SAN DIEGO AIR POLLUTION CONTROL DISTRICT

RULE 66.1 MISCELLANEOUS SURF ACE COATING OPERATIONS AND

OTHER PROCESSES EMITTING VOLATILE ORGANIC

COMPOUNDS (Adopted 2/24/10)

(a) APPLICABILITY

(1) This rule is applicable to all su rface coating, solven t cleaning or other operations or processes that may result in emissions of VOCs and are not subject to or exempt from, the following rules:

67.0 - Architectural Coatings; 67.2 - Dry Cleaning Equipment Using Petroleum Based Solvents; 67.3 - Metal Parts and Products Coating Operations; 67.4 - Metal Container, Metal Clos ure and Metal Coil Coating Operations; 67.5 - Paper, Film and Fabric Coating Operations; 67.6.1 - Cold Solvent Cleaning and Stripping Operations; 67.6.2 - Vapor Degreasing Operations; 67.9 - Aerospace Coating Operations; 67.10 - Kelp Processing and Bio-Polymer Manufacturing Operations; 67.11 - Wood Products Coating Operations; 67.11.1 - Large Coating Operations for Wood Products; 67.12 - Polyester Resin Operations; 67.15 - Pharmaceutical and Cosmetic Manufacturing Operations; 67.16 - Graphic Arts Operations; 67.18 - Marine Coating Operations; 67.19 - Coatings and Printing Inks Manufacturing Operations;

67.20 - Motor Vehicle and Mobile Equipment Refinishing Operations; 67.21 - Adhesive Materials Application Operations; 67.24 - Bakery Ovens; 61.1 through 61.8 – Vapor Recovery Rules; 68 through 69.4.1 – Rules Regulating Combustion Sources.

(2) Section (g) of this rule is applicable to any manufacturer, seller or supplier of any coating, coating component , solvent cleaning material, or any other VOC containing material that is used in an operati on that may be subject to this rule.

(b) EXEMPTIONS

(1) This rule shall not apply to the following:

(i) Surface coatings, surface preparat ion or solvent cleaning materials applied using hand-held non-refillable aerosol spray containers.

(ii) Any surface coating operation where 20 gallons or less of surface coatings are applied per consecutive 12-month peri od. To claim applicability of this exemption monthly coating usage records sha ll be maintained on site for three years

and made available to th e District upon request.

Regulation IV -1- Rule 66.1(iii) Any surface coating or other VOC emitting operation where the total VOC emissions, excluding emissions from cleani ng or surface preparation materials, are 150 lbs or less per consecutive 12-month pe riod. To claim applicability of this exemption all records necessary to calculate VOC emissions shall be maintained on site for three years and made available to the District upon request.

(iv) The use of pesticides, including in secticides, rodenticides or herbicides.

(v) Research and development operati ons or testing for quality control or quality assurance purposes.

(vi) Operations involved in the manufacture of biotechnology pharmaceutical and bio-agricultural products that are exem pt from the District permit to operate requirements by Rule 11, Section (d).

(vii) Laboratory operations located at secondary schools, colleges, or

universities and used excl usively for instruction.

(viii) Touch-up operations.

(ix) Stripping of cured inks, coatings and adhesives.

(x) Digital printing operations.

(xi) Any solvent cleaning, including wipe cleaning, or surface preparation of

electrical or electronic co mponents, medical devices, la ser optics or precision optics

components.

(2) Subsection (d)(2) and S ection (f) shall not apply to

(i) Any solvent cleaning, including wi pe cleaning, of aerospace components not associated with a surface coating operation and provided that the cleaning material complies with the requiremen ts of Rule 67.9, Subsection (d)(4).

(ii) Any solvent cleaning, including wi pe cleaning, performed in conjunction with welding of 5XXX series aluminum structures for Navy ships and in accordance with quality assurance sta ndards for such structures.

(iii) Any cleaning or surface prepar ation operation, including wipe cleaning, necessary to achieve the requi red purity of surfaces for pr ecision welding or thermal spray operations used in the manufacture of gas turbine engines, provided that the combined total amount of such cleaning ma terials used for these operations at the stationary source does not exceed 50 gallons per consecutive 12-months.

