Santa Barbara County APCD Rule 337 337 - 1 October 20, 1994[ date of amended rule adoption ] RULE 337. SURFACE COATING OF AIRCRAFT OR AEROSPACE VEHICLE S PARTS AND

PRODUCTSCOMPONENTS . (Adopted 7/10/1990, revised 7/24/1990

, and 10/20/1994 , and [ date of amended rule adoption ] )

A. Applicability

This rule is applicable to any person who manufactures

, any aerospace vehicle coating or aerospace component coating for use within the District, as well as any person who uses, applies

, or specifies solicits

the use or application of any aerospace vehicle or component surface coating s or associated solvent within

the Districtfor aircraft or aeros pace vehicle parts and products

. Rule 337 does not apply to electronic

components.

B. Exemptions

1. The provisions of Section D .1 shall not apply to any non-complying coatings with separate formulations used in volumes of less than 20 gallons of each non-complying formulation per stationary source in any calendar year

. provided that To qualify f or this exemption from Section
D.1, the total volume of non-complying coatings used at a stationary source does not exceed 200 gallons annually. Coatings used for operati ons that are exempt per Sections B.2

, and B.3 , B.6, B.8, B.11, B.12, and B.13 shall not be included in calculating the volume of coatings used under this exemption. Any person claiming this exemption shall maintain on a monthly daily basis an annual running total of the volume of each separate formulation of coating used under this exemption records consistent with Section H.7 and make them available to the District for review

upon request

. These coatings shall be subject to the records required by Section H.

2. The provisions of Section E

. and H shall not apply to touch-up and repair , provided Section D.1

limits are met and records are maintaine d pursuant to a Permit to Operate

.

3. T he provisions of t his rule shall not apply to coatings (including adhesive products and sealant products) supplied in non-refillable as aerosol products in non-refillable containers with capacities

of 18 ounces or less

.

4. Any coating and associated solvent subject to the requirements of this rule shall be exempt from the requirements of Rule 317 , Organic Solvents, and Rule 322 , Metal Surface Coating Thinner and

Reducer

. Any coating exempt from this ru le shall comply with all other applicable District Rules.

5. This rule shall not apply to any cleaning perf ormed with a solvent (including emulsions) that contains two percent by weight or less of each of the following:

a. Reactive organic compounds, and

b. Toxic air contaminants (as determined by ge neric solvent data, solvent manufacturer’s composition data or by a gas chromatography test and a mass spectrometry test).

c. Any person claiming this exemption shall maintain the records specified in Sections

H.1.a and H.1.f in a manner consistent with Section H.9 and make them available for

review.

6. This rule shall not apply to coatings that contai n less than 20 grams of reactive organic compound per liter (0.17 pounds of reactive organic compound per gallon) of coating, less water and less exempt compounds, as applied.

7. Section D.2 and J.1.a shall not apply to solvents and strippers used in space vehicle manufacturing

and rework.Santa Barbara County APCD Rule 337 337 - 2 October 20, 1994[ date of amended rule adoption ] 8. This rule shall not apply to chemical millin g and electrodeposition (excep t for electrodeposition of coatings).

9. Section J.1.a shall not apply to any of the following:

a. Cleaning of encasements, including dec oy shells or box casings, for electronic components that have a total surface area that is less than 2 square feet;

b. Cleaning of parts, subassemblies, or assemb lies that are exposed to strong oxidizers or reducers (e.g., nitrogen tetroxide, liquid oxygen, or hydrazine);

c. Cleaning of aircraft transparencies, polycarbonate, or glass substrates;

d. Cleaning of solar cells, coated optics, lase r hardware, scientific instruments, highprecision optics, telescopes, microscopes, avi onic equipment, military fluid systems, and thermal control surfaces;

e. Wipe cleaning during the manufacture, a ssembly, installation, maintenance, or testing of components of breathing oxygen systems that are exposed to the breathing oxygen;

f. Wipe cleaning and surface activ ation prior to adhesive bonding;

g. Wipe cleaning of aircraft and ground support equipment fluid systems that are exposed to the fluid, including air-to-air heat ex changers and hydraulic fluid systems;

h. Wipe cleaning of fuel cells, fu el tanks, and confined spaces

.

10. Section E shall not apply to any of the following:

a. Any situation that normally requires the use of an airbrush or an extension on the spray gun to properly reach limited access spaces;

b. The use of airbrush applicatio n methods for stenciling, letteri ng, and other identification markings.

11. The chemical milling maskant limits in Sect ion D.1, Table 337-1, shall not apply to any of the following:

a. Touch-up of scratched surfaces or damaged maskant;

b. Touch-up of trimmed edges.

12. Section D.1 shall not apply to electric- and ra diation-effect coatings that have been designated as “classified” by the United Stat es Department of Defense.

13. This rule shall not apply to coatings (includi ng adhesive products and sealant products) subject to the Air Resources Board consumer products regulat ion found in Title 17 of the California Code of Regulations, sectio n 94507 et seq.

14. Sections D.2 and J.1.a shall not apply to any of the following:

a. Cleaning or stripping of coating overspray from personal protective equipment;

b. Wipe cleaning or stripping during fabricatio n, assembly, installation, and maintenance of upholstery, curtains, carpet, and ot her textile materials used in the interior of the aircraft;Santa Barbara County APCD Rule 337 337 - 3 October 20, 1994[ date of amended rule adoption ] c. Wipe cleaning or stripping of metallic an d nonmetallic materials used in honeycomb cores during the manufacture or maintenance of these cores, and cleaning of the completed cores used in the manufacture of aerospace vehicles or components.

C. Definitions

See Rule 102 , Definitions, for definitions not restricted to interpret ation of limited to this rule. Definitions specific to this rule are listed b elow. For purposes of this rule, the following definitions shall apply:

“Ablative Coating” means any coating that chars when exposed to open flame or extreme temperatures, as would occur during the failure of an engine ca sing or during aerodynamic heating. The ablative char surface serves as an insulative barrier, protecting adjacent components from the heat or open flame.

“Adhesion Promoter” means any very thin coating applied to a substrate to promote wetting and form a chemical bond with the subsequently applied material.

“Adhesive” means any substance that is used to bond one surface to another surface by attachment or fused union. Adhesives are a ty pe of specialty coating.

1. “Adhesive Bonding Primer” means a ny coating primer applied in a very thin film to aircraft or

aerospace parts or products components for the primary purpose of providing a primer for a subsequent

coat of structural adhesive corrosion inhibition and increased adhesive bond strength by attachment

.

“Adhesive Product” means any adhesive, glue, cement, mastic, adhesive bonding primer, adhesive primer, adhesive primer for plastics, and any other adhesive primer. Adhesive products are a type of coating.

“Aerospace Vehicle or Component” means any fabricated part, processed part, assembly of parts, or completed unit, with the exception of electronic components, of any air craft including but not limited to airplanes, helicopters, missiles, rockets , and space vehicles includes satellites.

2. “Aircraft or Aerospace Vehicle” means a fabricated part, assemb ly of parts or completed unit of any aircraft, helicopter, missile or space vehicle.

“Aircraft Fluid Systems” mean those systems that handle hydraulic fluids, fuel, cooling fluids, or oils.

“Aircraft Transparency” means the aircraft windshield, ca nopy, passenger windows, lenses and other components which are constructed of transparent materials.

“Airless Spray” means a spray method in which a pump for ces the adhesive throu gh an atomizing nozzle at high pressure (1,000 to 6,000 pounds per square inch).

“Antichafe Coating” means any coating applied to areas of mo ving aerospace components that may rub during normal operations or installation.

“Associated Solvent” means any solvent used in a solvent cleaning machine or for solvent cleaning performed in association with surface coating of any aerospace vehicle or aerospace component.

