YOLO-SOLANO AIR QUALITY MANAGEMENT DISTRICT

RULE 2.26 - MOTOR VEHICLE AND MOBILE EQUIPMENT COATING OPERATIONS
(Revised August 13, 1997)

INDEX

100 GENERAL

101 PURPOSE

110 EXEMPTION - TOUCH-UP

111 EXEMPTION - GRAPHIC DESIGN APPLICATIONS

112 EXEMPTION - MILITARY VEHICLES AND GROUND SUPPORT EQUIPMENT

113 EXEMPTION - RADIATORS AND ENGINE COMPONENTS

114 EXEMPTION - AEROSOL PAINT PRODUCTS

115 EXEMPTION - TRANSFER EFFICIENCY

200 DEFINITIONS

201 ANTIGLARE/SAFETY COATING

202 CATALYST

203 COLOR MATCH

204 ELECTROSTATIC APPLICATION

205 EXEMPT COMPOUNDS

206 FINISHING

207 FINAL STAGE MANUFACTURE

208 GRAMS OF VOC PER LITER OR COATING LESS WATER AND LESS EXEMPT SOLVENT

209 GRAPHIC DESIGN APPLICATION

210 GROUND SUPPORT

211 GROUP I VEHICLES

212 GROUP II VEHICLES AND EQUIPMENT

213 HIGH VOLUME. LOW PRESSURE (HVLP) SPRAY

214 LARGE/HEAVY DUTY TRUCKS

215 LIGHT AND MEDIUM DUTY TRUCKS AND VANS

216 METALLIC/IRIDESCENT TOPCOAT

217 MOBILE EQUIPMENT

218 MULTI STAGE TOPCOAT SYSTEM

219 PRECOAT

220 PRETREATMENT WASH PRIMER

221 PRIMER

222 PRIMER SEALER

223 PRIMER SURFACER

224 REDUCER

225 REFINISHING

226 SPECIALTY COATINGS

227 TEMPORARY PROTECTIVE COATING

228 TOPCOAT

229 TOUCH-UP COATING

230 TRANSFER EFFICIENCY

231 UTILITY BODY

232 VOLATILE ORGANIC COMPOUNDS (VOC)

300 STANDARDS

301 LIMITS

302 TRANSFER EFFICIENCY

303 SURFACE PREPARATION AND CLEAN-UP SOLVENT

304 SMALL PRODUCTION/UTILITY BODIES

305 SPECIALTY COATINGS

306 TEMPORARY PROTECTIVE COATING

307 PRECOAT LIMITATION

400 ADMINISTRATIVE REQUIREMENTS

401 PROHIBITION OF SPECIFICATION

402 PROHIBITION OF SALE

403 COMPLIANCE STATEMENT REQUIREMENT

404 HVLP MARKING

500 MONITORING AND RECORDS

501 ANALYSIS OF SAMPLES

502 DETERMINATION OF EMISSIONS

503 DETERMINATION OF TRANSFER EFFICIENCY

504 DETERMINATION OF CAPTURE EFFICIENCY

505 DETERMINATION OF IRIDESCENT PARTICLES IN METALLIC/IRIDESCENT TOPCOAT

506 DETERMINATION OF ACID CONCENTRATION IN PRETREATMENT WASH PRIMER

507 RECORDS




100 GENERAL

101 PURPOSE: To limit the emission of volatile organic compounds from the finishing or refinishing of Group I and Group II Vehicles and Equipment as defined in this Rule.
110 EXEMPTION - TOUCH-UP: The provisions of this Rule shall not apply to touch-up operations.
111 EXEMPTION - GRAPHIC DESIGN APPLICATIONS: The provisions of this Rule shall not apply to graphic design applications.
112 EXEMPTION - MILITARY VEHICLES AND GROUND SUPPORT EQUIPMENT: The provisions of this Rule shall not apply to the coating of military vehicles and ground support equipment which is subject to the provisions of District Rule 2.25, METAL PARTS AND COATING OPERATIONS. Military vehicles include tanks and armored personnel carriers but do not include passenger vehicles.
113 EXEMPTION - RADIATORS AND ENGINE COMPONENTS: The provisions of this Rule shall not apply to the coating of radiators and engine components which is subject to the provisions of District Rule 2.25, METAL PARTS AND COATING OPERATIONS.
114 EXEMPTION - AEROSOL PAINT PRODUCTS: The provisions of this Rule shall not apply to the application of aerosol paint products.
115 EXEMPTION - TRANSFER EFFICIENCY: The provisions of Section 302 of this Rule shall not apply to the application of high viscosity or thixotropic coatings with application equipment that is supplied with and is an integral part of the coating container or to the application of corrosion protective coatings to enclosed interior spaces.

