10/ 12 Rule 74.20 : 1 VENTURA COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 74.20

- ADHESIVES AND SEALAN TS (Adopted 6/8/93, Revised 9/10/96, 1/14/97, 9/9/03, 1/11/05

, 9 /

11 /12 )

A. Applicability

The provisions of this rule apply to any person who supplies, sells, offers for sale

, manufactures, solicits the application of, or uses adhesives, sealants, sealant primers or adhesive primers in Ventura County.

B. Requirements

1. Unless otherwise specified in Subsection B.2 or B.3, a person shall not apply any adhesives or any adhes ive primers, which have an ROC content less water and exempt organic compounds in excess of 250 g/l (for low

- solids adhesives or adhesive primers, the ROC content is based on a "grams per liter of material" basis).

2. Adhesives/Sealants/Adhesive Primers/ Sealant Primers (Specific Applications): No person shall apply any adhesive, sealant or primer, which is defined under the following product categories, and has an ROC content, less water and exempt organic compounds in excess of the following limits, as applied (for low

- solids adhesives, sealants or primers, the ROC content is based on a "grams per liter of material" basis).

Limits "Grams of ROC per Liter of Adhesive, Sealant or Primer Less Water and Exempt Organic Compounds"

Category

Architectural Adh esive Products: Multipurpose Architectural Adhesive 70

Ceramic Wall Tile Adhesive 65

Cove Base Adhesive 50 Drywall Adhesive 50 Flooring Adhesives:

Ceramic Floor Tile 65 Outdoor Carpet 150 Indoor Carpet or Carpet Pad 50

Rubber Flooring 60

Subfloor Adhesive 50 VCT and Asphalt Tile 50 Wood Flooring 100 Other Flooring 150

Panel Adhesive 5010/ 12 Rule 74.20 : 2 Limits "Grams of ROC per Liter of Adhesive, Sealant or Primer Less Water and Exempt Organic Compounds"

Category

A rchitectural Adhesive Products (cont.): Roofing Adhesives: Single Ply Roof Membrane 250

Nonmembrane Roof 300 Structural Glazing Adhesive 100

Structural Wood Member Adhesive 140

Miscellaneous Adhesives:

Contact Adhesive 80 Special Purpose Co ntact Adhesive 250

Sheet

- Applied Rubber Lining Operations 850

Tire Retread 100 Traffic Marking Tape Adhesive 150 Top and Trim Adhesive 540

Plastic Welding Products: ABS Welding 400 Cellulosic Plastic Welding (except ethyl cellulose ) 100 CPVC Welding 490 PVC Welding 510 Styrene

- Acrylonitrile Welding 100 Plastic Welding Primer 650 Other plastic welding 500

Adhesive Primers:

Automotive Glass Adhesive Primer 700

Other Adhesive Primer 250

Sealan ts:
Architectural 250

Marine Deck 760

Nonmembrane Roof 300 Roadway 250 Single

- Ply Roof Membrane 450

Other Sealants 420

Sealant Primers: Architectural Nonporous 250

Architectural Porous 775

Marine De ck 760

Other Sealant Primers 75010/ 12 Rule 74.20 : 3 3. Adhesives (Substrates or Nonspecific Operations): No person shall apply any adhesive to a substrate with an ROC content, "less water and exempt organic compounds" in excess of the following limits, as appli ed (for low

- solid adhesives, sealants or primers, the ROC content is based on a "grams per liter of material basis").

If an adhesive is used to bond dissimilar substrates, the applicable substrate category with the highest ROC limit shall be the limit f or that operation. If an operator uses an adhesive product listed in Subsection B.2, then the requirement in that section applies

rather than this one.

