p.1 

OAR Box 1413 

Prepped by Ollie Stewart 

Document Number: 

5) 11-1-5 

Docket Number: 

A-94-52 

Printed 7/9/2008 3:11:20 PM 

i 

Sheet 5 of 114 
P.2 

V .. 

NOU-18-1923 13:53 BflftQMD / ENF. SUCS. 

Bay Areji)Air Quality Management District 

ENFORCEMEN" SERVICES FAX Message / Transmittal Sheet 

DATE: "i //J/13 

TO: /lader/eata+ic, Struts 

OF: &pA OA$f>S 

FROM: Vf/U 

BAAQMD Voice phone: (415)*y>gSPSg*«tr ^ 9 *3? ^ 

Call this number If you are experiencing transmission problems. 

MESSAGE: 

lank 

A..Q4-52 

P.01 *2> <• cr 

^3 

rl^ ^ 7 

PAGES TO 

FOLLOW: ^ 

TO FAX Replies to this Message, Breakdowns, Excesses, Soil. 

and Asbestos Notifications 1 (415) 928-0338 (FAX) 

ALL OTHER B/AQMD BUSINESS: (415) 928-8560 (FAX) 
P.3 

NCU-18-1993 13:53 BflflQMD / ENF. SUCS. P.02 

8-50-100 

8-50-101 

8-50-110 

G -NERAL 

D( iserlption: The purpose of this Rule is to limit organic compound emissions from 

th 2 manufacturing of products using polyester resins. 

U nited Exemption, Touch-up and Repair: The requirements of Sections 8-50-301 

sl- all not apply to touch-up and repair. 

8-50-200 Dl SFINITIONS 

8-50-201 

8-50-202 

8-50-203 

8-50-204 

8-50-205 

8-50-206 

8*50-207 

8-50-208 

8-50^09 

8-50-210 

8-50-211 

8-50*212 

8-50-213 

8-50-214 

8-50-215 

8-50-216 

8-50-217 

REGULATION 8 

ORGANIC COMPOUNDS 

RULE 50 

POLYESTER RESIN OPERATIONS 

(Adopted December 5,1980) 

Ci rtalyst: A substance added to the resin to Initiate polymerization. 

Cleaning Materials: Materials used to dean hands, tools, molds, application 

et ufpment, work area, and other process related equipment. 

Closed-mold System: A system of forming objects from polyester resins by 

pi icing the material in a confining cavity and applying pressure and/or heat. 

Ci >ntrol System: A control device and collection system designed in accordance 

wi :h good engineering practices. 

Corrosion-resistant Materials: Halogenated. furan, bisphenol-A, Vinyl-ester, or 

isi (phthalic resins used to make products for corrosive or fire retardant services. 

CiOSS-linklng: The chemical process of joining two or more polymer chains 

to jether. 

Fl Mrglass: A fiber similar in appearance to wool or cotton fiber but made from 

gl iss. 

Gi >l Coat. A polyester resin surface coating that provides a cosmetic enhancement 

ar d improves resistance to degradation from exposure to the environment. 

In ilbltor: A substance used to slow down or prevent a chemical reaction. 

L< w-VOC Emission Resin System: A polyester resin material which contains 

a_ ditives to reduce monomer evaporation loss. 

M jnomer: A relatively low molecular weight organic compound that combines with 

itsBlf or other similar compounds to become a polymerized thermosetting resin. 

P< ilyester: A complex polymeric ester containing difunctional acids. 

P( ilyester Resin Material: Any VOC containing materials used in polyester resin 

o* orations which include, but are not limited, to unsaturated polyester resins such 

a! isophthalic, orthophthalic, halogenated, bisphenol-A, vinyl-ester, or furan resins; 

cr jss-linking agents; catalysts, gel coats, inhibitors, accelerators, promoters, and 

ar y other VOC containing materialsP< ilyester Resin Operations: Methods used for the production or rework of 

prsduct by mixing, pouring, hand laying-up, impregnating, injecting, forming. 

sf raying, and/or curing unsaturated polyester materials with fiberglass, fillers, or 

ar y other reinforcement materials and associated clean-up. 

P< »lymer: A substance consisting ot a large number of chemical groups and which 

is formed by the chemical linking of monomers. 

P< ilymerlze: Transformation from a liquid to a solid or semi-solid state to achieve 

d( sired product physical properties, induding hardness. 

Ri ipalr: The part of the fabrication process that requires the addition of polyester 

material to portions of a previously fabricated product in order to mend minor 

st uctura) damage immediately following normal fabrication operations. 

8-50-3 
P.4 

NOU-18-1993 13:54 BftflQMD / ENF. SUCS. P.03 

8-50-218 R_sin: Any class of organic polymers of natural or synthetic origin used in 

reinforced products to surround and hold fibers, and is solid or semi-solid in the 

p "lymerized state. 

8-50-219 Touch-up: The portion ofthe fabrication process that is necessary to cover minor 

in iperfections. 

8-50-220 V >lstlle Organic Compound (VOC): Any organic compound (excluding methane, 

a irbon monoxide, carbon dioxide, carbonic acid, metallic carbides of carbonates 

and ammonium carbonate) which would be emitted during use application, curing 

Oi drying of a solvent or polyester resin material. 

8-50-221 V ipor Suppressant: A substance added to resin to minimize the outward diffusion 

01 monomer vapor into the atmosphere. 