200 DEFINITIONS

201 ANTIGLARE/SAFETY COATING: A coating which minimizes light reflection for safety purposes.
202 CATALYST: A substance whose presence initiates the reaction between chemical compounds.
203 COLOR MATCH: The ability of a repair coating to blend into an existing coating so that color difference is not visible.
204 ELECTROSTATIC APPLICATION: The application of charged atomized paint droplets which are deposited by electrostatic attraction.
205 EXEMPT COMPOUNDS: For a current listing of exempt compounds see Section 214 of District Rule 1.1, General Provisions and Definitions.
206 FINISHING: The coating of incomplete vehicles, their parts and components, or mobile equipment for which the original coating was not applied from an Original Equipment Manufacturing (OEM) plant coating assembly line.
207 FINAL STAGE MANUFACTURE: An incomplete vehicle chassis is delivered to a manufacturer for installation and paint of a truck body and/or components to form a completed vehicle.
208

GRAMS OF VOC PER LITER OF COATING LESS WATER AND LESS EXEMPT SOLVENT: The weight of VOC per combined volume of VOC and coating solids as calculated by the following equation:

    (Ws - Ww - Wes)
Gvoc = ------------------
    (Vm - Vw - Ves)

where:

Gvoc = Grams VOC per liter of coating less water and exempt compounds.

Ws = Weight of volatile compounds in grams.

Ww = Weight of water in grams.

Wes = Weight of exempt compounds in grams.

Vm = Volume of material in liters.

Vw = Volume of water in liters.

Ves = Volume of exempt compounds (as defined in Section 205 of this rule) in liters.

209 GRAPHIC DESIGN APPLICATION: The application of logos, letters, numbers and graphics to a painted surface, with or without the use of a template.
210 GROUND SUPPORT: Vehicles used in support of aircraft activities at airports.
  GROUP I VEHICLES: Passenger cars, large/heavy duty truck cabs and chassis, light and medium duty trucks and vans, and motorcycles.
212 GROUP II VEHICLES AND EQUIPMENT: Public transit buses and mobile equipment.
213 HIGH-VOLUME, LOW-PRESSURE (HVLP) SPRAY: Equipment used to apply coatings by means of a gun which is designed to be operated and which is operated between 0.1 and 10 psig air atomizing pressure measured dynamically at the center of the air cap and at the air horns.
214 LARGE/HEAVY DUTY TRUCKS: Any truck having a manufacturer's gross vehicle weight rating of over 30,000 pounds.
215 LIGHT AND MEDIUM DUTY TRUCKS AND VANS: Any truck or van having a manufacturer's gross vehicle weight rating of 30,000 pounds or less.
216 METALLIC/IRIDESCENT TOPCOAT: Any coating which contains more than 5 g/l (0.042 lb/gal) of metal or iridescent particles, as applied, where such particles are visible in the dried film.
217 MOBILE EQUIPMENT: Any equipment which may be drawn or is capable of being driven on rails or on a roadway, including, but not limited to, trains, railcars, truck bodies, truck trailers, camper shells, mobile cranes, bulldozers, street cleaners, golf carts and implements of husbandry.
218

MULTI-STAGE TOPCOAT SYSTEM: A topcoat system composed of either a basecoat/clearcoat (2 stage), a basecoat/midcoat/clearcoat (3 stage), or a groundcoat/basecoat/midcoat/clearcoat (4 stage).

The VOC content of a basecoat/clearcoat coating system shall be calculated according to the following formula:

VOCAVERAGE

=

VOCBC + 2VOCCC

   

3

The VOC content of a three stage coating system shall be calculated according to the following formula:

VOCAVERAGE

=

VOCBC + VOCMC + 2VOCCC

   

4

The VOC content of a four stage coating system shall be calculated according to the following formula:

VOCAVERAGE

=

VOCGC + VOCBC + VOCMC + 2VOCCC

   

5

Where:

VOCAVERAGE = The average of the VOC content, as applied, and used to determine compliance with the standards in Section 301 of this Rule.