Limits "Grams of ROC per Liter of Adhesive Less Water and Exempt Organic Compounds"

Substrate/Applicat ion Fiberglass 80 Flexible Vinyl 250

Metal to Metal 30

Plastic Foam 50

Porous Material (Except Wood and Plastic Foam) 50

Wood 30

4. Substrate Surface Preparation:

Until December 1, 2012, n o person shall use a material for substrate surface preparation that exceeds the following applicable limit:

Category Type of Limit Limit Single Ply Roof ROC Composite 45 mm of Hg

Membrane Installation Partial Pressure at 20 o C Inkjet Printer Head Assembly ROC Content 200 g/l of material

All Others ROC Content 70 g/l of material

Effective December 1, 2012, no person shall use a material for substrate surface preparation that exceeds the following applicable limit:

Category Type of Limit Limit Inkjet Printer Head Assembly ROC Content 2 00 g/l of material

All Others ROC Content 25 g/l of material

5. Solvent Cleaning : Until December 1, 2012, n o person shall use ROC

- containing materials for the removal of adhesives or coatings from surfaces, other than spr ay application equipment, unless the ROC composite partial pressure of the materials used is less than 45 mm of Hg at 20

o C.10/ 12 Rule 74.20 : 4 Effective December 1, 2012, No person shall use ROC

- containing materials for solvent cleaning unless the ROC content is 25 gram s per liter of material or lower.

6. Storage of ROC

- Containing Materials: All ROC

- containing materials , including but not limited to, adhesives, sealants, coatings, cleanup solvents or surface preparation materials, shall be stored in closed containers, which are nonabsorbent and do not leak

. These storage containers shall be closed except when filling or emptying.

7. Adhesive Spray Application Equipment Cleaning:

Until December 1, 2012, No person shall use ROC

- containing materials for the cleaning of spray application equipment used in adhesive operations unless one of the following

is used:

a. An enclosed gun washer or "low emission spray gun cleaner" that has been approved in writing by the APCO is properly used and is closed when not in use. The ROC composite partial pressure of organic solvents used shall be less than 45 mm Hg at 20 o C; or

b. A solvent containing no more than 70 grams of ROC per liter of material shall be used for cleaning, flushing or soaking of filters, flushing lines, p ipes, pumps, and other parts of the application equipment. Parts containing dried adhesive may be soaked in an organic solvent as long as the ROC composite partial pressure of the solvent is 9.5 mm Hg or less at 20 o C.

Effective December 1, 2012, No pe rson shall use ROC

- containing materials for the cleaning of spray application equipment used in adhesive operations unless a solvent containing no more than 25 grams of ROC per liter of material shall be used for cleaning, flushing or soaking of filters, f lushing lines, pipes, pumps, and other parts of the application equipment.

8. Add

- on Control Equipment Option: In lieu of complying with the provisions of Subsections B.1, B.2 or B.3, emissions of ROC may be controlled by an emission capture and contro l system, which reduces ROC emissions to the atmosphere, provided

that:

a. The combined control and capture efficiency reduces emissions by at least 85 percent, by weight, during any period of continuous operation not to exceed 24 hours, and

b. W ritten approval for such equipment, in the form of an Authority to Construct and a Permit to Operate is received from the Air Pollution Control Officer (APCO).10/ 12 Rule 74.20 : 5 9. Adhesive Strippers: No person shall use an adhesive stripper unless its ROC composite
part ial pressure is 9.5 mm Hg or less at 20 o C.

10. Primers, Sealants or Adhesives Containing 1,1,1

- Trichloroethane or Methylene Chloride: No person shall apply any primer, sealant or adhesive to any surface, if that product contains any 1,1,1

- trichloroet hane or methylene chloride. Adhesives containing methylene chloride used to plastic weld the following plastic substrates are exempt from this requirement:

a. Polycarbonate

b. Polysulfone

c. Acrylics including Polymethylmethacrylate (PMMA)

d. Phe nylene

- Oxide based resins

e. Polyetherimide

11. Prohibition of Specification: No person shall solicit, require for use, or specify the application of any adhesive, primer or sealant, if such use or application results in a violation of the provisions of this Rule. This prohibition shall apply to all written or

oral contracts.