“Barrier Coating” means any coating applied in a thin film to fasteners to inhibit dissimilar metal corrosion and to prevent galling.

“Bearing Coating” means any coating applied to an antifri ction bearing, a bearing housing, or the area adjacent to such a bearing in order to facilitate bearing func tion or to protect base ma terial from excessive

wear. A material shall not be classifi ed as a bearing coating if it can al so be classified as a dry lubricative

material or a solid film lubricant.Santa Barbara County APCD Rule 337 337 - 4 October 20, 1994[ date of amended rule adoption ] “Bonding Maskant” means any temporary coating used to pro tect selected areas of aerospace parts from strong acid or alkaline solutions during processing for bonding.

“Caulking and Smoothing Compounds” mean semi-solid materials which are applied by hand application methods and are used to aerodynamically smooth exterior vehi cle surfaces or fill cavities such

as bolt hole accesses. A material shall not be classi fied as a caulking and smoothing compound if it can

also be classified as a sealant.

“Chemical Agent

- Resistant Coating” means any exterior topcoat desi gned to withstand exposure to chemical warfare agents or the decontaminants used on these agents.

“Chemical Milling Maskant” means any coating that is applied directly to aluminum components to protect surface areas when chemical milling the compone nt with a Type I or Type II etchant. Type I chemical milling maskants are used with a Type I etcha nt and Type II chemical milling maskants are used with a Type II etchant. This de finition does not include bonding mask ants, critical use and line sealer maskants, and seal coat maskants. Additionally, mask ants that must be used with a combination of Type I or II etchants and any of the above types of maskants (i.e., bonding, critical use and line sealer, and seal coat) are not included. Maskants that are defined as specialty coatings are not included under this definition. Section C provides defin itions of Type I and Type II etchants.

“Cleaning Operation” means collectively spray-gun, hand-wip e, and flush cleaning operations.

“Cleaning Solvent” means any liquid material used for ha nd-wipe, spray gun, or flush cleaning. This definition does not include any solution that contai ns no reactive organic compounds and no toxic air

contaminants.

“Clear Coating” means a transparent coating usually applie d over a colored opaque coating, metallic substrate, or placard to give improved gloss and protect ion to the color coat. In some cases, a clear coat refers to any transparent coating without regard to substrate.

“Coating” means any material that is applied to the surface of an aerospace vehicle or component to form a decorative, protective, or functional solid film, or the solid film it self. Adhesives, sealants, and lubricative material are types of specialty coatings.

“Commercial Exterior Aerodynamic Structure Primer” means any primer used on aerodynamic components and structures that protrude from the fusela ge, such as wings and attached components, control surfaces, horizontal stabilizers, ver tical fins, wing-to-body fairings, anten nae, and landing gear and doors, for the purpose of extended corrosion pro tection and enhanced adhesion.

“Commercial Interior Adhesive” means any material used in the bonding of passenger cabin interior components. These components must meet the Fe deral Aviation Administration fireworthiness requirements.

“Compatible Substrate Primer” includes two categories: “compatible epoxy primer” and “adhesive primer.” “Compatible epoxy primer” means any primer that is compatib le with the filled elastomeric coating and is epoxy based. The compatible substrate primer is an epoxy-polyamide primer used to promote adhesion of elastomeric coatings such as impact-resistant coatings. “Adhesive primer” means any coating that (1) inhibits corrosion and serves as a primer applied to bare metal surfaces or prior to adhesive application, or (2) is appl ied to surfaces that can be expected to contain fuel. Fuel tank coatings are excluded from this category.

“Compliant Material” means any coating, stripper, or solvent that has a reactive organic compound content or composite partial pressure that complies with the applicable limit in Sections D.1, D.2, or J.1

“Confined Space” means any space that (1) is large enough and so configured that an employee can bodily enter and perform assigned work; (2) has limited or restricted means f or entry or exit (for example, fuelSanta Barbara County APCD Rule 337 337 - 5 October 20, 1994[ date of amended rule adoption ] tanks, fuel vessels, and other spaces that have limited means of entry); and (3) is not suitable for continuous employee occupancy.

“Contact Bond Adhesive” or “Contact Adhesive” means any adhesive intended by the manufacturer to adhere to itself instantaneously upo n contact. The adhesive is applied to both adherends and allowed to become dry, which develops a bond wh en the adherends are brought together without sustained pressure. for application to both surfaces to be bonded together, is allowed to dr y before the two surfaces are placed in contact with each other, forms an immediate bond that is impossible, or difficult, to reposition after both adhesive-coated surfaces are placed in contact with each other, and does not need sustained pressure or clamping of surfaces after the adhesive-coated surf aces have been brought together using sufficient momentary pressure to establish fu ll contact between both surfaces. Contact adhesive does not include rubber cements that are primarily in tended for use on paper substrates. Contact adhesive also does not include vulcanizing fluids that are desi gned and labeled for tire repair only.

“Contact Bond Adhesive

- Specialty Substrates” or “Specialty Contact Adhesive” means any contact adhesive that is intended by the manufacturer to be used for the bonding of nonporous substrates to each other, the bonding of decorative lami nate in post-forming ap plication, the bonding of decorative laminate to metal, melamine-covered board, or curved surfaces, or the bonding of any substrate to metal, rubber, rigid plastic, or wood veneer not exceeding 1/16 inch in thickness.

“Control” means the reduction, by destruction or removal, of the amount of affected pollutants in a gas stream prior to discharge to the atmosphere.

“Control System” means any combination of pollutant capture system(s) and control device(s) used to reduce discharge to the atmosphere of reactive orga nic compound or toxic air contaminant emissions generated by a regulated operation.

“Corrosion Prevention System” means any coating system that provides corrosion protection by displacing water and penetrating ma ting surfaces, forming a protective barrier between the metal surface and moisture. Coatings and compounds containing oils or waxes are excluded from this category.

“Critical Use and Line Sealer Maskant” means any temporary coating, not covered under other maskant categories, used to protect selected areas of aerospace parts from strong acid or alkaline solutions such as those used in anodizing, plating, chem ical milling and processi ng of magnesium, titanium, or high-strength steel, high-precision aluminum chemical milling of deep cuts, and aluminum chemical milling of complex shapes. Materials used for repairs or to bridge gaps left by scribing operations (i.e., line sealer) are also included in this category.

“Cryogenic Flexible Primer” means any primer designed to provide corros ion resistance, flexibility, and adhesion of subsequent coating systems when exposed to loads up to and surpassi ng the yield point of the substrate at cryogenic temperatures (minus 275 degrees Fahrenheit and below).

“Cryoprotective Coating ” means any coating that insulates cryogenic or subcooled surfaces to limit propellant boil-off, maintain structural integrity of met allic structures during ascent or re-entry, and prevent

ice formation.

“Cyanoacrylate Adhesive” means any fast-setting, single component adhesive that cures at room temperature. Also known as "super glue."

“Depainting” means the removal of a permanent coating from the outer surface of an aerospace vehicle or

component.

“Depainting Operation” means the use of a chemical agent, med ia blasting, or any other technique to remove permanent coatings from the outer surface of an aerospace vehicle or components. The depainting operation includes washing of the aerospace vehicle or co mponent to remove residual stripper, media, or coating residue.Santa Barbara County APCD Rule 337 337 - 6 October 20, 1994[ date of amended rule adoption ] 3. “Detailing or Touch

- up Guns” mean any are small air spray equipment, including air brushes, that operate at no greater than 5 CFM cubic feet per minute air flow and no greater than 50 pounds per square inch gauge (Psig) air pressure and are used to coat small products or portions of products.

“Dip Coat Application” means any process in which a substrate is immersed in a solution (or dispersion) containing the coating material, and then withdrawn.