VOCGC = The VOC content, as applied, of a pigmented groundcoat or tinted primer sealer.

VOCBC = The VOC content, as applied, of a pigmented basecoat.

VOCMC = The VOC content, as applied, of a translucent midcoat.

2VOCCC = The VOC content, as applied, of a transparent clearcoat.

219 PRECOAT: Any coating which is applied to bare metal primarily to deactivate the metal surface prior to application of a subsequent water-base primer surfacer. Effective April 1, 1995, a precoat shall be a coating that dries by oxidation or chemical polymerization.
220 PRETREATMENT WASH PRIMER: Any coating which contains a minimum of 0.5 percent acid by weight, is necessary to provide surface etching and is applied directly to bare metal surfaces to provide corrosion resistance and adhesion.
221 PRIMER: Any coating applied prior to the application of a topcoat for the purpose of corrosion resistance and adhesion of the topcoat. Primer surfacer and primer sealer shall be considered as primer when applied to Group II vehicles.
222 PRIMER SEALER: Any coating applied for the purpose of sealing the underlying metal, primer system, or OEM finish prior to the application of a topcoat. One of the purposes of a primer sealer is to promote the ability of an undercoat to resist penetration by the topcoat.
223 PRIMER SURFACER: Any coating applied prior to the application of a topcoat for the purpose of corrosion resistance, adhesion of the topcoat, and which promotes a uniform surface by filling in surface imperfections.
224 REDUCER: The solvent used to thin enamel.
225 REFINISHING: Any coating of vehicles, their parts and components, or mobile equipment, including partial body collision repairs, for the purpose of protection or beautification and which is subsequent to the original coating applied at an Original Equipment Manufacturing (OEM) plant coating assembly line.
226 SPECIALTY COATINGS: Unique coatings and compliant coatings with additives which are necessary due to unusual job performance requirements. Said coatings include, but are not limited to, adhesion promoters, uniform finish blenders, elastomeric materials, gloss flatteners, bright metal trim repair, and anti-glare/safety coatings.
227 TEMPORARY PROTECTIVE COATING: A coating applied for the purpose of protecting adjacent areas to that being painted from overspray. The temporary protective coating is removed after primer or topcoat application.
228 TOPCOAT: Any coating applied over a primer, primer system, or an original OEM finish for the purpose of protection or appearance. For the purposes of this Rule, solid color and metallic/iridescent topcoats are single stage applications, the VOCAVERAGE of a multi stage topcoat system will determine compliance with the VOC standards in Section 301 of this Rule.
229 TOUCH-UP COATING: A coating applied by brush, air brush, or hand held, non-refillable aerosol cans to repair minor surface damage and imperfections of less than four square feet.
230 TRANSFER EFFICIENCY: The ratio of the amount of coating solids adhering to the object being coated to the total amount of coating solids used in the application process, expressed as a percentage.
231 UTILITY BODY: A special purpose service compartment or unit that will be bolted, welded, or affixed onto an existing cab and chassis. The compartment may serve as storage for equipment or parts.
232 VOLATILE ORGANIC COMPOUNDS(VOC): Any chemical compound containing at least one atom of carbon except exempt compounds listed in Section 214 of Rule 1.1, General Provisions and Definitions.

300 STANDARDS

301 LIMITS: Any person who applies coatings to Group I or II vehicles, mobile equipment, their parts and components, shall comply with Sections 301.1 or 301.2 of this Rule.

301.1 Group I Vehicles. A person shall not refinish Group I vehicles, their parts and components, or Group II vehicles and mobile equipment where color match is required, using any coating with a VOC content in excess of the following limits, expressed as grams of VOC per liter (or pounds per gallon) of coating applied, excluding water and exempt compounds (as defined in Section 205 of this Rule), unless emissions to the atmosphere are controlled to an equivalent level by air pollution abatement equipment with an abatement device efficiency of at least 85 percent.


