RULE 4603 SURFACE COATING OF METAL PARTS AND PRODUCTS, PLASTIC PARTS AND PRODUCTS, AND PLEASURE CRAFTS (Adopted April 11, 1991; Amended Septembe r 19, 1991; Amended Ma y 21, 1992; Amended December 17, 1992; Amended May 20, 1993; Amended Sept ember 21, 2000; Amended December 20, 200 1; Amended May 18, 2 006; Amended September 20, 2007; Amended Oct ober 16, 2008; Amended September 17, 2009)

1.0 Purpose

The purpose of this rule is to limit the emissions of vol atile organic compounds (VOC) from the coating of metal part s and products, larg e appliances parts or products, metal furniture, plastic parts and products, automotive/transpor tation and business machine plastic parts and products, and pleasure craf ts, and from the orga nic solvent cleaning and storage and disposal of so lvents and waste solvent mate rials associated with such coating. This rule also specifies the admi nistrative and recordk eeping requirements and the test methods for determining the VOC content, the VOC emissions, the VOC capture efficiency, the acid content, the metallic or irid escent quality of coatings, and the VOC emissions from spra y gun cleaning systems.

2.0 Applicability

The provisions of this rule shall apply to th e surface coating of metal parts or products, large appliances parts or products, metal furniture, and plastic parts and products, automotive/transportation and business machine plastic parts and products, and pleasure crafts, and to the organic solvent cleaning, a nd the storage and disposal of all solvents
and waste solvent materials asso ciated with such coating.

3.0 Definitions

3.1 Aerospace Vehicles: the completed unit of any aircraft, helicopter, missile or space vehicle.

3.2 Air Dried: a process whereby the coat ed object is cured or dried at ambient temperature or at a temperature below 194 ° F.

3.3 Air Pollution Control Officer (APCO ) : as defined in Rule 1020 (Definitions).

3.4 Antifoulant Coating: any coating a pplied to the underwater portion of a pleasure craft to prevent the attachment of biological organism s, and registered with the EPA as a pesticide under the Federal Insecticid e, Fungicide, and Rodenticide Act (7 United States Code Section 136).

3.5 Application Equipment: a device, including, but not limited to, a spray gun, brush, and roller, used to appl y adhesives, coatings, or inks.

SJVUAPCD 4603-1 09/17/093.6 ARB: California Air Resources Board.

3.7 ASTM: means ASTM International.

3.8 Baked: a process whereby the coat ed object is heated above ambient temperature to a temperature at or above 194 ° F for the purpose of curing or drying.

3.9 Basecoat/Clearcoat: a two-step topcoa t system in which a highly pigmented, often metallic, basecoat is followed by a clearcoat, re sulting in a finish with high gloss

3.10 Bench Scale Project: a project (oth er than at a research and development facility) that is operated on a small scale, such as one capable of being located on a laboratory bench top.

3.11 Brush Coating: the manual applicati on of coatings using brushes or rollers.

3.12 Business Machine: a device that uses electronic or mechanical methods to process information, perform calculations, print or copy information or convert sound into electrical impulses for tran smission, including devices listed in
standard industrial classification numb ers 3572, 3573, 3574, 3579, and 3661 and photocopy machines, a s ubcategory of standard in dustrial classification

number 3861.

3.13 Camouflage Coating: a coating us ed primarily by the military to conceal equipment from detection.

3.14 CFR: Code of Federal Regulations.

3.15 Clearcoat: a transparen t coating usually a pplied over a colored, opaque coat to improve gloss and provide protec tion to the colorcoat below.

3.16 Clear Coating: a colorless coating wh ich contains binders, but no pigment, and
is formulated to form a transparent film.

3.17 Coating: a material a pplied onto or impregnated into a substrate for protective, decorative, or functional pur poses. Such materials include, but are not limited to, paints, varnishes, sealers, and stains.

3.18 Coating of Plastic Part s of Automobiles and Trucks: the coating of any plastic part that is or shall be assembled with other parts to form an automobile or

truck.

SJVUAPCD 4603-2 09/17/093.19 Coating of Plastic Part s of Business Machin es: the coating of any plastic part
that is or shall be assembled with ot her parts to form a business machine.

3.20 Coils: metal sheets or strips which are rolled into co ils for further industrial or
commercial use.

3.21 Continuous Coating: an enclosed coating system where spray nozzles coat metal parts and products as they are conveyed throug h the enclosure. Water
wash zones control the inle t and outlet of the enclosur e. Excess coating drains into a recirculation system.

3.22 Cured Adhesive, Cured Co ating, or Cured Ink: an adhesive, coa ting, or ink that is dry to the touch.

3.23 Degreaser: a tank, tray , drum or other container in which objects to be cleaned are exposed to a solvent or solvent vapor in order to remove contaminants. The objects to be cleaned include, but are not limited to, parts, products, tools, machinery, and equipment. An enclosed spray application equipment cleaning system is not a degreaser.

3.24 Dip Coating: the pro cess in which a substrate is immersed in a solution (or dispersion) containing the coating material, and then withdrawn.

3.25 Dissolver: an organic solven t that is added to an adhesi ve, coating, or ink in order to melt or to liquefy solid particles.

3.26 Electric Dissipating Coa ting: a coating that rapidl y dissipates a high-voltage electric charge.

3.27 Electrodeposition: a dip coating application met hod where the paint solids are given an electrical charge which is then attracted to a substrate.

3.28 Electrostatic Application: a method of spray appli cation of coatings where an electrostatic potential is cr eated between the parts to be coated and the paint particles.

3.29 EMI/RFI Shielding: a coating used on electrical or electronic equipment to provide shielding against electromagne tic interference, radio frequency interference, or static discharge.

3.30 EPA: United States E nvironmental Protection Agency.

3.31 Exempt Organic Compo unds: all organic compounds not classified as volatile organic compounds (VOC), as list ed in Rule 1020 (Definitions).

SJVUAPCD 4603-3 09/17/093.32 Extreme High Gloss Coating: a ny coating which achieves at least 95% reflectance on a 60 degree gloss mete r when tested by ASTM D-523-89.

3.33 Extreme Performance Coating: a co ating used on a meta l surface where the coated surface is, in its intended use, exposed to any of the following:

3.33.1 Repeated heavy abrasion, incl uding mechanical wear and repeated scrubbing with industrial grade solvents , cleaners, or abrasive scouring

agents; or

3.33.2 Unprotected shipboard conditions; or

3.33.3 Temperatures consis tently in excess of 250 ° F; or

3.33.4 Chronic exposure to corrosive, cau stic or acidic agents, chemicals, chemical fumes, chemical mixtures or solutions.