“Dry Lubricative Material” means any coating consisting of lauric acid, cetyl alcohol, waxes, or other non-cross linked or resin-bound materials which act as a dry lubricant.

4. “Interior Topcoat” means a topcoat used in habitable interior spaces of aircraft.

5. “Electric -/ or Radiation - Effect Coating s ” mean s an electrically conductive or insulative coating, or coatings used on radar and antennae enclosuresany coating or coating system engineered to interact, through absorption or reflection, with specific regions of the electromagnetic energy spectrum, such as the ultraviolet, visible, infrared, or microwave regions. Uses include, but are not limited to, lightning strike protection, electromagnetic pulse protection, and radar avoidance.

“Electrodeposition” means the application of a coating using a water-based electrochemical bath process. The component being coated is immersed in a bath of the coating. An electric potential is applied between the component and an oppositely char ged electrode hanging in the bath. The electric potential causes the ionized coating to be electrically attracted, migr ated, and deposited on the component being coated.

“Electrostatic Discharge and Electromagnetic Interference Coating” means any coating applied to space vehicles, missiles, aircraft radomes, and helicopter blades to disperse static energy or reduce electromagnetic interference.

6. “Electrostatic Application” means using a sufficient charging of atomized paint droplets to cause deposition by electrostatic attraction. This appli cation requires a minimu m 60kV power supply.

“Elevated -Temperature Skydrol- Resistant Commercial Primer” means any primer applied primarily to commercial aircraft (or commercial aircraft adapted for military use) that must withstand immersion in phosphate-ester (PE) hydraulic flui d (Skydrol 500b or equivalent) at the elevated temperature of 150 degrees Fahrenheit for 1,000 hours.

“Epoxy Polyamide Topcoat” means any coating used where harder films ar e required or in some areas where engraving is accomplished in camouflage colors.

7. “Exempt Organic Compounds” means those compounds listed as exceptions in the definition of

“ Reactive Organic Compounds ” in Rule 102.

“Exterior Primer” means the first layer and any subsequent layers of identically formulated coating applied to the exterior surface of an aerospace vehicle or component where the component is used on the exterior of the aerospace vehicle. Exterior primers are typically used for corrosion prevention, protection from the environment, functional fluid resistance, and adhesion of subsequent exter ior topcoats. Coatings that are defined as specialty coatings ar e not included under this definition.

8. “Extreme Performance Interior Topcoat” means a topcoat used in interior spaces of aircraft areas requiring a fluid, stain

, or nicotine barrier.

“Fastener Manufacturer” means any stationary source that coats aircraft fasteners, such as pins, collars, bolts, nuts, and rivets, with solid-film lubricants for distribution.

“Fastener Sealant” means any sealant applied to a device us ed to join two or more parts together.Santa Barbara County APCD Rule 337 337 - 7 October 20, 1994[ date of amended rule adoption ] 9. “Fire Insulation-Resistant (Interior) Coating” means : a coating used to provide a layer of

insulation in the event of an aircraft or engine fire.

1. For civilian aircraft, any coating used on passen ger cabin interior parts that are subject to

the Federal Aviation Administration fireworthiness requirements.

2. For military aircraft, any coating used on parts that are subject to the flammability requirements of MIL-STD-1630A and MIL-A-87721.

3. For space applications, any coating used on parts that are subject to the flammability requirements of SE-R-0006 and SSP 30233.

“Flexible Primer” means any primer that meets fl exibility requirements such as those needed for adhesive bond primed fastener heads or on s urfaces expected to contain fuel. The flexible coating is required because it provides a compatible, flexible substrate over bonded sheet rubber and rubber-type coatings as well as a flexible bridge between the fasteners, skin, and skin-to-skin joints on outer aircraft skins. This flexible bridge allows more topcoat flexibility aro und fasteners and decreases the chance of the topcoat cracking around the fasteners. The re sult is better corrosion resistance.

“Flight Test Coating” means any coating applied to aircraft other than missiles or single-use aircraft prior to flight testing to protect the aircraft from corros ion and to provide required marking during flight test

evaluation.

“Flow Coat Application” means any coating applicati on system, with no air supplied to the nozzle, where paint flows over the part and the excess coat ing drains back into the collection system.

“Flush Cleaning” means the removal of contaminants such as dirt, grease, oil, and coatings from an aerospace vehicle or component or a pplication equipment by passing solv ent over, into, or through the item being cleaned. The solvent may si mply be poured into the item bein g cleaned and then drained, or be assisted by air or hydraulic pressure, or by pumping . Hand-wipe cleaning operations where wiping, scrubbing, mopping, or other hand actions are used are not included.

“Fuel Tank Adhesive” means any adhesive used to bond comp onents exposed to fuel and must be compatible with fuel tank coatings.

10. “Fuel Tank Coating” means a ny coating applied to the interior of a fuel tank components or to fuel wetted areas of aircraft to protect it from for the purpose of corrosion and/or bacterial gr owth inhibition

and to assure sealant adhesion in extreme environmental conditions

.

11. “Grams of ROC Reactive Organic Compound per Liter of Coating

, Less Water and Less Exempt Compounds” means the weight of ROC reactive organic compound per combined volume of ROC reactive organic compound and coating solids and can be calculated by the following equation:



### W

s 

### - W

w 

### - W

es 

### Grams(lb) of ROC / l(gal) of coating =

V

m 

### - V

w 

### - V

es

Grams of reactive organic compounds W

s - W

w - W

es per liter of coating, less water and less = exempt compounds V

m - V

w - V

es

Where: W

s = Weight of volatile compounds (including water) in grams

W

w = Weight of water in grams

W

es = Weight of exempt organic compounds in grams

V

m = Volume of material in liters

V

w = Volume of water in litersSanta Barbara County APCD Rule 337 337 - 8 October 20, 1994[ date of amended rule adoption ] V

es = Volume of exempt organic compounds in liters

For aerospace coatings that contain reactive diluents, the grams of reactive organic compound per liter of coating, less water and less exempt compounds, sh all be calculated by th e following equation:

Grams of reactive organic compounds W

rs - W

rw - W

re per liter of coating, less water and less = exempt compounds V

rm - V

rw - V

re

Where: W

rs = Weight of volatile compounds not consumed during curing in grams

W

rw = Weight of water not consumed during curing in grams

W

re = Weight of exempt compounds not consumed during curing in grams

V

rm = Volume of material not consumed during curing in liters

V

rw = Volume of water not consumed during curing in liters

V

re = Volume of exempt compounds not consumed during curing in liters

12. “Hand Application Method” means the application of a surface coating by manually held nonmechanically operated equipment. Such equipmen t includes paint brush, hand-roller, trowel, spatula, dauber, rag or sponge.

“Hand

- Wipe Cleaning Operation” means the removal of contaminants such as dirt, grease, oil, and coatings from an aerospace vehicle or component by physi cally rubbing it with a material such as a rag, paper, or cotton swab that has been moistened with a cleaning solvent.

13. “High Temperature Coating” means a ny coating that, during normal use, must designed to withstand temperatures in excess of more than 350 °F degrees Fahrenheit

.

14. “High Volume Low Pressure Spraying” means using spray equipment with air pressure between 0.1 and 10.0 psi and air volume great er than 15.5 cfm per spray gun.

“Insulation Covering” means any material that is applied to foam insulation to protect the insulation from mechanical or environmental damage.

“Interior Topcoat” means any topcoat used inhabitab le interior spaces of aircraft.

“Intermediate Release Coating” means any thin coating applied beneath topcoats to assist in removing the topcoat in depainting operations and generally to allow the use of less hazardous depainting methods.

“Lacquer” means any clear or pigmented coating formulated with a nitrocellulose or synthetic resin to dry by evaporation without a chemical reaction. Lacquers are resoluble in their original solvent.