COATING

APRIL 1, 1995

VOC

Pretreatment Wash Primer

780 g/l (6.5 lbs/gal)

Precoat

600 g/l (5.0 lbs/gal)

Primer/Primer surfacer

250 g/l (2.1 lbs/gal)

Primer Sealer

420 g/l (3.5 lbs/gal)

Solid Color Topcoat

420 g/l (3.5 lbs/gal)

Metallic/Iridescent Topcoat

520 g/l (4.3 lbs/gal)

Multi Stage Topcoat System

540 g/l (4.5 lbs/gal)



301.2 Group II Vehicles and Mobile Equipment. A person shall not finish or refinish Group II vehicles and equipment or their parts and components where color match is not required, using any coating with a VOC content in excess of the following limits, expressed as grams of VOC per liter (or pounds per gallon) of coating applied, excluding water and exempt compounds (as defined in Section 205 of this Rule), unless emissions to the atmosphere are controlled to an equivalent level by air pollution abatement equipment with an abatement device efficiency of at least 85 percent.

COATING

APRIL 1, 1995

VOC

Pretreatment Wash Primer

780 g/l (6.5 lbs/gal)

Precoat

600 g/l (5.0 lbs/gal)

Primer

250 g/l (2.1 lbs/gal)

Primer Sealer

340 g/l (2.8 lb/gal)

Topcoat

420 g/l (3.5 lbs/gal)

Metallic/Iridescent Topcoat

420 g/l (3.5 lbs/gal)

302

TRANSFER EFFICIENCY: Effective September 27, 1994 for all coatings, a person shall not apply any coating to any Group I or II vehicles or mobile equipment or their parts and components unless one of the following methods is used:

302.1 Electrostatic application equipment, operated in accordance with the manufacturer's recommendations;

302.2 High Volume Low Pressure (HVLP) spray equipment, operated in accordance with the manufacturer's recommendations;

302.3 Any other coating application method which has been demonstrated to have a transfer efficiency of 65% or greater and which is approvable by the U.S. EPA.

303 SURFACE PREPARATION AND CLEAN-UP SOLVENT: Any person using organic solvent for surface preparation and cleanup or mixing, using, or disposing of coating or stripper containing organic solvent:

303.1 Effective April 1, 1995, the VOC content of surface preparation solvent shall not exceed 72 g/l (0.6 lb/gal). The VOC content of surface preparation solvent used to clean plastic parts shall not exceed 780 g/l (6.5 lb/gal).

303.2 Shall use closed, nonabsorbent containers for the storage or disposal of cloth or paper used for solvent surface preparation and cleanup.

303.3 Shall store fresh or spent solvent, coating, catalyst, thinner, or reducer in closed containers when not in use.

303.4 Shall not use organic compounds for the cleanup of spray equipment unless the spray equipment is disassembled and cleaned in an enclosed gun washer or other low emission washing system that has been demonstrated to be at least equivalent to an enclosed system. An enclosed gun washer is defined as a spray gun washing system that has an enclosed solvent container and uses non-atomized solvent flow to flush the spray equipment and collects and returns the discharged solvent to the enclosed container. The alternative low emission washing system must have approval in writing by the Air Pollution Control Officer.
304 SMALL PRODUCTION/UTILITY BODIES: A person shall not coat utility bodies where the coating must match that of the vehicles upon which they will be mounted using any coating with a VOC content in excess of the standards set forth in Section 301.1 of this Rule, provided production is less than 20 vehicles per day. Daily records must be maintained on the number of utility bodies coated each day and such records shall be retained for the previous 24 month period and be made available at the time of inspection.
305 SPECIALTY COATINGS: A person shall not use any specialty coating with a VOC content in excess of 840 g/l (7.0 pounds per gallon), excluding water and exempt compounds. Use of all specialty coatings except antiglare/safety coatings shall not exceed 5.0 percent of all coatings applied, on a monthly basis. The application of topcoats with a specialty coating used as an additive shall be subject to the topcoat limits in Sections 301.1 and 301.2 of this Rule.
306 TEMPORARY PROTECTIVE COATING: A person shall not use any temporary protective coating with a VOC content in excess of 60 g/l (0.5 lb/gal), excluding water.
307 PRECOAT LIMITATION: A person shall not use precoat in excess of 25 %, by volume, of the amount of primer surfacer used. Purchase invoices to verify this limitation shall be presented to the Air Pollution Control Officer upon request.