Regulation IV -2- Rule 66.1(iv) Any cleaning or surface preparati on operation, including wipe cleaning, where not more than 20 gallons of cleani ng materials are used per consecutive 12- months, provided that the total amount of non-compliant cleaning materials used at the stationary source does not exceed 20 ga llons per consecutive 12-months; or

(v) Any cleaning or surface preparati on operation, including wipe cleaning,

where the VOC emissions from cleani ng materials do not exceed 150 lbs per consecutive 12-months, provided that the total VOC emissions from non-compliant cleaning materials used at the stationary source do not exceed 150 lbs per consecutive

12-months.

To claim the applicability of the exemptions in Subsection (b)(2 ), all records of monthly purchase or usage of cleaning materials, their VOC content, vapor pressure, or any other data necessary to calculate VOC emissions, as applicable, shall be maintained on site for three years and made availa ble to the District upon request.

(c) DEFINITIONS

For the purpose of this rule the following definitions shall apply:

(1) "Aerospace Component" means any raw material, partial or completed fabricated part, assembly of parts or complete d unit of any aircraft, helicopter, missile or space vehicle, including mockups, test panels and prototypes.

(2) "Air-Dried Coating" means any coating that is not heated above 90 o C (194 o F) for the purpose of curing or drying.

(3) "Baked Coating" means any coating that is cure d or dried in an oven where the oven air temperature exceeds 90 o C (194 o F).

(4) "Coating" means a material which can be applied as a thin layer to a substrate,

and which either dries or cures to form a c ontinuous solid film or impregnates a substrate for protective, decorative, or functional pur poses. Such material s include, but are not limited to, paints, varnishes, sealers, lac quers, and stains but exclude adhesives.

(5) “ Digital Printing Operation ” means an operation that uses a printing device guided by a computer-driven machine to transfer an electronic image to a substrate through the use of inks, toners, or other graphic materi als. Digital printing op erations also include associated surface preparation, solvent cleaning, and the cleaning of application equipment.

(6) "Dip Coat" means a coating application method accomplished by dipping an object into the coating material.

(7) "Electrical Components" means internal components such as wires, windings, stators, rotors, magnets, contacts, relays, ener gizers, and connections in an apparatus that generate or transmit electr ical energy including, but not limited to, generators, transformers, and electric motors.

Regulation IV -3- Rule 66.1(8) "Electronic Components" means components or assemblies of components including, but not limited to, circuit card as semblies, printed wire assemblies, printed circuit boards, soldered joints , ground wires, bus bars, and ot her electrical fixtures, except for the cabinet in which the components are to be housed.

(9) "Electrostatic Spray" means a coating application method accomplished by charging atomized paint particles for de position by electrostatic attraction.

(10) “Exempt Compound” means the same as defined in Rule 2.

(11) "Existing Operation or Process" means a surface coating operation or other process emitting VOCs for which a complete application for an Authority to Construct in San Diego County was submitted before February 24, 2010. Wipe cleaning operations that are exempt from permit requirements per Rule 11 before February 24, 2010, are considered existing operations.

(12) "Flow Coat" means a coating application method accomplished by flowing a stream of coating over an object.

(13) "Hand Application Method" means a coating application method accomplished by applying a coating by manually hel d, non-mechanically operated equipment. Such equipment includes, but is not limited to, paintbrushes, hand rollers, rags and sponges.

(14) "High-Volume Low-Pressure (HVLP) Spray" means a coating application method which uses pressurized air at a perm anent pressure between 0.1 and 10.0 psig, not to exceed 10.0 psig, measured at the air cap of the coating application system.

(15) "Low-Solids Coating" means a coating containi ng one pound of solids or less per gallon of material, as supplied.

(16) "Medical Device" means an instrument, appara tus, implement, machine, contrivance, implant, in vitro reagent or ot her similar artic le including any component or accessory, that is intended for use in the diagno sis of disease or other conditions or in the cure, mitigation, treatment, or prevention of diseas e, or is intended to affect the structure or any function of the body.

(17) "New Operation or Process" means a surface coating operation or other process emitting VOCs for which a complete application for an Authority to Construct in San Diego County was submitted on or after February 24, 2010.

(18) "Organic Solvent" means any substance contai ning an organic compound or combination of organic compounds which is liquid at atmospheric pressure and ambient temperature and which is used as a reactant, d iluent, thinner, dissolver, viscosity reducer, or cleaning agent, or for other similar purposes.