“Limited Access Space” means any internal surfaces or passages of an aerospace vehicle or component

that cannot be reached without the aid of an airb rush or a spray gun extension for the application of coatings.

15. “Maskant

- Chemical Processing” means a coating applied directly to a part to protect surface areas when chemical milling, anodizing, aging, bon ding, plating, etching and/or performing other chemical operations on the surface of the part.

“Long Term Adhesive Bonding Primer” means any adhesive bonding prim er that has met the aircraft manufacturers’ required performance characteristics following 6,000 hours testing, used for metal to structural core bonding, and with an adhesive that is specified to be cured at a temperature of 350 degrees Fahrenheit plus or minus 10 degrees Fahrenheit.

“Metalized Epoxy Coating” means any coating that contains relatively large quantities of metallic pigmentation for appearance and/or added protection.Santa Barbara County APCD Rule 337 337 - 9 October 20, 1994[ date of amended rule adoption ] “Mold Release” means any coating applied to a mold surface to prevent the molded piece from sticking to

the mold as it is removed.

“Natural Draft Opening” means any opening in a room, building, or total enclosure that remains open during operation of the facility and that is not connected to a duct in which a fan is installed. The rate and direction of the natural draft through such an opening is a consequence of the difference in pressures on either side of the wall containing the opening.

“N on- Complying Coating” means a coating with a reactive or ganic compound content above a limit specified in Section D.1.

“Noncompliant Material” means any coating, stripper, or solv ent that has a reactive organic compound content or composite partial pressure that does not comply with the applicable limit in Sections D.1, D.2, or

J.1.

“Nonstructural Adhesive” means any adhesive that bonds nonload bearing aerospace components in noncritical applications and is not covered in any other sp ecialty adhesive categories.

“Optical Anti

- Reflective Coating” means any coating with a low reflectance in the infrared and visible wavelength ranges that is used for antireflection on or near optical and laser hardware.

“Part Marking Coating” means any coatings or inks used to ma ke identifying markings on materials, components, and/or assemblies. These markings may be either permanent or temporary.

16. “Pretreatment Wash PrimerCoating ” means a any organic coating which that contains a small quantity of at least 0.5 percent acid s by weight for surface etching and is applied directly to metal or composite surfaces to provide surface etching, corrosion resistance, adhesion

, and ease of stripping.

17. “Primer” means a the first layer and any subsequent layers of identically formulated coating applied directly to a part for purposes of to the surface of an aerospace vehicle or component. Primers are typically used for corrosion prevention, protection from the e nvironment, functional fluid resistance

, and /or adhesion of subsequent coatings. Primers that are defined as specialty coatings are not included under this

definition.

“Radome” means the nonmetallic protective housing for el ectromagnetic transmitters and receivers (e.g., radar, electronic countermeasures, etc.).

“Rain Erosion- Resistant Coating” means any coating or coating system us ed to protect the leading edges of parts such as flaps, stabilizers, radomes, engine in let nacelles, etc. against erosion caused by rain impact during flight.

“Reactive Diluent” means a liquid which is a reactive orga nic compound during application and one in which, through chemical and/or physi cal reactions, such as polymer ization, 20 percent or more of the reactive organic compound becomes an integral part of a finished material.

“Remanufactured Commercial Aircraft Part” means any aerospace component that is built as a spare part or replacement part subject to an existing commercial aircraft specification.

18. “Repair” means recoating of previously coated produc t due to damage to the coating following normal painting operations.

“Rocket Motor Bonding Adhesive” means any adhesive used in rocket motor bonding applications.

“Rocket Motor Nozzle Coating” means any catalyzed epoxy coating syst em used in elevated temperature applications on rocket motor nozzles.Santa Barbara County APCD Rule 337 337 - 10 October 20, 1994[ date of amended rule adoption ] “Rubber

- Based Adhesive” means any quick setting contact ceme nt that provides a strong, yet flexible bond between two mating surfaces that ma y be of dissimilar materials.

“Scale Inhibitor” means any coating that is applied to the surface of a part prior to thermal processing to

inhibit the formation of scale.

“Screen Print Ink” means any ink used in screen printing processes during fabrication of decorative

laminates and decals.

“Seal Coat Maskant” means any overcoat applied over a mask ant to improve abrasion and chemical resistance during production operations.

19. “Sealant” means a ny coating material used to prevent the intrusion applied for the purpose of filling voids and providing a barrier against penetration of water, fuel , air, or other fluids or vaporsliquids

or solids from certain areas of ae rospace vehicles or components

. There are two categories of sealants: extrudable/rollable/brushable sealants and sprayable seal ants. Sealants are a type of specialty coating.

20. “Sealant Bonding Primer” means a coating applied in a very thin film to a part or product for the purpose of providing a primer for a s ubsequent coat of silicone sealant.

“Sealant Product” means any sealant and sealant primer. Sealant products are a type of coating.

21. “ Self PrimingSelf-Priming Topcoat” means a ny coating topcoat that is applied directly to a part or product that is not subsequently overcoatedan uncoa ted aerospace vehicle or component for purposes of corrosion prevention, environmental protection, and fun ctional fluid resistance. More than one layer of identical coating formulation may be applied to the vehicle or component

.

“Short Term Adhesive Bonding Primer” means any adhesive bonding primer that has met the manufacturers’ required p erformance characteristics following 1,000 hours testing, used for metal to metal and metal to structural core bonding, and with an adhe sive which is specified to be cured at a temperature of 350 degrees Fahrenheit plus or minus 10 degrees Fahrenheit.

“Silicone Insulation Material” means any insulating material appl ied to exterior metal surfaces for protection from high temperatures caused by atmospheric friction or engine exhaust. These materials differ from ablative coatings in th at they are not “sacrificial.”

“Solid Film Lubricant” means any very thin coating consisting of a binder syst em containing as its chief pigment material one or more of the following: mol ybdenum, graphite, polytetr afluoroethylene (PTFE), or other solids that act as a dry lubricant between faying surfaces.

“Solids” mean the non-volatile portion of the coatin g which after drying makes up the dry film.

“Solvent” means any liquid containing any reactive organic compound or any toxic air contaminant, which is used as a diluent, thinner, dissolver, viscosity reduce r, cleaning agent, drying ag ent, preservative, or other

similar uses.

“Solvent Cleaning” means any activity, operation, or process (i ncluding, but not limited to, surface preparation, cleanup, or wipe cleaning) performed outside of a solvent cleaning machine, that uses solvent to remove uncured adhesives, uncured coatings, uncur ed inks, uncured polyester resin material, uncured sealant, or other contaminants, inclu ding, but not limited to, dirt, soil, oil, lubricants, coolants, moisture, fingerprints, and grease, from parts, products, tools, machinery, application equipment, and general work areas. Cleaning spray equipment used for the application of coating, adhesive, ink, polyester resin material,

or sealant is also considered to be solvent cleani ng irrespective of the spray material being cured.

“Solvent Cleaning Machine” means any device or piece of equipment that uses solvent liquid or vapor to remove soils, moisture, or other contaminants from the surfaces of materials. Types of solvent cleaningSanta Barbara County APCD Rule 337 337 - 11 October 20, 1994[ date of amended rule adoption ] machines include, but are not limited to, batch co ld, batch vapor, in-line cold, in-line vapor, remote reservoir, and gas-path solvent clea ners. Buckets, pails, and beak ers with capacities of 3.785 liters (1.00 gallon) or less are not considered solvent cleaning machines. However, the use of such a container or similar containers (e.g., hand-held spray bottles) with a liquid solvent for cleaning is considered to be solvent cleaning. Any device or piece of equipment used exclusively for stripping shall not be considered to be a solvent cleaning machine.