12. Compliance Statement Requirement: The manufacturer of any adhesive, sealant, sealant primer or adhesive primer subject to this rule shall include a designation of the

maxi mum ROC or VOC content as supplied, including adhesive components, expressed in grams per liter or pounds per gallon excluding water and exempt organic compounds from the appropriate test method, on containers and data sheets. This designation shall

inclu de recommendations regarding thinning, reducing, or mixing with any other ROC

or VOC

- containing materials. This statement shall include the maximum ROC or VOC

on an as

- applied basis when used in accordance with the manufacturer's

recommendations.

13. Liquid Cleaning Material Compliance Statement: The manufacturer of liquid cleaning materials subject to this rule shall designate on product containers and data sheets the ROC content and ROC Composite Partial Pressure of cleaning materials as supplied. This designation shall include recommendations regarding mixing with any other ROC containing materials, and express the cleaning material ROC content when used in

accordance with the manufacturer's recommendations. All letters and numbers used to designa te ROC or VOC content on product labels shall be visible and legible.

14. Prohibition of Sales:

a. Except as provided in Subsections B.14.c, B.14.d, or B.14.e, no person shall supply, sell, or offer for sale any adhesive, sealant or primer which, at t he time of sale, is defined under a product category in Subsection B.2, and exceeds the ROC limits listed in Subsection B.2 after the specified effective dates. This provision only applies to products that are supplied to or sold to persons within

the Dis trict.10/ 12 Rule 74.20 : 6 b. Except as provided in Subsections B.14.c, B.14.d, or B.14.e, no person shall supply, sell, or offer for sale any adhesive, sealant, or primer which, at the time of sale, contains any 1,1,1

- trichloroethane or methylene chloride, except for

thos e adhesives designed to plastic weld polycarbonates, polysulfones, acrylics, phenylene oxide based resins or polyetherimides.

c. The sales prohibition in Subsections B.14.a and B.14.b shall not apply to any supplier or seller of any adhesive, sealant or primer as follows:

1) Any adhesive shipped outside of the District for use outside of the

District.

2) The sale of adhesives to a user who has installed an APCD permitted

ROC add

- on control device.

d. The sales prohibitions in Subsections B.14 .a and B.14.b shall not apply to the sale of any adhesive, sealant, or primer, except plastic welding products, if:

1) The adhesive, sealant, or primer is sold in any container(s) having a capacity of 16 ounces or less (net volume) or 1 pound or less ( net weight); and

2) The total weight or volume of two or more containers packaged together must be less than 1 pound or 16 ounces, respectively, to qualify for this exemption.

e. The sales prohibitions in Subsections B.14.a and B.14.b shall not apply to any manufacturer of any adhesive, sealant, or primer if the manufacturer has provided an accurate compliance statement and if:

1) The product was not sold directly to a user or a sales outlet located in the District, or

2) The product wa s sold to an independent distributor that is not a subsidiary of, or under the direct control of the manufacturer.

C. Exemptions

1. This rule, except Section B.14, shall not apply to any stationary source that emits less than 200 pounds of ROC in every r olling period of 12 consecutive calendar months from adhesive and sealant operations. Emissions from cold cleaners, vapor degreasers, and aerosol products shall not be included in this determination. Any person claiming this exemption shall provide month ly records sufficient to substantiate this claim.10/ 12 Rule 74.20 : 7 2. Exemption of Operations Subject to Other District Rules: The provisions of this rule shall not apply to the following operations that are subject to other District rules.

a. Assembling, manufacturing and repairing of aerospace components subject to Rule 74.13, excluding manufacturing of aircraft tires.

b. Any graphic arts operation subject to the requirements of Rule 74.19, Graphic

Arts.

c. Any screen printing operation subject to the requiremen ts of Rule 74.19.1, Screen Printing Operations.