Regulation IV -4- Rule 66.1(19) "Operation" means any process that includes one or more pieces of equipment linked by the process flow and resulting in a pr oduct that cannot be made if any piece of equipment is removed or not functioning.

(20) "Precision Optics Components" means the components used to create high resolution images in optical devices.

(21) "Research and Development Operation" means a small scale operation for the purpose of creating new or improved processes or products, that is conducted by technically trained personnel under the superv ision of a research director, and is not used in the manufacture of products for sale or exchange for commercial profit, other than the firstarticle deliverable product.

(22) "Roll Coat" means a coating applicati on method accomplished by rolling a coating onto a flat surface using a roll applicator.

(23) "Solvent" means any organic solvent.

(24) "Source" means any article, machine, equipment, contrivance, operation or a group of such articles, machines, equipment, c ontrivances or operations that emits or may emit volatile organic compounds.

(25) "Solvent Cleaning" means the removal of uncured adhesives, inks, coatings, and other contaminants such as dirt, soil, and grease from parts, products, tools, machinery, equipment or general work area.

(26) "Surface Preparation" means the cleaning of surf aces by utilizing cleaning materials containing VOCs prior to coating, further treatment, sale or intended use.

(27) "Surface Coating" or "Surface Coating Operation" means all steps involved in the application, drying and curing of coatings.

(28) "Touch-up Operation" means the portion of a surf ace coating operation which is incidental to the main coating process but necessary to cover minor imperfections or minor mechanical damage incu rred prior to intended use.

(29) "Volatile Organic Compound (VOC)" means the same as defined in Rule 2.

(30) "VOC Content per Volume of Coatin gs, Less Water and Exempt Compounds" means the weight of VOC per combined volume of VOC and coating solids and is calculated by the equation provided in Rule 2.

(31) "VOC Content per Volume of Cleani ng Material or Low-Solids Coating” means the weight of VOC per volume of clean ing material or low-solids coating and is calculated by the equation provided in Rule 2.

Regulation IV -5- Rule 66.1(32) "Wipe Cleaning" means a method of surface preparation or solvent cleaning

that is not conducted in a c ontainer but performed by physica lly rubbing the surface with a material such as a rag, paper, sponge or cott on swab moistened with a cleaning material.

(d) STANDARDS

(1) Surface Coating and Other Operations

A person shall not conduct any surface coating or other operation, excluding surface preparation and solvent cleaning operations, that may result in emissions of volatile organic compounds unless one of the following requirements is satisfied:

(i) VOC emissions from such operation are less than 5 tons per calendar year, excluding emissions from cleaning operations; or

(ii) VOC emissions are reduced by air pollution control equipment in compliance with all the applicable requirements of Section (e); or

(iii) a surface coati ng operation is conducted by usi ng air-dried coatings with a VOC content not higher than 420 grams/liter (3.5 lbs/gal) of coating, less water and exempt compounds, as applied, or by using baked coatings with a VOC content not higher than 360 grams/liter (3.0 lbs/gal) of coating, less water and exempt compounds, as applied.

(2) Surface Preparation and Solvent Cleaning Operations

A person shall not conduct a surface pr eparation or solven t cleaning operation, including wipe cleaning but ex cluding cleaning of coating ap plication equipment, unless the VOC content of cleaning material is 50 gram s/liter (0.42 lbs/gal), or less as used, or the total VOC vapor pressure of clean ing material is 8 mm Hg at 20 o C (68 o F) or less.

(3) Application Equipment fo r Surface Coating Operations.

(i) Coating Application Methods.

No surface coatings shall be applied unless one of the following application

methods is used:

(A) Hand application method, or

(B) Dip coat, or

(C) Roll coat, or

(D) Flow coat, or

(E) Electrostatic spray, or

Regulation IV -6- Rule 66.1(F) High-volume low-pressure (HVLP) spray. Facilities using HVLP spray shall have available on site pressu re gauges in proper operating conditions to measure air pressure at the air c up, or have manufacturer’s information regarding the correlation between the air cap pressure a nd the handle inlet

pressure, or

G) Other coating application methods that are demonstrated to have a transfer efficiency equal at a minimum to one of the above application methods,

and which are used in such a manner that the parameters under which they were tested are permanent featur es of the method. Such co ating application methods shall be approved in writing by the Air Pollution Control Officer prior to use.