“Sonic and Acoustic Applications” means the use of aerospace materials on aerospace components that are subject to mechanical vibra tion and/or sound wave cavitation.

22. “Space Vehicle Coating” means a ny coating applied to vehicles designed to travel beyond the earth's atmosphere.

“Specialized Function Coating” means any coating that fulfills extremely specific engineering requirements that are limited in application and are characterized by low volume usage. This category excludes coatings covered in ot her Specialty Coating categories.

“Specialty Coating” means any coating that, even though it meet s the definition of a primer, topcoat, or self-priming topcoat, has additi onal performance criteria beyond those of primers, topcoats, and selfpriming topcoats for specific applications. These perf ormance criteria may include, but are not limited to, temperature or fire resistance, substrate compatibil ity, antireflection, temporary protection or marking, sealing, adhesively joining su bstrates, or enhanced corrosion pro tection. The reactive organic compound content limit for the individual specialty coatings are listed in Section D.1, Ta ble 337-2. Definitions for each specialty coating category ar e provide in Section C.

“Spray Gun” means any device that atomizes a coating or ot her material and projects the particulates or

other material onto a substrate.

23. “Stripper” means a precursor organic compound applied to remove temporary coating, maskant for chemical processing, paint or residu e any liquid that is applied to a surface to remove cured or dried coatings such as primers, adhesives (e.g., debonding or unglueing), topcoats, and temporary protective coatings

.

24. “Struc tural Autoclavable Adhesive” means a ny coating adhesivewhich is applied for the purpose of bonding structural components together used to bond load-carrying aerospace components that is cured by heat and pressure in an autoclave

.

“Structural Nonautoclavable Adhesive” means any adhesive cured under ambient conditions that is used to bond load-carrying aerospace components or for ot her critical functions, such as nonstructural bonding in the proximity of engines.

“Surface Preparation” means the removal of contaminants from the surface of an aerospace vehicle or component or the activation or reactivation of the surf ace in preparation for the application of a coating.

25. “Temporary Protective Coating” means a ny coating applied to a part to protect it from mechanical and environmental damage during manuf acturing provide scratch or corrosion protection during manufacturing, storage, or transportation

. Two types include peelab le protective coatings and alkaline removable coatings. These materials are not intended to protect against strong acid or alkaline solutions. Coatings that provide this type of protection from chemical processing are not included in this

category.

“Thermal Control Coating” means any coating formulated with specific thermal conductive or radiative properties to permit temperature control of the substrate.Santa Barbara County APCD Rule 337 337 - 12 October 20, 1994[ date of amended rule adoption ] 26. “Topcoat” means a ny coating applied over a primer or intermediary coating on an aerospace vehicle or component for purposes such as appearance, identification , camouflage, or protection. Coatings that are defined as specialty coatings ar e not included under this definition.

27. “Touch up-Up ” means that portion of the coating operat ion which is separate from the main coating process but necessary to cover minor impe rfections or to achieve co verage as required.

“Touch

- Up and Repair” means that portion of the coating operation that is the incidental application of coating used to cover minor imperfections in the coati ng finish or to achieve complete coverage. This definition includes out-of-sequ ence or out-of-cycle coating.

28. “Transfer Efficiency” means the ratio of the weight of coatin g solids adhering to the object being coated to the weight of coating solids used in the application process, expressed as a percentage.

“Type I Chemical Milling Maskant” see the “Chemical Milling Maskant” definition

.

“Type II Chemical Milling Maskant” see the “Chemical Milling Maskant” definition

.

“Type I Etchant” means any chemical milling etchant that co ntains varying amounts of dissolved sulfur

and does not contain amines.

“Type II Etchant” means any chemical milling etchant that is a strong sodium hydroxide solution containing amines.

“Viscosity” means the internal friction of a liquid that makes it resistant to flow.

“Wet Fastener Installation Coating” means any primer or sealant applied by dipping, brushing, or daubing to fasteners that are installed before the coating is cured.

29. “Wing Coating” means a ny corrosion-resistant coating that is resilient enough to withstand the flexing of the aircraft wings.

D. Requirements

- – Reactive Organic Compound (ROC) Limits

1. A No person shall not apply any coating or specify solicit the use of any coating on any aerospace vehicle or component subject to the provisions of this rule, which, as applied, emits or may emit

contains reactive organic compounds into the atmosphere in excess of the limits shown in the

table s below. These limits are expressed in grams of reactive organic compound per liter or pounds per gallon of coating

, less water and less exempt organic compounds:

Table 337-1: Reactive Organic Comp ound Content Limits for Coating s Other than Specialty Coatings (Grams of Reactive Organic Compound per Li ter, Less Water and Less Exempt Compounds)

Coating Type ROC Limit

Effective [ date of amended rule adoption ]

Exterior Primer 350

Primer 350
Self-Priming Topcoat 420
Topcoat 420
Type I Chemical Milling

Maskant 250

Type II Chemical Milling

Maskant 160Santa Barbara County APCD Rule 337 337 - 13 October 20, 1994[ date of amended rule adoption ] Table 337-2: Reactive Organic Compound Co ntent Limits for Specialty Coatings (Grams of Reactive Organic Compound per Liter, Less Water and Less Exempt Compounds)

Coating Type ROC Limit
g/l Effective Before [ 24 months

after the date of

amended rule

adoption ] lb/gal Effective On

and After [ 24 months after the date of

amended rule

adoption ] Ablative Coating 600 600

Adhesion Promoter 850 250
Adhesive Bonding Primer s : 250 2.1

New Commercial Aircraft 250 250
All Military Aircraft 805 805

Remanufactured Commercial Aircraft Parts 805 805
Sonic and Acoustic Applications 805 805
Long Term 250 250

Short Term 250 250

Adhesives:

Commercial Interior Adhesive 760 760
Cyanoacrylate Adhesive 1020 1020

Fuel Tank Adhesive 620 620

Nonstructural Adhesive 250 250
Rocket Motor Bonding Adhesive 890 890

Rubber-Based Adhesive 850 850

Structural Autoclavable Adhesive 50 50

Structural Nonautoclavable Adhesive 850 850
Antichafe Coating 600 420
Barrier Coating 420 420
Bearing Coating 620 620
Caulking and Smoothing Compounds 850 850
Chemical Agent-Resistant Coating 550 550
Clear Coating 520 520
Commercial Exterior Aerodynamic Structure

Primer 350 350

Compatible Substrate Primer 350 350
Corrosion Prevention System Compound 710 710
Cryogenic Flexible Primer 350 350
Cryoprotective Coating 600 600
Dry Lubricative Material

Fastener Manufacturing 120 1120
Nonfastener Manufacturing 675 5.6675

Electric - /or Radiation

- Effect 800 6.7800
Electrostatic Discharge and Electromagnetic Interference Coating 800 800

Elevated-Temperature Skydrol-Resistant

Commercial Primer 350 350

Epoxy Polyamide Topcoat 660 660
Extreme Performance Interior Topcoat 420 3.5420

Fastener Sealant 675 600Santa Barbara County APCD Rule 337 337 - 14 October 20, 1994[ date of amended rule adoption ] Coating Type ROC Limit
g/l Effective Before [ 24 months

after the date of

amended rule

adoption ] lb/gal Effective On

and After [ 24 months after the date of

amended rule

adoption ] Fire Insulation Coating 600 5
Fire-Resistant (Interior) Coating 600 600

Flexible Primer 350 350
Flight-Test Coatings:

Missile or Single Use Aircraft 420 420

All Other 600 600
Fuel Tank Coating (Excluding Fuel Tank Adhesive) 720

420 6

420 High

- Temperature Coating 720 6720
Interior Topcoat 340 2.8340
Insulation Covering 740 740
Intermediate Release Coating 750 750
Lacquer 830 830
Maskant-Chemical Processing 600 5