3. Exemption of Specific Operations from ROC Standards for Adhesives/Sealants/Primers: The ROC limits of Subsections B.1, B.2, and B.3 of this rule shall not apply to the following operations.

a. Assem bling and manufacturing of undersea

- based weapon systems.

b. Testing and evaluation of adhesive or sealant products in any research and development or analytical laboratories.

c. Plastic welding operations used in the manufacturing of medical devices

.

d. Tire repair operations, provided the label on the adhesive used states "For Tire Repair Only".

e. Plaque laminating operations where adhesives are used to bond a clear, polyester acetate laminate to wood with lamination equipment installed pr ior to July 1,

1992.

f. Manufacturing operations of the following products: diving suits, rubber fuel bladders, inflatable boats, life preservers or other products designed for immersion in liquids. The adhesive products used by these operations mus t be labeled "For the bonding of immersible products only."

g. Inkjet printer head assembly operations where the ROC content of the adhesive used for laminating is less than 100 grams per liter of material.

h. Thin film laminating operations of magnetic or electronic components excluding inkjet printer head assembly operations.

i. Glass bonding and priming processes in automotive convertible top manufacturing operations.10/ 12 Rule 74.20 : 8 4. Exemption of Specific Adhesives:

a. Any adhesive, primer, or sealant tha t contains less than 20 grams of ROC per liter of material is exempt from all the provisions of this rule.

b. Any aerosol adhesive is exempt from all provisions of this rule.

c. Any cyanoacrylate or methyacrylate

- based adhesive is exempt from all

pro visions of this rule.

5. The provisions of Subsection B.3 of this rule shall not apply to any person who uses less than 10 gallons per rolling period (consisting of 12 consecutive calendar months) per stationary source of an adhesive, a sealant, or primer in a separate formulation provided the total volume of noncomplying adhesives, sealants, or primers at a stationary source does not exceed 55 gallons per rolling period (consisting of 12 consecutive calendar months). If a specific adhesive, sealant, seal ant primer or adhesive primer can be defined under one of the product categories in Subsection B.2, then this exemption does not apply. Any person seeking to claim this exemption shall notify the APCO in writing that a complying adhesive, sealant or prime r is not available and maintain records

sufficient to substantiate this claim.

D. Recordkeeping

1. Any person subject to this rule shall:

a. Maintain a current list of all adhesive s , sealant s , primer s , stripper s and solvent s that provides all infor mation necessary to evaluate compliance includ ing the following , as applicable:

1) The name and manufacturer of each ROC

- containing material including any catalysts, reducers, or other components used.

2) M ix ratio , if applicable

.

3) ROC co ntent (less water and exempt organic compounds except low

solids coatings, which are expressed as grams per liter of material basis )

, as applied, or ROC composite partial pressure of the adhesive, sealant, primer, solvent , or stripper

.

4) Applicable R OC content limit or ROC composite partial pressure limit

from Section B.

b. Maintain records of the monthly volume of each complying adhesive, sealant, primer solvent , or stripper used that is required to be tracked by a District permit condition.10/ 12 Rule 74.20 : 9 c. Maintain records of the daily volume of each noncompliant adhesive, sealant, primer solvent or stripper used. Adhesives, sealants or primers qualifying for the exemption in Subsection C.5 shall not be subject to this daily recordkeeping requirement.

d. Any person using an emission control system as a means of complying with this rule shall maintain daily records of key system operating and maintenance procedures which will demonstrate continuous operation and compliance of the

emission control device during periods of emission producing activities.

2. All records shall be retained for at least two (2) years from the date of each entry and shall be available to District personnel upon request.

E. Test Methods

1. The ROC and solids content of al l adhesives products, sealants, primers and cleaning solvents, except as specified in Section E.3, shall be determined using EPA Reference Method 24 (40 CFR Part 60, Appendix A).

2. Exempt organic compounds shall be determined using ASTM D4457

- 91. For exempt compounds where no reference test method is available, a facility requesting the exemption shall provide appropriate test methods approved by the APCO and approvable by the U.S. EPA.

3. The ROC content of any plastic welding product shall be det ermined using Proposed SCAQMD Laboratory Method of Analysis for Enforcement Samples, Method 316a

- 92, “Determination of VOC in Material Used for Pipes and Fittings”(October 1996)

.