3.34 Flow Coating: a coa ting application system, with no air supplied to the nozzle, where paint flows over the part and the excess coating drains back into the collection system.

3.35 Fog Coating: a coating that is applie d to a plastic part for the purpose of color matching without masking in a molded-in texture. A fog coat shall be applied to
a thickness of more than 0. 5 mils of coating solids.

3.36 Finish Primer/Surfacer: a coating a pplied with a wet film thickness of less than 10 mils or more prior to the applicati on of a topcoat for pur poses of providing corrosion resistance, adhesion of subsequent coatings, or moisture barrier, or promoting a uniform surface necessar y for filling in surface imperfections.

3.37 Grams of VOC per Liter of Coati ng Applied, Excluding Water and Exempt Compounds: the weight of VOC per combined volume of VOC and coating
solids and can be calculate d by the following equation:

Grams of VOC per Liter of Coating Applied Excluding = Ws - Ww - Wec Water and Exempt Compounds Vm - Vw - Vec

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

SJVUAPCD 4603-4 09/17/09Vec = volume of exempt compounds, in liters

3.38 Grams of VOC per liter of Material: the weight of VOC pe r volume of material
and can be calculated by the following equation:

Grams of VOC per Liter of Material = 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

3.39 Heat Resistant Coating: any coating, which during normal use, must withstand temperatures of at least 400 ° F.

3.40 High Build Primer/Surfacer : a coating applied with a wet film thickness of 10 mils or more, prior to the application of a topcoat, for pur poses of providing corrosion resistance, adhesion or subsequent coatings, or a moisture barrier, or promoting a uniform surface necessar y for filling in surface imperfections.

3.41 High Gloss Coating: any coating which achieves at least 85% reflectance on a 60 degree gloss meter when tested by ASTM Method D-523-89.

3.42 High Performance Architect ural Coating: a coating us ed to protect architectural
subsections and which meet s the requirements of the Architectural Aluminum Manufacturers Association publi cation number AAMA 605.2-1980.

3.43 High Temperature Coating: any co ating that is certified to withstand temperatures of at least 1,000 ° F for 24 hours.

3.44 High-Volume, Low-Pressure (HVLP) Spray Equipment: equipment used to apply materials by means of a spray gun which is design ed and intend ed to be operated, and wh ich is operated, between 0.1 a nd 10.0 psig of air atomizing pressure, measured dyn amically at the center of th e air cap and th e air horns.

3.45 Large Appliance Pa rt: any organic surface-coated me tal lid, door, cas ing, or other
interior or exterior metal part or accessory that is assembled to form a large appliance product.

3.46 Large Applianc e Product: any organic surface-c oated metal range, microwave oven, refrigerator, freezer, washer, dryer, dishwa sher, water heat er, or trash compactor manufactured for household, commercial, or recreational use.

SJVUAPCD 4603-5 09/17/093.47 Light-Duty Truck: an y truck having a manufacturer's maximum gross vehicle weight rating of under 6,001 pounds.

3.48 Liquid Leak: a visible solvent leak from a container at a rate of more than three drops per minute, or a visible liquid mist.

3.49 Magnet Wire: wire used in electromagnetic field application in electrical machinery and equipment such as tr ansformers, motors, generators, and magnetic tape recorders.

3.50 Maintenance Cleaning: the cleaning of tools, forms, molds, jigs, machinery, and equipment (except coating appli cation equipment, ink application equipment, or adhesive a pplication equipment), and th e cleaning of work areas where maintenance or manufacturing occurs.

3.51 Manufacturing Process: the process of making goods or articles by hand or by
machine.

3.52 Marine Vessel: any tugboat, tanker, freighter, passenger sh ip, barge, or other boat, ship, or watercraft. This includes both salt wate r and fresh water vessels.

3.53 Mask Coating: a thin film coating a pplied through a template to coat a small portion of a substrate.

3.54 Metal Containers or Clos ures: the interior or the ex terior of formed metal cans, drums, pails, or crowns; or flat metal sheets which are intende d to be formed into cans, drums, pails, lids, or crowns.

3.55 Metal Furniture: includes, but is not limited to, the following types of products: household, office, institutional, labor atory, hospital, public building,
restaurants, barber and b eauty shop, and dental furn iture, as well as components of these products. It also includes offi ce and store fixtures, partitions, shelving, lockers, lamps, and lighting fixtures, and wastebaskets

3.56 Metal Parts and Products: any comp onent or complete un it fabricated from metal, except those subject to the coa ting provisions of ot her source specific
rules.

3.57 Metallic/iridescent Coati ng: any coating which contai ns more than 0.042 lb/gal or 5 grams/liter of metal or iridescent particles, as a pplied, where such particles
are visible in the dried film.

3.58 Military Specification Coating: a coating which has a formulation approved by the United States Military Agency for use on military equipment.

SJVUAPCD 4603-6 09/17/093.59 Mold Seal Coating: th e initial coating applied to a mold to provide a smooth surface which, when coated with a mold release coating, prevents products from sticking to the mold.

3.60 Motor Vehicle: a vehicle which is self-propelled and is a device by which any person or property may be propelled, moved or drawn upon a highway, excepting a device moved by human power or used exclusivel y upon stationary
rails or tracks.

3.61 Multi-Colored Coating: a coating wh ich exhibits more than one color when applied, and which is packaged in a singl e container and applied in a single coat.

3.62 Multi-Component Coating: a coati ng requiring the additi on of a separate reactive resin, commonly known as a cataly st or hardener, before application to form an acceptable dry film.

3.63 Non-Absorbent C ontainer: a containe r made of non-porous material that does not allow the migration of solvents through it.

3.64 Non-Atomized Solvent Fl ow: solvents in the form of a liquid stream without the introduction of any propellant.

3.65 Non-Leaking Container: a container without liquid leak.

3.66 Normal Business Hours: Monday through Friday, 8:00 am to 5:00 pm.

3.67 One-Component Coating: a coating that is ready for applica tion as it comes out of its container to form an acceptable dr y film. A thinner, necessary to reduce the viscosity, is not considered a component.

3.68 Optical Coating: a coat ing applied to optical lenses.

3.69 Organic Solvent: the same as “Solvent.”

3.70 Organic Solvent Cleaning: as defined in Rule 4663 (Organic Solvent Cleaning, Storage, and Disposal).

3.71 Plastic Part: a piece made from a s ubstance that has been formed from resin through the application of pr essure or heat or both.

3.72 Pleasure Craft: marine vessels which are manufact ured or operated primarily for recreational purposes, or le ased, rented, or chartered to a person or business for recreational purposes. The owner or operator of such vessel shall be responsible for certifying that the inte nded use is for recreational purposes.