(ii) Cleaning of Coating Application Equipment

A person shall not use VOC containing ma terials for the cleaning of coating application equipment used in operati ons subject to this rule unless:

(A) The cleaning material contains 50 grams or less of VOC per liter of material; or

(B) The cleaning material is flushed or rinsed through the application equipment in a contained manner that will minimize evaporation into the atmosphere; or

(C) The application equipment or equipment parts are cleaned in a container which is open only when being accessed for adding, cleaning, or removing application equipment or its parts and provided that the cleaned equipment or its parts are drained to th e container until dripping ceases; or

(D) A system is used that totally encloses the component parts being cleaned during the washing, rins ing, and draining processes.

(e) CONTROL EQUIPMENT

(1) In lieu of complying with the provis ions of Section (d) of this rule, an owner/operator may use an air po llution control system which:

(i) Has been installed in accordance with an Authority to Construct; and

(ii) Has a combined emissions capture and control device efficiency of at least 85% by weight.

Regulation IV -7- Rule 66.1(2) A person electing to use control equipm ent pursuant to Subsection (e)(1) shall

submit to the Air Pollution Control Officer for approval an Operation and Maintenance plan for the proposed emission control device and emission collection system and receive approval prior to operation of the control equipm ent. Thereafter, the plan can be modified, with Air Pollution Control Officer approval, as necessary to ensure compliance. Such plan

shall:

(i) Identify all key system operati ng parameters. Key system operating parameters are those necessary to ensure compliance with Subsection (e)(1)(ii), such

as temperature, pressure and/or flow rate; and

(ii) Include proposed inspection sche dules, anticipated ongoing maintenance, and proposed recordkeeping practices regarding the key system operating parameters.

(3) Upon approval by the Air Pollution Control Officer, a pe rson subject to the requirements of Section (e) shall implement th e Operation and Maintenance plan and shall comply thereafter with the pr ovisions of the approved plan.

(f) RECORDKEEPING REQUIREMENTS

(1) Any person conducting operations subject to this rule shal l maintain a current list of each coating, solvent, or other VOC c ontaining material in use, which provides the VOC content and all other data necessary to evaluate compliance, including but not limited

to:

(i) Manufacturer name and identification for each material containing VOCs;

and

(ii) For coatings, other than low-solid coatings, the VOC content expressed in grams per liter (lbs/gal), less water and exempt compounds, as applied and mix ratio of components, if applicable; and

(iii) Actual oven drying te mperature, if applicable; and

(iv) For surface preparation and cleaning materials or for low-solid coatings, the VOC content expressed in grams per lite r (lbs/gal) of cleaning material or lowsolids coating as used, and de nsity and mix ratio of com ponents, if applicable; and

(v) For other materials containing VOC s, other than surface coatings, surface preparation or cleaning materi als, the VOC concentration per weight or volume of

material.

(2) In addition, any person conducting operat ions subject to this rule shall:

(i) Maintain monthly records of the amount of each coating used; and

Regulation IV -8- Rule 66.1(ii) Maintain monthly inventory, purch asing or dispensing records for each surface preparation and cleaning material or other VOC containing materials used.

(3) In addition, any person using control e quipment pursuant to Section (e) of this rule shall maintain daily records of key sy stem operating parameters as approved in the Operation and Maintenance plan pursuant to Subsection (e)(2). Such records shall be sufficient to document continuous compliance w ith Subsection (e)(1)(ii ) during periods of emission producing activities.

(4) All records shall be retained onsite fo r at least three years and made available to the District upon request.

(g) MANUFACTURER AND SUPPLIER INFORMATION

Any person, who manufactures, sells, offers for sale, or supplies to users in San Diego County any coating, coating component, solvent cleaning material, or an y other VOC containing material that is used in an operation that may be subject to this rule shall provide the following

information to customers:

(1) The manufacturer’s name and identif ication of each coating or coating component, surface preparation material, equipmen t cleaning material or any other material containing VOCs; and

(2) The VOC content of coatings, as su pplied, expressed in grams per liter or pounds per gallon, less water a nd exempt compounds; and

(3) The VOC content of low-solid co atings, as supplied, surface preparation or solvent cleaning materials or any other mate rials containing VOCs in grams per liter or pounds per gallon; and

(4) Any other necessary informati on enabling a user to comply with the requirements of Secti on (d) of this rule.