Maskants:

Bonding Maskant 1,230 1,230

Critical Use and Line Sealer Maskant 1,020 1,020

Seal Coat Maskant 1,230 1,230
Metallized Epoxy Coating 700 700

Mold Release 780 780
Optical Anti-Reflective Coating 700 700
Part Marking Coating 850 850

Pretreatment Wash PrimerCoating 400

780 3.3

780

Primer 350 2.9
Rain Erosion-Resistant Coating 600 600
Rocket Motor Nozzle Coating 660 660

Scale Inhibitor 880 880

Screen Print Ink 840 840

Sealant 600 5

Extrudable/Rollable/Brushable Sealant 280 280
Sprayable Sealant 600 600
Sealant Bonding Primer 720 6
Self Priming Topcoat 420 3.5

Silicone Insulation Material 850 850

Solid Film Lubricants

Fastener Manufacturing 250 250

Fastener Installation 880 880
Nonfastener Manufacturing 880 880
Space Vehicle Coating:
Electrostatic-Discharge 800 6.7800

Other 1

, 000 8.31,000
Specialized Function Coating 890 890
Temporary Protective Coating 250 2.1250Santa Barbara County APCD Rule 337 337 - 15 October 20, 1994[ date of amended rule adoption ] Coating Type ROC Limit
g/l Effective Before [ 24 months

after the date of

amended rule

adoption ] lb/gal Effective On

and After [ 24 months after the date of

amended rule

adoption ]
Topcoat 420 3.5
Thermal Control Coating 800 800
Wet Fastener Installation Coating 675 675
Wing Coating 750 6.3750

2. A No person shall not apply any stripper or specify solicit the use of any stripper unless it complies with one or both of the following:

a. The stripper contains less than 400 300 grams / of reactive organic compound per liter of ROC of material (2.50 pounds of reac tive organic compound per gallon)

.

b. The stripper has a true vapor reactive organic compound composite partial pressure of less than 10 mm Hg equal to or le ss than 9.5 millimeters of mercury at actual usage temperature20 degrees Celsius

.

3. Sources A person may elect to use an add-on exhaust control equipment system to achieve as an alternative to meeting th e requirements compliance with the provisions of Section s D .1, D.2, E,

and J , provided that the control equipment meets all of the applicable requirements of sections a.

and b. below are met

. Such control equipment must be approved in advance by the Control

Officer. Any person choosing to install such contro l equipment shall obtain an Authority to Construct from the District prior to installation.

a. The control device shall reduce emissions from an emission collection system by at least 95 percent by weight.

b. The emission collection sy stem which collects and trans ports emissions to an air pollution control device shall collect at leas t 90 percent by weight of the emissions generated by the sources of emissions. a. The overall efficiency (the capture efficien cy multiplied by the control device efficiency) of the total system shall not be less than 85.5 percent, by weight. Alternatively, the control device reactive organic compound exha ust concentration shall not exceed 10 parts per million by volume as propane or other limit approved by the Environmental Protection Agency, the Air Resources Board, and the Control Officer.

b. Combustion temperature shall be continuously monitored when operating a thermal

incinerator.

c. Inlet and exhaust gas temperatures shall be continuously monitored when operating a catalytic incinerator.

d. Control device efficiency shall be continuously monitored when operating a carbon

adsorber or a control device other than a thermal or catalytic incinerator.

e. Compliance through the use of an add-on cont rol system shall not result in affected pollutant emissions in excess of the affected pollutant emissions that would result from compliance with Sections D.1, D.2, E, and J.Santa Barbara County APCD Rule 337 337 - 16 October 20, 1994[ date of amended rule adoption ] E. Requirements

- – Application Equipment

A No person shall not apply coatings subject to the provisions of this rule except by using properly operated unless the application is performed with equipment and by operating according to the manufacturers operating guidelines. In addition, except as provided in Section D.3, the application method employed shall be one of the following :

1. Electrostatic spray application, or

2. Flow coat application, or

3. Dip coat application, or

4. Roll coater, or

45 . High volume

, low pressure spraying (HVLP) equipment , or

56 . Electrodeposition, or

67 . Hand application methods, or

78 . Detailing or touch-up guns, or

89 . Any other coating application method that approved by the Control Officer, the Air Resources Board, and the Environmental Protect ion Agency, achieves that has a coating transfer efficiency of at least equivalent to or greater than 65 percent efficiency as demonstrated measured by using the test method specified in Section I.4.

10. Except as otherwise provided in Section E.11, air-atomized spray may only be used for the application of contact adhesives or specialty contact adhesives.

11. For adhesive products and sealant products with an as applied viscosity of 200 centipoise or greater, airless spray, air-assisted airless, and air-atomized spray may be used.

F. Requirements

- – Closed ContainersGeneral Operating

Any person who owns, operates, or us es any surface coating or depainting equipment for any aerospace vehicle or component coating operation sh all meet the following requirements:

1. All ROC reactive organic compound -containing materials, used or unused, including but not limited to surface coatings, thinners, cleanup solvents, strippers, or surface preparation materials

shall be stored and disposed of in closed nonabsorbent and nonleaking containers equipped with tight-fitting covers. All covers shall be in place unless adding ma terial to or removing material

from the containers , and opened only during extraction or in troduction of material for mixing, use or storage the containers are empty, or doing maintenance/inspection of the containers

.

2. All application equipment, ventil ation system, and emission contro l equipment shall be installed, operated, and maintained consistent wi th the manufacturer’s specifications.

3. Waste solvent, waste solvent residues, and any ot her waste material that contains reactive organic compounds shall be disposed of by one of the following methods:

a. A commercial waste solvent reclamation se rvice licensed by the State of California.

b. At a facility that is federally or state licen sed to treat, store or dispose of such waste.Santa Barbara County APCD Rule 337 337 - 17 October 20, 1994[ date of amended rule adoption ] c. Recycling in conformance with Secti on 25143.2 of the Californ ia Health and Safety

Code.

4. All covers, valves, drain plugs, and other cl osure devices designed to reduce surface coating, stripper, or solvent evaporation shall not be re moved or opened except to process work or to perform monitoring, inspections, maintenance, or repairs that require the removal of the covers or

other closure devices.

5. Any surface coating, stripp er, or solvent spills shall be wiped up immediately and the used absorbent material (e.g., cloth, pa per, sand, sawdust, etc.) shall be stored in closed containers that

are handled in accorda nce with Section F.1.

6. The handling and transfer of coatings, strippers, and cleaning solvents to or from enclosed systems, vats, waste containers, and other cleanin g operation equipment that hold or store fresh or spent coatings, strippers, and cleaning solvents sh all be conducted in such a manner to minimize spills

.

7. Containers used to store coating, solvent, or any waste material that contains reactive organic compounds subject to this rule shall be marked or clearly labeled indicating the name of the material they contain.

G. Requirements

- – Manufacturer Labeling

1. Each container of any coating su bject to this rule shall display the date on which the contents were manufactured or a code indicating the date of ma nufacture. Each manufacturer of such coatings

shall file with the Air Pollution Control Office r and the Executive Officer of the California Air Resources Board an explanation of each code.

2. Each container of any coating su bject to this rule shall display a statement of the manufacturer's recommendation regarding thinning of the coating. This recommendation shall not apply to the thinning of coatings with water. The recommen dation shall specify that the coating is to be employed without thinning or diluting under norm al environmental and application conditions unless any thinning recommended on the label for normal environmental and application conditions does not cause a coating to exceed its applicable standard for reactive organic compound content

.