SJVUAPCD 4603-7 09/17/093.73 Pleasure Craft Coating: any marine coating, except unsaturated polyester resin (fiberglass) coatings, applie d by brush, spray, or rolle r, or other means to a pleasure craft.

3.74 Polyester Resin Material s: materials including, but not limited to, unsaturated polyester resins such as isophthalic, orthophthalic, haloge nated, biphenol-A, vinyl-ester, or furan resins, cross-linking agents, catalyst s, gel coats, inhibitors, accelerators, promoters, and any other VOC containing materials in polyester resin coating operations.

3.75 Polyester Resin Operat ions: methods used for th e production or rework of products by mixing, pouring, hand-layup, impregnating, injecting, forming, winding, spraying, and/or curing unsaturated polyester resin materials with fiberglass, fillers, or any other reinfor cement materials and associated cleanup.

3.76 Pretreatment Coating or Pretreatment Wash Primer: any coating which contains no more than 12 percent solids by wei ght, and a minimum of one-half (0.5) percent acid by weight, is necessary to provide surface etchi ng, and is applied directly to bare metal or fiberglass surfaces to provi de corrosion resistance and
adhesion.

3.77 Propellant: any gas, including air, in a pressure container for expelling the contents when the pressure is released.

3.78 Repair: recoating porti ons of previously coated product to cover mechanical damage to the coating follo wing normal painting operations.

3.79 Repair Cleaning: a solvent cleaning operation or activity carried out during a repair process.

3.80 Repair Process: the process of re turning a damaged object or an object not operating properly to good condition.

3.81 Research and Development: a facility or portion thereof used to further the development of useful mate rials, devices, systems, or methods, including, but not limited to, design, development, and improvement of prototypes and processes. Research and developmen t does not include the manufacturing process itself.

3.82 Roll Coating: the appli cation of coatings from a pain t trough to a flat surface by
a mechanical series of rollers.

3.83 Rolling, Consecutive 365- Day Period: any given da te plus the immediate, previous 364 days.

SJVUAPCD 4603-8 09/17/093.84 SCAQMD: South Coast Air Quality Manageme nt District.

3.85 Scientific Instruments: instruments (including the components, assemblies, and subassemblies used in their manufacture) and associated accessories and reagents which are used for the detecti on, measurement, an alysis, separation, synthesis, or sequenci ng of various compounds.

3.86 Shock-Free Coating: a coating applied to electrical components to protect the
user from electric shock. The coa ting has characteristi cs of having a low capacitance and high resistan ce, and being resistance to breaking down under a high voltage.

3.87 Silicone Release: a coa ting which contains silicone resin and has as its primary
function the release of food products from metal surfac es such as baking pans.

3.88 Solar Absorbent Coating: a coati ng which has as its primary purpose the absorption of solar radiation.

3.89 Solid Film Lubrican t: a very thin coating consisting of a binder system containing as its chief pigment mate rial one (1) or more of the following : molybdenum disulfide, graphite, polytetrafluoroethylene (PTFE) or other solids that act as a dry
lubricant between clos ely-fitting surfaces.

3.90 Solvent: as defined in Rule 4663 (Organic Solvent Cleaning, Storage, and Disposal).

3.91 Solvent Flushing: the use of a solvent to remove uncured adhesives, uncured inks, uncured coatings, or contaminants fr om the internal surfaces and passages of equipment by flushing solvent, by a non-atomized solvent flow, through the equipment.

3.92 Stationary Source: as defined in Rule 2201 (New and Modified Stationary Source Review Rule).

3.93 Stencil Coating: a coating that is a pplied over a stencil to a plastic part at a thickness of 1 mil or less of coating solid s. Stencil coat is most frequently letters, numbers, or decorative designs.

3.94 Stripping: the use of solvent to remove material such as cured adhesives, cured inks, cured or dried paint, cured or dried paint residue or temporary protective coating.

SJVUAPCD 4603-9 09/17/093.95 Surface Preparation: th e removal of contaminants fr om a surface prior to the application of coatings, inks , or adhesives or before pr oceeding to the next step of a manufacturing process.

3.96 Transfer Effici ency: a 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.

3.97 Thinner: a solvent that is used to dilute coatings to reduce viscosity, color strength, and solids, or to modify drying conditions.

3.98 Texture coating: a coati ng that is applied to a plastic part which, in its finished form, consists of discrete raised spots of the coating.

3.99 Topcoat: any final coat ing applied to a substrate. Several layers of topcoat maybe applied in some cases.

3.100 Touch Up: that portion of the coating operation which is inci dental to the main coating process but necessary to cove r minor imperfections or to achieve

coverage as required.

3.101 Vacuum Metalizing/P hysical Vapor Deposition (PVD ): a process whereby metal is vaporized and deposited on a s ubstrate in a vacuum chamber.

3.102 Viscosity Reducer: an or ganic solvent which is added to an adhesive, coating or
ink to make it more fluid.

3.103 Volatile Organic Compounds (VOC): as defined in Rule 1020 (Definitions).

3.104 Waste Solvent Material: any solv ent which may contain dirt, oil, metal particles, sludge, and/or waste products, or wiping ma terial containing VOC including, but not limited to, paper, cloth, sponge, rag, or co tton swab used in organic solvent cleaning.

3.105 Wipe Cleaning: a solvent cleani ng activity performed by hand rubbing an
absorbent material such as a rag, paper, s ponge, brush, or cotton swab containing solvent.

4.0 Exemptions

4.1 Except for large applian ce parts and products, metal furniture, plastic parts and products, automotive/transportation a nd business machine plastic parts and products, and pleasure craft coating operations subject to Section 5.4.1, Section 5.5.1, Section 5.6.1, and Section 5.7.1, respectively, an operator at a given

SJVUAPCD 4603-10 09/17/09stationary source may use up to a total of 55 gallons of non-compliant coatings per rolling, consecutive 365-da y period. All other pr ovisions of the rule, including application methods and administrative require ments shall apply to the use of the non-compliant coatings.

4.1.1 A non-compliant coating is a coating with VOC c ontent, as applied, in excess of the applicable VOC content lim its in Sections 5.1, or 5.2.

4.1.2 The 55-gallon exemption limit is the total amount of non-compliant coatings, as applied, for all operations that would otherwise be subject to Section 5.1, or Section 5.2 VOC content limits.

4.1.3 The 55-gallon exemption limit does not apply to non-compliant coatings used in a coating operation with an APCO-approved VOC emission control system that meets the re quirements of S ection 5.8.

4.2 Effective until December 31, 2010, the requirements of th is rule shall not apply to metal parts and products touch-up and repair coating operation. On and after January 1, 2011, touch and re pair coating used on meta l parts and products shall comply with the applicable VOC limit specified in Section 5.2 Table 1.