(h) TEST METHODS

When more than one test method or set of te st methods are specified in this Section, a violation of any requirement of this rule established by any one of the specified test methods or

set of test methods shall consti tute a violation of the rule.

(1) The VOC content of coatings containi ng more than 50 grams of VOC per liter of material shall be determined by the Envi ronmental Protection Agency (EPA) Reference Method 24 (Determination of Volatile Matter Content, Water Content, Density, Volume Solids, and Weight Solids of Surface Coa tings, 40 CFR Part 60, Appendix A) or by the South Coast Air Quality Management Dist rict Method 304 (Determination of Volatile Organic Compounds in Various Material s) as they exist on February 24, 2010.

Regulation IV -9- Rule 66.1(2) The VOC content of solvents or coa tings containing 50 grams of VOC per liter of material or less shall be determined by the South Coast Air Quality Management District (SCAQMD) Method 313 (Determination of Volatile Organic Compounds by Gas Chromatography/Mass Spectrometry), SC AQMD Method 308 (Quantification of Compounds by Gas Chromatography) as they exist on February 24, 2010, or any other alternative test methods approved by EPA, California Air Resources Board, and the Air

Pollution Control Officer.

(3) The content of methyl acetate, a cetone and parachlorobenzotrifluoride

shall be determined in accordance with the ASTM Test Method D6133-02 (2008) (Standard Test Method for Acetone, p-Chlorobe nzotrifluoride, Methyl Acetate or t-Butyl

Acetate Content of Solventborne and Wate rborne Paints, Coati ngs, Resins, and Raw Materials by Direct Injecti on Into a Gas Chromatograph), or its most current version.

(4) Calculation of total VOC va por pressure for material s subject to Subsection (d)(2) of this rule shall be conducted in accordance with the District's "Procedures for Estimating the Vapor Pressure of VOC Mixtures ." If the vapor pr essure of the liquid mixture, as calculated by this procedure, exceeds the limits specified in Subsection (d)(2), the vapor pressure shall be determined in accordance with ASTM Standard Test Method D2879-97(2007) (Standard Test Method for Vapor Pressure-Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope), or its most current version.

(5) Measurements of transfer efficiency pursuant to Subsection (d)(3)(i)(G) of this rule shall be conducted in accordance with the SCAQMD "Spray Equipment Transfer Efficiency Test Procedure for Equipment User," as it exists on February 24, 2010. The equivalency of coating application equi pment pursuant to Subsection (d)(3)(i)(G) shall be determined by the SCAQMD “Guidelines for Demonstrating Equivalency with District Approved Transfer Efficient Spray Guns ” as they exist on February 24, 2010.

(6) The overall control efficiency of air pollution control equipment operated pursuant to Subsection (e)(1)(ii) shall be dete rmined by multiplying the capture efficiency of the emission collection system by the cont rol efficiency of the air pollution control device. The control efficiency of the air po llution control device sha ll be determined using EPA Test Methods 25A and/or 18 (40 CFR Part 60, Appendix A) and in accordance with a protocol approved by the Air Pollution Control Officer.

(7) Capture efficiency shall be determined according to EPA Test Method 204 and technical document, “Guidelines for Determin ing Capture Efficiency,” dated January 9, 1995. Subsequent to the initia l compliance demonstration period, appropriate key system operating parameters as approved by the Air Pollution Control Officer may be used as indicators of the performance of the emission control system.

(i) COMPLIANCE SCHEDULE

(1) All new operations or processes subject to this rule shall comply with all applicable requirements upon initial startup.

Regulation IV -10- Rule 66.1(2) All existing operations or processes subj ect to this rule shall comply with all applicable requirements no later than February 24, 2011.

(3) The owner or operator of an existing ope ration that chooses to comply with the rule by installing air poll ution control equipment pursuant to Section (e) of this rule shall:

(i) By August 24, 2010, submit to the Air Pollution Control Officer an application for an Authority to Construc t and a Permit to Operate an air pollution control system as specified in Section (e).

(ii) By August 24, 2011, comply with al l applicable rule requirements.

Regulation IV -11- Rule 66.1