3. Each container of any coating subject to this rule shall display the maximum ROCreactive organic compound content of the coating, as applied, and after any thinning as recommended by the

manufacturer. ROC Reactive organic compound content shall be displayed as g/lgrams per liter or lb/galpounds per gallon of coating

, less water and less exempt organic compounds. The VOC volatile organic compound content may be displayed instead of the ROC reactive organic compound content as long as the manufacturer's definition of VOC volatile organic compound is

consistent with the definition of ROC reactive organic compound contained in District Rule 102

, Definitions

. ROC Reactive organic compound content displayed may be calculated using product

formulation data and the formula in Section C , or may be determined using the test method in

Section I .1

.

H. Requirements -

– Recordkeeping

Any Persons person subject to this rule shall comply with the following requirements. Any owner or operator of any stationary source comprised of more th an one facility may comply with the following requirements on a facility basis.

1. Maintain a current listingfile of all ROCreactive organic compound -containing materials in use at their facilitythe stationary source subject to this rule

. This listing shall include: The file shallSanta Barbara County APCD Rule 337 337 - 18 October 20, 1994[ date of amended rule adoption ] provide all of the data necessary to evaluate compliance and shall include the following information, as applicable:

a. material name and manufacturer identification (e.g., brand name, stock identification number) ;

b. application method;

c. material type

, and manufacturer’s specific use instructions (e.g., specific use for which the material is intended), type operation (e.g., coating, stripping, or solvent cleaning), and, for coating operations, the coating type from Table 337-1 or Table 337-2 and equipment coated ;

d. specific mixing ratiodata (e.g., component volumes or weights) of each component for each batch sufficient to determine the mixture’s reactive organic compound content ;

e. the corresponding reactive organic compound li mit(s) from Sections D.1, D.2, and J.1 and the maximum actual as applied ROCreactive organic compound content of coating used. If complying using the “reactive or ganic compound composite partial pressure” method only, provide the actual reactive org anic compound composite partial pressure of the materials used less water and less exempt compounds as applied (including thinning solvents).; and

f. current coating, stripper, and solvent manufa cturer specification sheets, Material Safety Data Sheets, product data sheets, or air quality data sheets, which list the reactive organic compound content of each material in use at the stationary source subject to this rule

. Compliance with this provision may be done by ensuring the manufacturer’s specifications are listed on the product container

.

2. Current coating manufacturer specification sheets , Material Safety Data Sheets or current air quality data sheets, which list the ROC content of ea ch material in use at their facility, shall be

available for review on site.

32 . Maintain purchase records identifying the type or name and th e volume of material purchased for

each ROCreactive organic compound -containing material purchased for use at the stationary

source

. The records shall include, but not be limited to, the following:

a. material name and manufacturer identi fication (e.g., brand name, stock identification number); and

b. material type (e.g., coating type from Table 337-1 or Table 337-2, cleanup solvent, stripper, etc.).

3. Maintain records of the disposal method each time waste solvent, waste solvent residue, or other waste material that contain reactive organic comp ounds is removed from the stationary source for disposal.

4. Maintain For each material maintained in res ponse to Section H.1.a, maintain at a minimum, on a monthly basis for compliant material and on a d aily basis for noncompliant material, a record of

the following:

a. volume used (gallons per day, gallons per month),;

b. ROCreactive organic compound content (grams per liter or pounds per gallon); andSanta Barbara County APCD Rule 337 337 - 19 October 20, 1994[ date of amended rule adoption ] c. and resulting ROCreactive organic compound emissions (pounds per day, pounds per month)of each ROC-containing material used

.

These records shall be summarized for each calendar year and subm itted to the District by March 1 of the following year.

5. Operators of facilities For any stationary source that use s non-compliant coating materials with compliance achieved through the operation of emission control equipment as an alternative to meeting the requirements of Sections D.1, D.2, E, or J, shall maintain daily records of key operating parameter values and maintenance procedures which that demonstrate continuous operation and compliance of the emission control device system during periods of emission producing activities shall be maintained

. These parameters shall include, but not be limited to:

a. Hours of operation;

b. All maintenance work that requires the em ission control system to be shut down;

c. All information needed to demonstrate co ntinuous compliance with Section D.3, such as temperatures, pressures, and/or flow rates.

6. All Any records required by to be maintained pursuant to this rule shall be kept on site for at least 2 years unless a longer retention period is othe rwise required by state or federal regulation(s). Such records shall be readily available for shall be retained and available for inspection by the Control Officer or designated representative upo n request for the previ ous 36 month period and review by the District

.

7. Any person claiming an exempti on under Section B.1 shall maintain:

a. Daily records of the volumes in gallons of non complying coating materials used by each separate formulation at the stationary source.

b. Annual running totals, from Ja nuary 1 of each calen dar year, of the volume in gallons of non-complying coating materials used at the stationary source for:

1) Each separate formulation.

2) All formulations

.

I. Requirements

– Compliance Provisions and Test Methods

1. ROC content of a coating Coatings and so lvent reactive organic compound content shall be determined measured using EPA by the Environmental Protection Agency Reference Method 24,

its constituent methods

, or an equivalent method approved by the Control Officer, ARB and EPA Environmental Protection Agency, the Air Resources Board, and the Control Officer . The determination of exempt compounds shall be performed in accordance with ASTM D 4457- 851991, “ Standard Test Method for Determination of Dichloromethane and 1,1,1-Trichloroethane in Paints and Coatings by Direct Injection into a Gas Chromatog raph,” ASTM International

. Alternatively, determination of exempt compounds may be performed in accordance with the South Coast Air Quality Manage ment District Method 303- 91, “Determination of Exempt Compounds,” August 1996. The reactive organic compound content of materials containing 50 grams of reactive organic compo und per liter or less shall be determined by the South Coast Air Quality Management Di strict Method 313-91, “ Determination of Volatile Organic Compounds by Gas Chromatography-Mass Spectrome try,” June 1993, or any other te st methods approved by the Environmental Protection Agency, the Air Re sources Board, and the Control Officer.Santa Barbara County APCD Rule 337 337 - 20 October 20, 1994[ date of amended rule adoption ] 2. Compliance with Section D.3.a The control dev ice efficiency for reactive organic compound

emissions shall be determined by using ARB Method 100 or EPA Environmental Protection Agency Test Method s 25

, 25A, the South Coast Air Quality Management District Method 25.1,

“ Determination of Total Gaseous Non- Methane Organic Emissions as Carbon,” February 1991, or the South Coast Air Quality Management District Method 25.3, “ Determination of Low Concentration Non-Methane Non-Ethane Orga nic Compound Emissions from Clean Fueled Combustion Sources,” March 2000, as applicable. Environmental Protection Agency Test Method

18 o r Air Resources Board Method 422, “Exempt Hal ogenated VOCs in Gases,” September 12, 1990, shall be used to determine emissions of exempt compounds

. or a method determined to be equivalent and approved by the Control Officer, ARB, and EPA.

3. Compliance with Section D.3.b The capture effici ency for reactive organic compound emissions

shall be based on EPA Guidelines for Developing Ca pture Efficiency Protocols from 55 FR 26865, July 1, 1990determined by verifying the use of a Permanent Total Enclosure and 100 percent capture efficiency as defined by Environmental Protection Agency Method 204, “ Criteria for and Verification of a Permanent or Tempora ry Total Enclosure.” Alternatively, if an Environmental Protection Agency Method 204 de fined Permanent Total Enclosure is not employed, capture efficiency shall be determinedusing a minimum of three sampling runs subject to data quality criteria presented in the Envi ronmental Protection Agency technical guidance

document “ Guidelines for Determining Capture Effic iency, January 9, 1995.” Individual capture efficiency test runs subject to the Environmental Protection Agency technical guidelines shall be determined by:

a. The Temporary Total Enclosure approach of Environmental Protection Agency Methods 204 through 204F; or

b. The South Coast Air Quality Management District “ Protocol for Determination of Volatile Organic Compounds (VOC) Capture Efficiency,” May 1995

.