400 ADMINISTRATIVE REQUIREMENTS

401 PROHIBITION OF SPECIFICATION: No person shall solicit or require for use or specify the application of a coating on a Group I or II vehicle, mobile equipment, or part or component thereof if such use or application results in a violation of the provisions of this Rule. The prohibition of this Section will apply to all written or oral contracts under the terms of which any coating which is subject 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.
402 PROHIBITION OF SALE: A person shall not offer for sale or sell within the District any coating if such product is prohibited by any of the provisions of this Rule. The prohibition of this Section shall apply to the sale of any coating which will be applied at any physical location within the jurisdiction of the local air pollution control agencies. This requirement shall not apply to the application of coatings where emissions to the atmosphere are controlled to an equivalent level of this Rule by air pollution abatement equipment that has been approved in writing by the Air Pollution Control Officer.
403 COMPLIANCE STATEMENT REQUIREMENT: The manufacturer of coatings subject to this Rule shall include a designation of VOC (as defined Section 232 of this Rule) as supplied, including coating components, expressed in grams per liter (or pounds per gallon), excluding water and exempt compounds, on data sheets.
404 HVLP MARKING: Effective April 1, 1995, a person shall not sell or offer for sale for use within the District any HVLP gun without a permanent marking denoting the maximum inlet air pressure in psig at which the gun will operate within the parameters specified in Section 213 of this Rule.

500 MONITORING AND RECORDS

501 ANALYSIS OF SAMPLES: Samples of volatile organic compounds as specified in Sections 301.1 and 301.2 of this Rule shall be analyzed as prescribed by EPA Reference Method 24, "Determination of Volatile Matter Content, Water Content, Density, Volume Solids, and Weight Solids of Surface Coatings".
502 DETERMINATION OF EMISSIONS: Emissions of volatile organic compounds as specified in Section 301.1 and 301.2 of this Rule shall be measured as prescribed by EPA Reference Method 25, "Determination of Total Gaseous Organic Concentration Using a Flame Ionization Analyzer".
503 DETERMINATION OF TRANSFER EFFICIENCY: Transfer efficiency as required by Section 302.3 of this Rule shall be determined IN ACCORDANCE with the South Coast Air Quality Management District (SCAQMD) "SCAQMD Procedure for Testing Spray Equipment Transfer Efficiency (TE)".
504 DETERMINATION OF CAPTURE EFFICIENCY: Capture efficiency as required by Section 301.1 and 301.2 of this Rule shall be determined by and reported in accordance with 40 CFR 52.741, Appendix B, "VOM Measurement Techniques for Capture Efficiency".
505 DETERMINATION OF IRIDESCENT PARTICLES IN METALLIC/IRIDESCENT TOPCOAT: Iridescent particles in metallic/iridescent topcoat as defined, in Section 216 of this Rule shall be determined by the South Coast Air Quality Management District (SCAQMD) Spectrographic method contained in Section 3, Method 311 of the SCAQMD "Laboratory Method of Analysis for Enforcement Samples" manual.
506 DETERMINATION OF ACID CONCENTRATION IN PRETREATMENT WASH PRIMER: Acid concentration in pretreatment wash primer as defined in Section 220 of this Rule shall be determined by ASTM Test Method D-1613-85 (modified).
507

RECORDS: Any person subject to Sections 301.1, 301.2, 303, and 304 of this Rule shall comply with the following requirements:

507.1 The person shall maintain and have available during an inspection, the listed category of each of the coatings and the type of vehicle or equipment to which each coating was applied.

507.2 The person shall maintain and have available during an inspection, a current list of coatings in use which provides all of the coating data necessary to evaluate compliance, including the following information, as applicable:

  1. Coating, catalyst, additives, and reducer used.
  2. Mix ratio of components used.
  3. VOC content of coating as applied.

507.3 The person shall maintain records on a daily basis including the following information:

  1. Coating and mix ratio of components in the coating used.
  2. Quantity of each coating applied.

507.4 The person shall maintain records on a monthly basis showing the type and amount of solvent used for cleanup and surface preparation.

507.5 Any person complying with the provisions of Sections 301 or 302 of this Rule by using air pollution control equipment shall maintain daily records of key system operating parameters, such as temperatures, pressures, and/or flowrates for the emissions control equipment which will demonstrate continuous operation and compliance of that equipment during periods of emission producing activities.

507.6 Such records shall be retained and available for inspection by the District for the previous 24 month period.