4.3 Any source which is in full compliance with the provisions of this rule shall be exempt from otherwise applicable portions of Rule 4661 (Organic Solvents).

4.4 The requirements of this rule shall not apply to the application of coatings to aircraft, aerospace vehicles, marine ve ssels, can, coils, and magnetic wire.

4.5 The provisions of this rule shall not apply to an opera tion subject to the requirements of Rule 4602 (Motor Vehicle Assembly Coatings).

4.6 The provisions of this rule shall not apply to an opera tion subject to the requirements of Rule 4612 (Motor Vehicle and Mobile Equipment Operations Phase II).

4.7 The provisions of this rule shall not apply to polyester re sin operations and the application of polyester resin materials to metal parts and products that are subject to Rule 4684 (Polyester Resin Operations).

4.8 For plastic parts and products coating operations (except for automotive/transportation and business m achine plastic parts as specified in Section 4.10), the VOC limits of Secti on 5.5 Table 3 and the solvent cleaning requirements of Secti on 5.10 shall not apply to the t ypes of coatings and coating operations specified in Sections 4.8. 1 through 4.8.9, provided the operator

SJVUAPCD 4603-11 09/17/09complies with the work practice standards in Section 5. 9 and coating application
methods in Section 5.12 of this rule.

4.8.1 Touch-up and repair coatings.

4.8.2 Stencil coatings applied on clear or transparent substrates.

4.8.3 Clear or translucent coatings.

4.8.4 Coatings applied at a paint manufacturing facility while conducting performance tests on coatings.

4.8.5 Any individual coating category us ed in volumes less than 50 gallons in any one calendar year, if substitu te compliance coatings are not available, and the total usage of al l such coatings does not exceed 200 gallons per calendar year, per stationary source.

4.8.6 Reflective coatings used on highway cones.

4.8.7 Mask coatings that are less than 0.5 millimeter thick (dried) and the area coated is less than 25 square inches.

4.8.8 Electro-Magnetic Interferen ce (EMI)/Radio Frequency Interference (RFI) shielding coatings.

4.8.9 Heparin-beza lkonium chloride (HBAC)-cont aining coatings applied to medical devices, provided that the to tal usage of all such coatings does not exceed 100 gallons pe r calendar year, per stationary source.

4.9 For plastic parts and products coating operations (except for automotive/transportation and business m achine plastic parts as specified in Section 4.10), the coating application meth ods in Section 5.12 shall not apply to airbrush operations using five (5) gallons or less of coating per calendar year, provided the operator complies with the a pplicable VOC limits in Table 3, work practice standards in Section 5.9 and a pplicable recordkeeping requirement of
Section 6.2.

4.10 For automotive/transpor tation and business machine plastic parts and products coating operations, the VOC limits of Section 5.6 Table 4 and the solvent cleaning requirements of Sec tion 5.10 shall not apply to the types of coatings and coating operations specified in Secti ons 4.10.1 through 4. 10.8, provided the operator complies with the work practice standards in Section 5.9 and coating application methods in S ection 5.12 of this rule.

SJVUAPCD 4603-12 09/17/094.10.1 Texture Coatings.

4.10.2 Texture Topcoats.

4.10.3 Gloss Reducers.

4.10.4 Vacuum Metalizing Coatings.

4.10.5 Adhesion Primers.

4.10.6 Electrostatic Preparation Coatings.

4.10.7 Resist Coatings.

4.10.8 Stencil Coatings.

4.11 For pleasure craft surface coating opera tions, the application method in Section 5.12 shall not apply to extreme gloss coating provided the operator complies with the extreme gloss coating VOC lim it in Table 5 and the work practice
standards in Section 5.9 of this rule.

4.12 The provisions of this rule shall not apply to stripping of cured coatings, cured adhesives, and cure d inks, except the stripping of such materials from spray application equipment.

4.13 The VOC content limits of Table 6 sha ll not apply to the following applications:

4.13.1 Cleaning of solar cells , laser hardware, scientific instruments, or high precision optics.

4.13.2 Cleaning in laborator y tests and analyses, or bench scale or research and development projects.

4.13.3 Cleaning of paper-based gaskets.

4.13.4 Cleaning of clutch assemblie s where rubber is bonded to metal by
means of an adhesive.

4.14 The VOC content limit of Table 6, Category C, shall not apply to the cleaning of application equipment used to apply co atings on satellites or to the cleaning of application equipment used to a pply radiation effect coatings.

SJVUAPCD 4603-13 09/17/095.0 Requirements

5.1 General Coating Limits for Metal Parts and Pr oducts, Except for Large Appliance Parts or Products, and Meta l Furniture Subject to Section 5.4.1

Except as otherwise provided by this ru le, no operator shall apply to any metal part or product any coa ting with a VOC content in excess of the following limits, expressed as grams of VOC per lite r (or pounds per gallon) of coating, less water and exempt co mpounds, as applied.

5.1.1 Baked Coating : 275 grams/liter (2.3 pounds/gallon)

5.1.2 Air-Dried Coating: 340 grams/liter (2.8 pounds/gallon)

5.1.3 VOC Content Limit for Dip coating of steel joists (SIC 3441), air-dried.

5.1.3.1 340 grams of VOC/liter (2.8 pounds of VOC/gallon) for coatings with a viscosity, as applied, of more than 45.6

centistokes at 78 ° F or an average dry-film thickness of greater than 2.0 mils;

5.1.3.2 400 grams of VOC/liter (3 .32 pounds of VOC/gallon) for coatings with a viscosity, as a pplied, of less th an or equal to

45.6 centistokes at 78 ° F and an average dry-film thickness of less than or equal to 2.0 mils.

5.2 Specialty Coating for Metal Parts and Products, Except for Large Appliance Parts or Products, and Metal Furn iture Subject to Section 5.4.1

An operator subject to Sec tion 5.2 shall not apply to any metal part or product any specialty coating with a VOC content in excess of the limits in Table 1.

SJVUAPCD 4603-14 09/17/09Table 1 – VOC Content Limits for Specialty Coatings, except for Large Appliance Parts or Products, and Metal Furnitu re subject to Section 5.4.1 Limits are expressed as grams of VOC /lit er (or pounds of VOC/g allon) of coating, less water and less exempt compounds, as applied.

VOC Limit Coating Type

Baked Air-Dried Camouflage 360 (3.0) 420 (3.5)

Extreme Performance 420 (3.5) Effective until December 31, 2010.