8-50-222 Waste Materials: Materials including, but not limited to, any scrap resulting from 

cutting and grinding operations, any paper or cloth used for cleaning operations, 

w iste resins, non-polymerized waste resins, and any spent cleaning materials. 

8-50-223 A rless Spray: Equipment used to apply materials by use of fluid pressure without 

atomizing air, including heated airless spray. 

8-50-224 A r Assisted Airless Spray: Equipment used to apply materials that uses fluid 

piessure to atomize coating and air pressure between 0.1 and 10 psig to adjust the 

si iray pattern. 

8-50-225 H gh-Volume Low-pressure (HVLP) Spray: Equipment used to apply materials by 

means of a gun which operates between 0.1 and 10 psig air pressure. 

8-50-226 Ei ectrostatlc Air Spray: Equipment used to apply materials by charging atomized 

particles that are deposited by electrostatic attraction. 

8-50-300 S' 'ANDARDS 

8-50-301 Pioeess Requirements: Effective June 1. 1991, a polyester resin operation shall 

u: e one or more of the following emission reducing methods except as provided in 

Si sction 8-50-304: 

3( 1.1 Use polyester resin material with a monomer content of no greater than 35 

percent by weight. 

3( 1 2 Use a resin containing vapor suppressant, such that weight loss from VOC 

emissions do not exceed 60 grams pet square meter of exposed surface 

area during resin polymerization. 

3C1.3 Use a closed-mold system. 

8-50-302 Spraying Operations: A polyester resin operation using spray application 

ec uipment shall use one or more ofthe following spray equipment: 

3(2.1 Airless Spray 

3C 2.2 Air-assisted Airless Spray 

' 3(2.3 Electrostatic Spray 

3d 2.4 High-volume, Low-pressure Spray 

8-50*303 Et -fission Control Requirement: The requirements of Sections 8-50-301 and 302 

sh all not apply to polyester resin operations which install and properly operate an 

er lission control system approved In writing by the Air Pollution Control Officer. 

Tl*e control device must reduce organic compound emissions by at least 85 

pe rcent. 

8-50-304 Corrosion-resistant Materials: Effective June 1, 1991, any polyester resin 

op eration using corrosion-resistant materials to manufacture products for corrosive 

or fire retardant service shall use a polyester resin material with a monomer content 

of no greater than 50 percent by weight. 

8*50-305 Si rface Preparation and Clean-up Solvent: The requirements of this section shall 

apply to any polyester resin operation using organic solvent for surface preparation 

and clean-up. 

8*50-4 
P.5 

NOU-18-1993 13:54 BAAQMD / ENF. SUCS. P.04 

8-50-306 

8-50-307 

8-50-500 

8-50-501 

8*50-600 

8-50-601 

8-50-602 

3)5.1 

3)5.2 

3)5.3 

3)5.4 

A polyester resin operation shall use closed containers for the storage of all 

polyester resin materials, cleaning materials and any unused VOCcontaining materials except when accessed for use. 

A polyester resin operation shall use self-dosing containers for the disposal 

of all polyester resin materials, cleaning materials, waste materials, and any 

unused VOC containing materials in such a manner as to effectively control 

VOC emissions to the atmosphere. 

A polyester resin operation shall not use organic compounds for the cleanup of spray equipment including spray lines unless equipment for collecting 

the deaning material and minimizing their evaporation to the atmosphere is 

used. 

A polyester resin operation shall use cleaning materials that contain no 

greater than 200 grams of VOC per liter of material. 

Equipment Requirements: Effective June 1,1991, all resin baths shall be covered 

t. reduce organic compound emissions. 

Gel Coat Requirement A person shall not use a gel coat which contains more 

tl an 250 grams of volatile compounds per liter of coating applied. 

h ONITORING AND RECORDS 

Records: Effective June 1, 1991, any polyester resin operaton shall comply with 

tf e following requirements, as applicable: 

911.1 Maintain a list of resin, catalyst, and cleaning material used. 

501.2 Maintain a list of the weight of VOC (In percent) in the polyester resin 

materials and the grams of VOC per liter forthe cleaning materials. 

501.3 For vapor suppressed resins, maintain a list of the weight loss (grams per 

square meter) during resin polymerization, the monomer percentage, and 

the gel time for each resin. 

5<J)1.4 Maintain records on a daily basis that provide the following information as 

applicable: 

a. the amount of each of the polyester resin materials and cleaning materials 

used. 

b. the volume of resin and cleaning materials used for touch-up and repair. 

501.5 Such records shall be retained and available for- inspection by the APCO For 

the previous 24-month period. 

MANUAL OP PROCEDURES 

Ai rnlysis of Samples: Samples from polyester resin operations shall be analyzed 

as follows: 

6(1.1 

6(1.2 

6(1.3 

Samples of gel coat as specified in Sections 8-50-307 shall be analyzed as 

prescribed in the Manual of Procedures, Volume III, Method 26. 

Samples of cleaning materials as specified in Section 8-50-305.4 shall be 

analyzed as prescribed in the Manual of Procedures, Volume III, Method 31. 

Samples of polyester resin material as specified in Sections 8-50-301 and 

304 shall be analyzed as prescribed in the Manual of Procedures. Volume 

III, Method 23. 

Determination of Emissions: Emissions from polyester resin operations as 

specified in Section 8-50-303 shall be analyzed as prescribed in the Manual of 

Pi "tcedures, Volume IV, ST-7. 

8-50-5 

TOTAL P.04