4. The capture efficiency shall be determined according to EPA's techni cal document, "Guidelines for Determining Capture Efficiency," January 9, 1995, and Methods in 40 CFR 51 Appendix M, Methods 204

- 204F , as applicable : Methods 204, Criteria for and Verification of a Permanent or Temporary Total Enclosure Method 204A, VO C content in Liquid Input Stream Method 204B, VOC Emissions in Captured Stream Method 204C, VOC Emissions in Captured Stream (Dilution Technique) Method 204D, VOC Emissions in Un

- captured Stream from Temporary Total Enclosure Method 204E, VOC Emissions in Un

- captured Stream from Building Enclosure, and Method 204F, VOC Content in Liquid Input Streams (Distillation Approach)

Control system efficiency shall be determined by 40 CFR 60, Appendix A, Method 18

, “Measurement of Gaseous Organic Compound Emis sions by Gas Chromatography”

, Method 25 , “Determination of Total Gaseous Nonmethane Organic Emissions as

Carbon” or Method 25A , “Determination of Total Gaseous Organic Concentration Using a Flame Ionization Analyzer

. ”10/ 12 Rule 74.20 : 10 5. ROC composite partial pressure sha ll be calculated using a widely accepted published source such as: Boublik, T., V. Fried and E. Hala, "The Vapor Pressure of Pure Substances," Elsevier Scientific Publishing Co. New York (1973); Perry's Chemical Engineer's Handbook, McGraw

- Hill Book Compan y; CRC Handbook of Chemistry and Physics, Chemical Rubber Publishing Company (1986

- 87), and Lange's Handbook of Chemistry, John A. Dean, editor, McGraw

- Hill Book Company (1985). The true vapor pressure of a component in a mix may be determined by ASTM Met hod D2879

- 96. The ROC composite pressure of a solvent mix consisting entirely of ROC may be determined by ASTM Method D2879

- 97, “Test Method for Vapor Pressure

Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope.”

.

6. Until December 1, 2012, t he active and passive solvent losses from spray gun cleaning systems shall be determined using SCAQMD's "General Test Method for Determining Solvent Losses from Spray Gun Cleaning Systems" dated October 3, 1989. The test

solv ent for this determination shall be any lacquer thinner with a minimum ROC composite partial pressure of 105 mm of Hg at 20 o C, and the minimum test temperature shall be 15 o C.

F. Violations

Failure to comply with any provision of this rule, including t he requirement to maintain records or supply VOC or ROC information, or supply ROC composite partial pressure information, shall constitute a violation of this rule. Noncompliance determined by any test method specified or referenced in this Rule is a vio lation of this Rule. Where more than one approved test method may be applicable, sources shall not be required to demonstrate compliance using more than one approved test method.

G. Definitions

1. "ABS Welding Adhesive": Any adhesive that is intended by the manufacturer to weld acrylonitrile styrene (ABS) plastic. ABS is made by reacting monomers of acrylonitrile, butadiene, and styrene and is normally identified with ABS marking.

2. "Acrylic": Acrylic is any thermo plastic polymer or copolymer of a crylic acid, methacrylic acid, ester of these acids, or acrylonitrile. Acrylic contains at least one version of a methacrylate monomer, including but not limited to: methylmethacrylate or butylmethacrylate.

3. "Adhesive": Any substance that is used to bond one surface to another surface by

attachment.

4. "Adhesive Primer": Any coating that does not contain any adhesive and is intended by the manufacturer to be applied to a substrate, prior to the application of an adhesive, to provide a bonding su rface.10/ 12 Rule 74.20 : 11 5. "Adhesive Stripper": A volatile liquid applied to remove a cured or dried adhesive.

6. "Aerosol Adhesive": Any adhesive packaged as an aerosol product in which the spray mechanism is permanently housed in a nonrefillable can designed for hand

- held application without the need for ancillary hoses or spray equipment. Aerosol adhesives include special purpose adhesives, mist spray adhesives, and web spray adhesives, as defined by the California Air Resources Board consumer product regulation fou nd in Title 17 of the California Code of Regulations, beginning at Section 94507.