360 (3.0) Effective on and after January 1,

2011. 420 (3.5)

Heat Resistant 360 (3.0) 420 (3.5) Extreme High Gloss 360 (3.0) 420 (3.5) High Performance Architectural 420 (3.5) 420 (3.5) High Temperature 420 (3.5) 420 (3.5) Metallic Coating 360 (3.0) 420 (3.5) Pretreatment Coating 420 (3.5) 420 (3.5) Touch Up and Repair Coati ng 360 (3.0) Effective on and after January 1,

2011. 420 (3.5) Effective on and after January 1,

2011.

Silicone Release 420 (3.5) 420 (3.5)

Solar Absorbent 360 (3.0) 420 (3.5)

Solid Film Lubricant 880 (7.3) 880 (7.3)

5.3 In lieu of complying with the applicab le VOC content limits of Section 5.1, or Table 1, an operator may control emissions from co ating operations with an APCO-approved VOC emission control syst em that meets the requirements of
Section 5.8.

5.4 Coating Limits for Large Appliance Parts or Products Coating Operation and Metal Furniture Coating Operation

5.4.1 An operator whose total actual VO C emissions from a ll large appliance parts or products coating operati ons, or metal fu rniture coating operations, including related cleaning activities, at a stationary source are equal to or greater than three (3 ) tons of VOC per 12-month rolling period, before considera tion of controls, shall not apply to any large appliance parts or products or meta l furniture any coating with a VOC content in excess of the applicable limits in Table 2. In lieu of complying with the VOC content lim its in Table 2, an operator may comply with Section 5.4.1.2.

SJVUAPCD 4603-15 09/17/095.4.1.1 An operato r shall comply with the applicable recordkeeping requirements of Section 6.2 to demonstrat e if the VOC emissions from all large appliance parts or products coating operations, or metal furniture coating operati ons, including re lated cleaning activities, are equal to or greater than three (3) tons of VOC per 12-month rolling period.

5.4.1.2 In lieu of complying with the VOC content limits in Table 2, an

operator may operate a VOC control system that m eets the applicable requirement s of Section 5.8.

5.4.2 An operator of large appliance pa rts or products coating operations, or metal furniture coating operations whose total actual VOC emissions from all large appliance parts or products coating operations, or metal furniture coating operations, includi ng related cleaning activities, at a stationary source are less than th ree (3) tons of VOC per 12-month rolling period, before cons ideration of controls, shall comply with the applicable VOC content limits of coa tings specified in Sections 5.1 and 5.2. An operator shall comply wi th the applicable recordkeeping requirements of Section 6.2 to demonstrate if th e VOC emissions from all large appliance parts or products co ating operations, or metal furniture coating operations, includi ng related cleaning activitie s are less than three (3) tons of VOC per 12-month rolling period.

Table 2 - VOC Content Limits for Large Appliance Parts or Products, and Metal Furniture Coating Operat ions subject to Section 5.4.1 Limits are expressed as grams of VOC/liter (or pounds of VOC/ga llon) of coating, less water and less exempt compounds, as applied.

VOC Limit Coating Type

Baked Air-dried General, One Component 275 (2.3) 275 (2.3) General, Multi-Component 275 (2.3) 340 (2.8) Extreme High Gloss 360 (3.0) 340 (2.8)
Extreme Performance 360 (3.0) 420 (3.5)
Heat Resistant 360 (3.0) 420 (3.5)
Metallic 420 (3.5) 420 (3.5) Pretreatment Coating 420 (3.5) 420 (3.5)
Solar Absorbent 360 (3.0) 420 (3.5)

5.5 Plastic Parts and Products Coating Operations (Except for Automotive/Transportation and Business Machine Plastic Parts and Products Coating Operations that ar e subject to Section 5.6)

SJVUAPCD 4603-16 09/17/09On and after January 1, 2011, an operator of plastic parts a nd products coating operations, except for automotive/trans portation and business machine plastic parts and products coating operations that are subjec t to Section 5.6, shall comply with the applicable requirements of Section 5.5.1 or Section 5.5.2.

5.5.1 An operator whose total actual VO C emissions from all metal parts and products, plastic part s and products, automo tive/transportation and business machine plastic parts and pr oducts, and pleasure craft coating operations, including related cleaning activities, at a stationary source are equal to or greater than 2.7 tons of VOC per 12-month rolling period,

before consideration of controls, shall not apply to any plastic parts and products any coating with a VOC c ontent in excess of the applicable
limits in Table 3.

5.5.1.1 An operato r shall comply with the applicable recordkeeping requirements of Section 6.2 and calculate the VOC emission metal parts and products, pl astic parts and products, automotive/transportation and bu siness machine plastic parts and products, and pleasure cr aft coating operations, to demonstrate if the VOC emissions from all, including related cleaning activities, are equal to or greater than 2.7 tons of VOC per 12-month rolling period.

5.5.1.2 In lieu of complying with the VOC content limits in Table 3, an

operator may operate a VOC control system that m eets the applicable requirements of Section 5.8.

5.5.2 An operator of plas tic parts and products coat ing operations whose total
actual VOC emissions from all metal parts and products , plastic parts and products, automotive/transporta tion and business machine plastic parts and products, and pleasure cr aft coating opera tions, including related cleaning activities, at a stationa ry source are less than 2.7 tons of VOC per 12-month rolling period, before consider ation of controls, are not subject to the coating limits in Ta ble 3. However, the operator shall comply with the applicable recordkeep ing requirements of Section 6.2 and
calculate the VOC emission to demonstr ate if the VOC em issions from all metal parts and products, pl astic parts and products, automotive/transportation and busin ess machine plastic parts and products, and pleasure craft coa ting operations, in cluding related cleaning activities are less than 2.7 tons of VOC per 12-month rolling period.

SJVUAPCD 4603-17 09/17/09Table 3 - VOC Content Limits for Plastic Part s and Products Coating Operations Subject to Section 5.5.1, except for Auto motive/Transportation and Busine ss Machine Plastic Parts and Products that are subject to Section 5.6. Limits are expressed as grams of VOC/liter (or pounds of VOC/ga llon) of coating, less water and less exempt compounds, as applied. Coating Type VOC Limit General One-Component 280 (2.3) General Multi-Component 420 (3.5) Electric Dissipating Coatings and Shock-Free Co atings 800(6.7)
Extreme Performance 420 (3.5) for 2-pack coating

Metallic 420 (3.5) Military Specification 340 (2.8) for 1 pack 420 (3.5) for 2-pack coating
Mold-Seal 760(6.3) Multi-colored Coatings 680 (5.7) Optical Coatings 800 (6.7) Vacuum-Metalizing 800 (6.7)

5.6 Automotive/Transportation and Busine ss Machine Plastic Parts and Products Coating Operations

On and after January 1, 2011, an operator of auto motive/transportation and business machine plastic part s and products coating opera tions shall comply with the applicable requirements of Sect ion 5.6.1 or Sec tion 5.6.2.

