) Test Procedure for Equipment User,” May 24, 1989, or oth er equivalent method which has been approved in writing by the Air Pollution Contr ol Officer and submitted to and approved by U.S. EPA.

507.3 Determination of Control Efficiency: Control efficiency as required by Section 304 of this rule, shall be determined in accordance with U .S. EPA Method 25 25A, or 25B; and U.S. EPA Method 2 or 2C (whichever is applicabl e). U.S. EPA Method 18 or CARB Method 422 “Determination of Volatile Organic Compounds Emissions from Stationary Sources” may be used to determine emissi ons of exempt compounds.

507.4 Determination of Capture Efficiency: Capture efficiency as required in Section 304, of this rule shall be determined by and reported in accordance with U.S. EPA “Guidelines for Determining Capture Efficiency”, Ja nuary 9, 1995, and 40 CFR 51, Appendix M, Methods 204-204f, as applicable.

507.5 Determination of Acid Concentration: Acid concentration in pretreatment wash primer as defined in Section 223, of this rule shal l be determined by ASTM Test Method D-1613-06 “Standard Test Method for Acidity in Volatile Solvents and Chemical Intermediates Used in Paint, Varnish, Lacq uer, and Related Products”,

2006.

507.6 HVLP Equivalency: Spray equipment HVLP equivalency shall be determi ned using South Coast Air Quality Management District “Guidel ines for Demonstrating Equivalency with District Approved Transfer Efficie ncy Spray Guns”, September 26,

2002.

507.7 Determination of Exempt Compounds : Measurement of exempt compounds shall be determined by using CARB Method 432, “Determination of Dichloromethane and 1,1,1-Trichloroethane in Paints and Coatings,” Sept ember 12, 1998”; ARB Method 422 “Determination of Volatile Organic Compounds in Emission from Stationary Sources”, January 22, 1987; or South Coast Air Qual ity Management District Method 303-91, “Determination of Exempt Compounds”, Februa ry 1993.Amended October 14, 2010 (Effective July 1, 2011)

Rules and Regulations 234 - 12 Placer County APCD

507.8 Determination of Methyl Acetate, Acetone, t-B utyl Acetate, and parachlorobenzotrifluoride (PCBTF) Content: Measurement of methyl acetate, acetone t-butyl acetate and PCBTF, shall be determi ned using ASTM D6133-02, “Standard Test Method for Acetone, p-chlorobenzoftr ifluoride, Methyl Acetate or tButyl Acetate Content of Solventborne and Waterborn e Paints, Coatings, Resins, and Raw Materials by Direct Injection into a Gas Chroma tograph”, February 2003.

507.9 Multiple Test Methods : When more than one test method or a set of test methods is specified for any testing, a violation of any requi rement of this rule established by any one of the specified test methods or set of test me thods shall constitute a violation of

this rule.

507.10 Alternative Test Methods: The use of other test methods which are determine d to be equivalent or better and approved, in writing, by t he Air Pollution Control Officer, and U.S. EPA may be used in place of test methods speci fied in this rule.