7. "Architectural Sealant Primer

- Nonporous": Any sealant primer intended by the manufacturer to be applied to nonporous material surfaces on stationary structures,

includ ing mobile homes, and their appurtenances. Appurtenances include, but are not limited to: hand railings, cabinets, bathroom and kitchen fixtures, fences, rain gutters and downspouts, and windows.

8. "Architectural Sealant Primer

- Porous": Any sealant p rimer intended by the manufacturer to be applied to porous material surfaces on stationary structures, including mobile homes, and their appurtenances. Appurtenances include, but are not limited to: hand railings, cabinets, bathroom and kitchen fixtures, fences, rain gutters and downspouts, and windows.

9. "Architectural Sealant": Any sealant intended by the manufacturer to be applied on stationary structures, including mobile homes, and their appurtenances. Appurtenances include, but are not limited t o: hand railings, cabinets, bathroom and kitchen fixtures, fences, rain gutters and downspouts, and windows.

10. "Automotive Glass Adhesive Primer": Any adhesive primer that is intended by the manufacturer to be applied to automotive glass prior to inst allation with an adhesive/sealant. This primer improves adhesion to the pinch weld and blocks ultraviolet light.

11

. “Capture Efficiency”: The percentage of ROC used, emitted, evolved, or generated by the operation, that is collected, and directed to a n air pollution control device.

12

. "Carbon Adsorption": A carbon unit that is typically either a fixed

- bed or a fluidized

bed design. ROC

- laden air is pretreated, if necessary, to remove any solids, liquids, and long

- chain, high

- boiling organic compou nds that might coat the carbon. The exhaust stream then passes through the adsorbing bed where the ROCs collect on the surface of

the carbon.

13

. "Catalytic Incinerator": An incinerator that requires a catalyst to promote the oxidation

of the ROCs at a lower temperature. The catalyst is often, but not always, a platinum serial metal deposited in a porous form onto a structure, such as a honeycomb, or pellets. The ROCs are preheated up to 650 to 900 o F and then enter the catalyst area.10/ 12 Rule 74.20 : 12 There the oxida tion of the ROCs continue s to produce an increase in temperature across the catalyst bed.

14

. "Cellulosic Plastics": Any plastic containing the naturally occurring polymer or polysaccharide, cellulose (C 6 H 10 O 5 ) n . Examples include cellulose acetate, cel lulose acetate butyrate, cellulose nitrate and cellulose propionate.

15

. "Ceramic Tile Installation Adhesive": Any adhesive that is intended by the

manufacturer to be used for installation of ceramic tiles.

16

. "Contact Adhesive": Any adhesive that i s intended by the manufacturer to adhere to itself instantaneously upon contact and is indicated by the label or data sheet as a contact adhesive. This adhesive is applied to both adheren t s and allowed to become dry, which develops a bond when the adheren t s are brought together without sustained pressure. For the purpose of this rule, products that qualify as a contact adhesive using the above definition, and that are labeled exclusively for only one of the following applications shall not be required to meet the ROC limit for "Contact Adhesives" in

Subsection B.2:

a. Single

- ply roofing

b. Bonding of immersible products

c. Bonding of flexible vinyl to flexible vinyl

d. Nonmembrane roofing

17

. "Cove Base Installation Adhesive": Any adhesive that i s intended by the manufacturer to be used for cove base (or wall base) installation. The cove base is generally made of vinyl or rubber, and is installed on a wall or vertical surface at floor level.

18

. "CPVC Welding": Any adhesive intended by the man ufacturer for the welding of CPVC (chlorinated polyvinyl chloride) plastic. CPVC is a polymer of the monomer that contains 67 percent chlorine and is normally identified with a CPVC marking.