5.6.1 An operator whose total actual VO C emissions from all metal parts and products, plastic part s and products, automo tive/transportation and business machine plastic parts and pr oducts, and pleasure craft coating operations, including related cleaning activities, at a stationary source are equal to or greater than 2.7 tons of VOC per 12-month rolling period,

before consideration of cont rols, shall not apply to any automotive/transportation and busin ess machine plastic parts and products any coating with a VOC c ontent in excess of the applicable
limits in Table 4.

5.6.1.1 An operato r shall comply with the applicable recordkeeping requirements of Sect ion 6.2 calculate the VOC emission to demonstrate if the VOC emissions from all metal parts and products, plastic parts and pro ducts, automotive/transportation and business machine plastic pa rts and products, and pleasure craft coating operations, including related cleaning activities, are equal to or greater than 2.7 tons of VOC per 12-month rolling period.

SJVUAPCD 4603-18 09/17/095.6.1.2 In lieu of complying with the VOC content limits in Table 3, an

operator may operate a VOC control system that m eets the applicable requirement s of Section 5.8.

5.6.2 An operator of automotive/trans portation and business machine plastic parts and products coati ng operations whose total actual VOC emissions from all metal parts and products, plastic parts and products, automotive/transportation and busin ess machine plastic parts and products, and pleasure craft coa ting operations, in cluding related cleaning activities, at a stationary s ource are less than 2.7 tons of VOC per 12-month rolling period, before consideration of controls, are not subject to the coating limits in Tabl e 4. However, the operator shall comply with the applicable recordkeep ing requirements of Section 6.2 and
calculate the VOC emission to demonstr ate if the VOC em issions from all metal parts and products, pl astic parts and products, automotive/transportation and busin ess machine plastic parts and products, and pleasure craft coa ting operations, in cluding related cleaning activities are less than 2.7 tons of VOC per 12-month rolling period.

SJVUAPCD 4603-19 09/17/09Table 4 - VOC Content Limits for Automotive /Transportation and Busi ness Machine Plastic Parts and Products Coating Operatio ns Subject to Section 5.6.1 Limits are expressed as grams of VOC/liter (or pounds of VOC/ga llon) of coating, less water and less exempt compounds, as applied. VOC Content Limit For Automotive/Transporta tion Plastic Parts a nd Products Coatings Coating Type VOC Limit I. High Baked Coatings – Interior and Exterior

Flexible Primer 540 (4.5)
Non-flexible Primer 420 (3.5)

Basecoat 520 (4.3)
Clearcoat 480 (4.0)
Non-basecoat/clearcoat 520 (4.3) II. Low Bake/Air-Dried Coatings – Exterior Parts

Primers 580 (4.8)

Basecoat 600 (5.0)
Clearcoat 540 (4.5)
Non-basecoat/clearcoat 600 (5.0) III. Low Bake/Air-Dried Coatings – Interior parts 600 (5.0) IV. Touch-up and Repair Coatings 620 (5.2)

VOC Content Limit For Business Machine Plastic Parts and Products Coatings Coating Type VOC Limit

Primer 350 (2.9) Topcoat 350 (2.9)
Texture Coat 350 (2.9) Fog Coat 260 (2.2) Touch-up and Repair 350 (2.9)

5.7 Pleasure Craft Co ating Operations

On and after January 1, 2011, an operat or of pleasure craf t coating operations shall comply with the applicable requirements of Secti on 5.7.1 or Section 5.7.2.

5.7.1 An operator whose total actual VO C emissions from all metal parts and products, plastic part s and products, automo tive/transportation and business machine plastic parts and pr oducts, and pleasure craft coating operations, including related cleaning activities, at a stationary source are equal to or greater than 2.7 tons of VOC per 12-month rolling period,

before consideration of controls, shall not apply any coatings on pleasure crafts with a VOC content in excess of the applicable limits in Table 5.

5.7.1.1 An operato r shall comply with the applicable recordkeeping requirements of Section 6.2 to demonstrat e if the VOC emissions from all metal parts and produc ts, plastic part s and products,

SJVUAPCD 4603-20 09/17/09automotive/transportation and bu siness machine plastic parts and products, and pleasure cr aft coating operations, including related cleaning activities, are equal to or greater th an 2.7 tons of VOC per 12-month rolling period.

5.7.1.2 In lieu of complying with the VOC content limits in Table 5, an

operator may operate a VOC control system that m eets the applicable requirement s of Section 5.8.

5.7.2 An operator of pleasure craft co ating operations whose total actual VOC
emissions from all metal parts and products, plas tic parts and products, automotive/transportation and busin ess machine plastic parts and products, and pleasure craft coa ting operations, in cluding related cleaning activities, at a stationary s ource are less than 2.7 tons of VOC per 12-month rolling period, before consideration of controls, are not subject to the coating limits in Ta ble 5. However, the operator shall comply with the applicable recor dkeeping requirement s of Section 6.2
calculate the VOC emission to demonstr ate if the VOC em issions from all metal parts and products, pl astic parts and products, automotive/transportation and busin ess machine plastic parts and products, and pleasure craft coa ting operations, in cluding related cleaning activities are less than 2.7 tons of VOC per 12-month rolling period.

Table 5 - VOC Content Limits for Pleasure Craf t Coating Operations S ubject to Section 5.7.1 Limits are expressed as grams of VOC/liter (or pounds of VOC/ga llon) of coating, less water and less exempt compounds, as applied. Coating Type VOC Limit Extreme High Gloss Topcoat 490 (4.1) High Gloss Topcoat 420 (3.5)
Pretreatment Wash Primer 780 (6.5)
Finish Primer Surfacer 420 (3.5) High Build Primer Surfacer 340 (2.8) Aluminum Substrate Antifoulant Coating 560 (4.7) Other Substrate Antifoulant Coating 330 (2.8) All other pleasure craft surface coatings for me tal or plastic 420 (3.5)

5.8 VOC Emission Contro l System Requirements

In lieu of complying with applicable provi sions of Sections 5. 1, 5.2, 5.4, 5.5, 5.6, 5.7, 5.10, or 5.12, an operator may use a VOC emission control system that controls emissions from the source operation and meets the requirements of
Sections 5.8.1 through 5.8.4.

SJVUAPCD 4603-21 09/17/095.8.1 The VOC emission control system shall be under District permit.

5.8.2 The VOC emission control system sh all comply with the requirements of
Sections 5.8.3 and 5.8. 4 during periods of emis sion-producing activities.

5.8.3 The VOC emission control system shall be operated with an overall capture and control efficiency of at least 90 percent by weight as
determined in Section 6.3.