4. Compliance with Section E.8 Application equipment coating transfer efficiencies shall be

determined measured using South Coast Air Quality Management District Method “ Spray Equipment Transfer Efficiency Test Procedure of for Equipment User, ” May 24, 1989.

5. Compliance with Section D.2 Reactive organic compound composite partial pressures shall be

determined measured using ASTM D 2879- 861997

, “ Standard Test Method for Vapor PressureTemperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope,” ASTM International, in combination with the formula in the Rule 102 definition of “ reactive organic compound composite partial pressure,” manufacturer's specified vapor reactive organic compound composite partial pressure, or an accepted scientific reference approved the Environmental Protection Agency, the Air Resources Board, and the Control Officer

.

6. The control device efficiency for toxic air co ntaminant emissions that are not reactive organic compounds shall be determined using:

a. an Environmental Protection Agency approved test method or methods, or

b. in the case where there is no Environmental Protection Agency approved test method, a District approved detection method appl icable for each target toxics specie.

c. the Control Officer may require more than one test method on any emission control device where necessary to demonstrate that th e overall efficiency is at least 85.5 percent by weight in reducing emissions of reactive organic compounds and/or toxic air contaminants. Any technique to convert “p arts per million by volume” test method results to either 1) “parts per million by weight,” or 2) “mass emission rates” (e.g., pounds per hour) shall first be approved by the Co ntrol Officer and, if such approval is not provided, then the technique shall not be used to show compliance with this rule.Santa Barbara County APCD Rule 337 337 - 21 October 20, 1994[ date of amended rule adoption ] 7. The capture efficiency for toxic air contam inant emissions that are not reactive organic compounds shall be determined by using the meth ods described in Section I.3 modified in a manner approved by the District to quantify the mass of liquid or gaseous reactive organic compounds and/or toxic air contaminants.

8. The active and passive solvent losses from spra y gun cleaning systems shall be determined using South Coast Air Quality Management District's , "General Test Method for Determining Solvent Losses from Spray Gun Cleaning Systems," date d October 3, 1989. The test solvent for this determination shall be any lacquer thinner with a minimum reactive organic compound composite partial pressure of 105 millimeter s of mercury at 20 degrees Celsius, and the minimum test temperature shall be 15 degrees Celsius.

9. Viscosity shall be determined by ASTM D 1084- 88, “Standard Test Methods for Viscosity of Adhesives,” ASTM International.

10. Emissions of reactive organic co mpounds from the exhaust of an emission control system shall be measured by the Environmental Protectio n Agency Method 25, in combination with Environmental Protection Agency Method 18 or the California Air Resources Board Method 422, “Exempt Halogenated VOCs in Gases,” September 12, 1990 (to determine emissio ns of exempt compounds).

11. When more than one test method or set of test methods are specified for any testing, a test result showing an exceedance of any limit of this rule shall constitute a rule violation

.

12. The Environmental Protection Agen cy test methods in effect on [ date of amended rule adoption ] shall be the test methods used to meet the requirements of this rule.

J. Requirements

– Solvent Cleaning Associated with Sur face Coating of Aerospace Vehicles and Components

Section J requirements shall apply to any person pe rforming solvent cleaning associated with surface coating of aerospace vehicles or component s, including, but not limited t o, use of wipe cleaning cloths, hand-held spray bottles, squirt bo ttles, aerosol products, and the clean ing of application equipment. The following requirements become effective [ one year from the date of amended rule adoption ] and are in addition to the general operating requirements specified in Section F.

1. Solvent Requirements

Except when using an emission control system that meets the requirements of Section D.3, no person shall use any solvent to perform solvent cleaning which exceeds the following limits:

a. When Performing Surface Preparation for Coating Application and Cleanup (Other than Spray Application Equipment Cleaning):

1) 200 grams of reactive organic comp ound per liter (1.67 pounds of reactive organic compound per gall on) of material, or

2) reactive organic compound composit e partial pressure of 45 millimeters of mercury at 20 degrees Celsius.

b. When Performing Solvent Cleaning of Spray Application Equipment: 25 grams of reactive organic compounds per liter (0.21 p ounds of reactive organic compound per gallon) of material. In lieu of meeting the reactive organic compound-content limit, a person may use an enclosed cleaning syst em, or equipment that is proven to the

satisfaction of the Control Officer to be equally effective as an enclosed cleaning systemSanta Barbara County APCD Rule 337 337 - 22 October 20, 1994[ date of amended rule adoption ] at controlling emissions. “Equal eff ectiveness” of an alternative cleaning sy stem shall be determined by the test method referenced in Section I.8 of this rule. If an enclosed cleaning system is used, it shall totally enclose spray guns, cups, nozzles, bowls, and other parts during washing, rinsing, and drai ning procedures, and it shall be used according to the manufacturer’s recommendations and be closed when not in use.

2. Cleaning Devices and Methods. Except for solvent cleaning of s pray application equipment, any person performing solvent cleaning with a solvent containing more than 25 grams of reactive organic compounds per liter of mate rial shall use one or more of the following cleaning devices or

methods:

a. Wipe cleaning where solvent is dispensed to wipe cleaning materials from containers that are kept closed to prevent evaporation, exce pt while dispensing solvent or replenishing the solvent supply, and where wipes are stored in closed containers to prevent evaporation when not in use;

b. Application of solvent from hand-held spra y bottles, squirt bottles, or other closed containers with a capacity of one liter or less; or

c. Non-atomized solvent flow, dip, or fl ush cleaning method where pooling on surfaces being cleaned is prevented or drained, and all solvent runoff is collected in a manner that enables solvent recovery or disp osal. The collection system shall be kept closed to prevent evaporation except while collecti ng solvent runoff or emptying the collection

system.

K. Compliance Schedule

Any person who owns, operates, or us es any application equipment to surface coat any aerospace vehicles or components shall meet the following compliance schedule:

1. By [ 30 days from the date of amended rule adoption ], comply with Section F, Requirements - General Operating.

2. By [ six months from the date of amended rule adoption ], comply with the recordkeeping provisions in the following Sections:

a. H.1.d - mixing data,

b. H.1.e - reactive organic compound content data,

c. H.2 - purchase records,

d. H.3 - waste disposal records, and

e. H.4 - daily records for no ncompliant materials.

3. By [ one year from the date of amended rule adoption ], comply with the Section J and Section M requirements.

4. By [ date of amended rule adoption ], comply with all other provisions of this rule.

L. Reporting Requirements

Submittal of an annual report to the District is required if:

• A person holds a permit for equipment subjec t to the requirements of this rule, orSanta Barbara County APCD Rule 337 337 - 23 October 20, 1994[ date of amended rule adoption ] • A person is subject to the requirements of th is rule and applies non-complying coatings.

The annual report shall be due March 1 and it shall contain th e following information for the previous calendar year:

1. monthly totals (gallons) of compliant and nonc ompliant material used based on the records required by Section H.4,

2. annual totals (gallons) based on e ach of the coating’s, solvent’s, and stripper’s monthly data

,

3. if claiming the Rule 337.B.1 exemption, annual totals (gallons) of non-complying coatings for each separate formulation and all f ormulations, per Section H.7.b, and

4. if permitted, name and address of the company or agency, and the Permit to Operate number that the surface coating equipment is subject to.

M. Requirements - Solvent Cleaning Machine

Any person who owns, operates, or uses any solvent cleaning machine shall comply with the applicable provisions of Rule 321, Solvent Cleaning Machines and Solvent Cleaning.



### APPROVED AS TO FORM:

DENNIS A. MARSHALL

SANTA BARBARA COUNTY COUNSEL

By____________________________ Deputy Attorneys for the Santa Barbara County

Air Pollution Control District