5.8.4 Use of a VOC emission control sy stem shall not result in emissions in
excess of those that would have be en emitted had the operator complied with the applicable provisi ons of Sections 5.1, 5.2, 5.4, 5.5, 5.6, 5.7,

5.10 or 5.12.

5.8.4.1 The following equation shall be used to determine if the minimum required overall capture and control efficiency of an emission control system is at an equivalent or greater level of
VOC reduction as would be achieved using compliant materials, equipment, or work practices, as stated in Section

5.8.



# ( ) 

# ( ) CE = 1 - VOC

VOC x 1 - VOC / D

1 - c VOC / D x 100 LWc

LWn, LWn, n,

LW c Max Max Max 

## ⎛ ⎝ ⎜ ⎞ ⎠

⎟ ⎡

⎣ ⎢ ⎤

⎦

⎥

Where:

CE = Minimum Required Co ntrol Efficiency, percent

VOC LWc = VOC Limit of Rule 4603, less water and less exempt compounds

VOC LWn,Max = Maximum VOC content of coating (or solvent) used in conjunction with a control device, less water and less exempt compounds

D n,Max = Density of solvent, reducer, or thinner
contained in the nonco mpliant coating (or cleaning solvent), c ontaining the maximum VOC content of the multi-component (or cleaning solvent)

D c = Density of corresponding solvent, reducer, or
thinner used in the compliant coating (or cleaning solvent) system = 880 gm/liter.

SJVUAPCD 4603-22 09/17/095.9 Work Practice Standards

5.9.1 An operator of large appliance parts and products, and metal furniture coating operations shall minimize VO C emissions by co mplying with the work practice standards specified in Sections 5.9.3 through 5.9.6.

5.9.2 Effective on and after January 1, 2011, an operator of metal parts and products coating operations, plastic parts and products coating operations, automotive/transportation and business machine plas tic parts and products coating operations, and pleasure craft co ating operations shall minimize VOC emissions by complyi ng with work practice standards specified in Sections 5.9.3 through 5.9.6.

5.9.3 Store all VOC-containing coatings, thinners, cleaning materials, and waste materials in closed non-absorbent and non-leaking containers. The
containers shall remain closed at all times, except when specifically in

use.

5.9.4 Close mixing vessels that contain VO C coatings and other materials, except when specifically in use.

5.9.5 Minimize spills of any VOC-containing materials and clean up spills immediately.

5.9.6 Convey VOC-containing materials in closed containers or pipes.

5.10 Organic Solvent Cleaning Requirements

5.10.1 An operator shall not use organic solvents for cleani ng operations that
exceed the VOC content limit s specified in Table 6.

5.10.2 An operator shall perform all solv ent cleaning operations with cleaning material having VOC content of 25 g/L or less, unless such cleaning operations are performed within the control of an APCO-approved VOC emission control system that meets the requirements of Section

5.8.

SJVUAPCD 4603-23 09/17/09Table 6 – VOC Content Limits for Organic Solvents Used in Cleaning Operations Limits are expressed as grams of VOC/liter (or pounds of VOC/ga llon) of material Type of Solvent Cleaning Operation VOC Content Limit

A. Product Cleaning Du ring Manufacturing Process or Surface Preparation for Coating Application 25 (0.21)

B. Repair and Maintena nce Cleaning 25 (0.21)
C. Cleaning of Coating App lication Equipment 25 (0.21)

5.11 Solvent Storage a nd Disposal Requirements

An operator shall store or dispose of fresh or spent solv ents, waste solvent cleaning materials such as cloth, paper, etc, coatings, adhesives, catalysts, and thinners in closed, non-absorbent and non- leaking containers. The containers shall remain closed at all times except when depositing or removing the contents
of the containers or when the container is empty.

5.12 Application Equipment Re quirements: An operator sh all not use or operate any coating application equipment on any meta l parts and products, large appliances parts and products, me tal furniture, plastic parts and products, automotive/transportation a nd business machine plastic parts and products, and pleasure crafts subject to the provisions of this rule unless one of the following
methods is used:

5.12.1 Electrostatic application;

5.12.2 Electrodeposition;

5.12.3 High-Volume, Low-Pr essure (HVLP) spray,

5.12.3.1 High-Volume, Low-Pressure (HVLP) spray equipment shall be operated in accordance with the manufacturer's

recommendations.

5.12.3.2 For HVLP spray guns manuf actured prior to January 1, 1996, the end user shall dem onstrate that the gun meets HVLP spray equipment standards. Satisfactory proof will
be either in the form of ma nufacturer's published technical material or by a demonstration using a certified air pressure

SJVUAPCD 4603-24 09/17/09tip gauge, measuring the air at omizing pressure dynamically at the center of the air cap and at the air horns.

5.12.3.3 A person shall not sell or offer for sale for use within the District any HVLP spray gun without a permanent marking denoting the maximum inlet air pr essure in psig at which the gun will operate within the para meters specified in Section

3.0.

5.12.4 Flow coating;

5.12.5 Roll coating;

5.12.6 Dip coating;

5.12.7 Brush coating; or

5.12.8 Continuous coating;

5.12.9 Any other coating a pplication method which is demonstrated to the APCO to be capable of achieving at leas t 65 percent transfer efficiency. The transfer efficiency shall be de termined in accordance with the SCAQMD method “Spray Equi pment Transfer E fficiency Test Procedure for Equipment User,” May 24, 1989, as contained in Section 6.3.8. Prior written appr oval from the APCO shall be obtained for each coating applicati on method to be used pursuant to
Section 5.12.9.

5.12.10 In lieu of compliance with Sec tions 5.12.1 through 5.12.9 an operator may control emissions from app lication equipment with a VOC emission control system that meets the requirements of Section 5.8.

5.12 Prohibition of Specification

No person shall solicit or re quire for use or specify th e application of a coating subject to this rule if such use or application results in a violation of any of the provisions of this rule. The prohibition of this Section shall apply to all written
or oral contracts under the terms of whic h any coating is to be applied to any metal part or product at any physical location within the District.

SJVUAPCD 4603-25 09/17/096.0 Administrative Requirements

6.1 Labeling Requirements

6.1.1 Coating VOC Content

Each container or accompa nying data sheet of any co ating subject to this rule shall display the maximum VOC c ontent of the coating, as applied, and after any thinning as recommended by the manufacturer. VOC content shall be displayed as gram s of VOC per liter of coating (less water and exempt compounds). VOC content displayed may be calculated using product formulation data, or may be determined using
the test method in Section 6.3. For determination of compliance and
enforcement of the limits specified in Section 5.0 of this rule, the VOC content of any coating determined to exceed its applic able limit through the use of either product formulation da ta or the test method in Section
6.3.1 shall constitute a vi olation of this rule.

6.1.2 Thinning Recommendations

Each container or accompa nying data sheet of any co ating subject to this rule shall display a statement of the manufacturer's recommendation regarding thinning of the coating. This requi rement shall not apply to the thinning of coa tings with water.

6.1.3 Solvent Compliance Statement Requirements

Manufacturers of any solvents subject to this rule shall indicate on the solvent container, or on a separate product data sh eet or material safety data sheet, the name of the solvent, manufacturer's name, the VOC content, and density of the solvent, as supplied. The VOC content shall be expressed in units of gm/liter or lb/gallon.

6.2 Recordkeeping

An operator subject to Section 5.0 or ex empt by Sections 4.1, 4.8.5, 4.8.9 and 4.9 shall comply with the following requirements:

6.2.1 Maintain a current list of coatings and solvents in use which contains all of the coating data ne cessary to evaluate compliance, including the following information, as applicable:

6.2.1.1 mix ratio of components used,

SJVUAPCD 4603-26 09/17/096.2.1.2 VOC content and specific chem ical constituents of coatings as applied, and

6.2.1.3 VOC content and specific chemical constituents of solvents used for surface preparation and cleanup.

6.2.2 Maintain daily records which include the following information:

6.2.2.1 volume coating/solvent mix ratio,

6.2.2.2 VOC content (lb/ gal or grams/liter) and, for dip coating operations, viscosity (cSt) of coating,

6.2.2.3 volume of each coat ing used (gallons), and

6.2.2.4 quantity of cleanup solvent used (gallons).

6.2.3 VOC Emission Cont rol System Records

An operator using a VOC emission c ontrol system pursuant to Section 5.8 as a means of complying with this rule shall maintain records of key system operating para meters which will de monstrate continuous operation and compliance of the emi ssion control system during periods of emission producing ac tivities. Key system operating para meters are those necessary to ensure complianc e with VOC limits. The parameters include, but are not limited to, temper atures, pressures, and flowrates.

6.2.4 Consistent records may be kept in grams/l iter and liters instead of pounds/gallon and gallons. An operator of a stati onary source subject to
this rule shall maintain su ch records on a daily basis. An operator that is subject to the exemption of Section 4.1 shall maintain usage records of non-compliant coatings on the days that such non-compliant coatings are

used.

6.2.5 The operator shall retain the record s specified in Sections 6.2.1 through 6.2.4, as applicable, on si te for a period of five years, make the records available on site during normal bus iness hours to the APCO, ARB, or
EPA and submit the records to th e APCO, ARB, or EPA upon request.

SJVUAPCD 4603-27 09/17/096.3 Test Methods

The following test methods shall be us ed to determ ine compliance with the provisions of this ru le. Alternate test methods may be used provided they are approved by the APCO , ARB, and EPA.

6.3.1 VOC content of coati ngs and solvents shall be analyzed by EPA Method 24 and analysis of halogenated exempt compounds shall be analyzed by
ARB Method 422.

6.3.2 Emissions of VOC sh all be measured by EPA Method 25, 25A, or 25B, as applicable, and analys is of halogenated exem pt compounds shall be analyzed by ARB Method 422.

6.3.3 The viscosity of coati ngs used for dip coating of steel joists as specified in Section 5.1.3 of this rule, shall be determined by using ASTM D5478-
98 or ASTM D5125-97.

6.3.4 The quantification of coating as a metallic/iridescen t topcoat shall be determined by SCAQMD Me thod 318 (Determination of Weight Percent of Elemental Metal in Coatings by X-ray Diffraction Method), July

1996.

6.3.5 Acid Content: Measurement of acid content of pre-treatment wash primers shall be conducted and reported in accordance with ASTM D1613-96, Standard Test Method for Acidity in Volatile Solvents and
Chemical Intermediates Us ed in Paint, Varnish, Lacquer, and Related

Products.

6.3.6 Determination of emissions of VOC from spray gun cleaning systems
shall be made usi ng SCAQMD “General Method for Determining Solvent Losses from Spray Gun Clea ning Systems,” da ted October 3,

1989.

6.3.7 Determination of Overall Capt ure and Control Efficiency of VOC Emission Control Systems shall be made using the following methods:

6.3.7.1 The capture efficiency of a VOC emission control system’s collection device shall be determined according to EPA’s “Guidelines for Determining Ca pture Efficiency,” January 9, 1995 and 40 CFR 51, Appendi x M, Methods 204-204F, as applicable.

SJVUAPCD 4603-28 09/17/096.3.7.1.1 Capture Efficiency, in percent, is the ratio of the weight of VOC in the effluent stream entering the control device to the weight of VOC emitted from coating operations that are subject to this rule, both measured simultaneously, sh all be calculated by the following eq uation:

Capture Efficiency (%) = (Wc ÷ We) x 100

Where:

Wc = weight of VOC en tering the c ontrol device

We = weight of VOC emitted

6.3.7.2 The control efficiency of a VOC emission control system’s
VOC control device shall be dete rmined using EPA Methods 2, 2A, or 2D for measuring flow rates and EPA Methods 25, 25A, or 25B for measuring total gaseous organic concentrations
at the inlet and outlet of the control device. EPA Method 18 or
ARB Method 422 shall be used to determine the emissions of exempt compounds.

6.3.7.2.1 Control Efficiency, in percent, is the ratio of the weight of VOC removed by the control device from the effluent stream entering the control device to the weight of VOC in the effluent stream entering the control device, both measured simultaneously, shall be calculated by the fo llowing equation:

Control Device Efficiency (%) = [(Wc-Wa) ÷ Wc] x 100

Where:

Wc = weight of VOC entering the control device

Wa = weight of VOC discharged from the control device

SJVUAPCD 4603-29 09/17/096.3.7.3 For VOC emission control syst ems that consist of a single VOC
emission collection device connect ed to a single VOC emission control device, the overall captur e and control efficiency shall be calculated by using the following equation:

CE Capture and Control = [ CE Capture x CE Control ] / 100

Where:
CE Capture and Control = Overall Capture and Control Efficiency, in

percent CE Capture = Capture Efficiency of the collection device, in percent, as determ ined in Section 6.3.7.1
CE Control = Control Efficiency of the control device, in percent, as determined in Section 6.3.7.2.

6.3.8 The transfer efficiency of alternative coating application methods pursuant
to Section 5.12.9 shal l be determined in accordance with the SCAQMD Method “Spray Equipmen t Transfer Efficiency Test Procedure for Equipment User,” May 24, 1989.

6.4 Multiple Test Methods

When more than one test method or set of test methods is specified for any testing, a violation of any requirement of this rule established by any one of the specified test methods or se t of test methods shall cons titute a violation of this
rule.

SJVUAPCD 4603-30 09/17/09