19

. "Cyanoacrylate Adhesive": Any adhesive that is a single

- c omponent reactive diluent adhesive that contains at least 85 percent by weight, methyl, ethyl, methoxymethyl or other functional groupings of cyanoacrylate.

20

. "Dry Wall Adhesive": An adhesive that is intended by the manufacturer to be used to

install gypsum dry wall to studs or solid surfaces.

21

. "Exempt Organic Compounds": As defined in Rule 2, Definitions, of these Rules.

22

. "Fiberglass": Fiberglass is any fiber reinforced plastic (FRP) surface that has fiber material set in a binding substa nce of plastic resins.

23

. "Flexible vinyl": Nonrigid polyvinyl chloride plastic with at least five percent, by weight, of plasticizer content. A plasticizer is a material, such as a high

- boiling point10/ 12 Rule 74.20 : 13 organic solvent, that is incorporated into an adhe sive to increase its flexibility, workability, or distensibility, and may be determined using ASTM Method E260

- 91 or from product formulation data.

24

. "Grams of ROC per liter of Adhesive, Sealant or Primer, less water and exempt organic compounds": The weight of ROC per combined volume of ROC and coating solids calculated using the following equation:

Grams of ROC per Liter of Adhesive Ws

- Ww

- Wes Less Water and Exempt Organic Compound =

Vm

- Vw

- Ves

Where: Ws = Weight of volatile compounds (grams) Ww = Weight of water (grams) Wes = Weight of exempt organic compounds (grams)

Vm = Volu me of material (liters) Vw = Volume of water (liters) Ves = Volume of exempt organic compounds (liters)

25

. "Grams of ROC per Liter of Material": The weight of ROC per volume of material shall be calculated using the following equation:

Gr ams of ROC per Liter of Material Ws

- Ww

- Wes

= Vm

Where: Ws = Weight of volat ile compounds (grams) Ww = Weight of water (grams) Wes = Weight of exempt organic compounds (grams) Vm = Volume of material (liters)

26

. "Gun Washer": Electrically or pneumatically operated system that is designed to clean spray application e quipment and minimize emissions. A gun washer may also be considered a gun cleaning system that consists of spraying solvent into an enclosed container using a snug fitting.

27

. "Inkjet Printer Head Assembly Operation": Any operation used to manufactur e or assemble the printer head used on inkjet printers. Inkjet printing is a printing method where the liquid ink is transferred at high velocity through a small diameter opening(s)

to a solid substrate.

28

. "Low Emission Spray Gun Cleaner": Any proper ly used spray gun equipment cleanup device which has passive solvent losses of no more than 0.6 grams per hour and has active solvent losses of no more than 15 grams per operating cycle as defined by the test

method in Subsection E.6.10/ 12 Rule 74.20 : 14 29

. "Low

- Solids Adh esive, Sealant or Primer": Any product that has less than one pound of solids per gallon of material ( 120 grams or less of solids per liter of material )

. Such

solids are the non

- volatiles remaining after a sample is heated at 110 o C for one hour.

30

. "M arine Deck Sealant": Any sealant intended by the manufacturer to be applied to

wooden marine decks.

31

. "Marine Deck Sealant Primer": Any sealant primer intended by the manufacturer to be applied to wooden marine decks.

32

. "Multipurpose Architectura l Adhesives": Any adhesive that is intended by the manufacturer to be used for the installation or repair of various construction materials or to bond architectural appurtenances, including but not limited to drywall, subfloor, panel, tileboard, deck and lumber, seams, fiberglass reinforced plastic (FRP), ceiling tile and acoustical tile. Adhesives used to bond uninstalled cabinets, counters, and other architectural appurtenances are subject to this adhesive category.

33

. "Nonmembrane Roof Sealant/Adh esive": Any sealant or adhesive that is intended by the manufacturer to install or repair nonmembrane roofs and that is not intended for the installation of prefabricated single

- ply flexible roofing membranes. This category includes plastic or asphalt ro of cement, asphalt roof coatings, and cold application

cement.

34

. "Outdoor Carpet Adhesive": Any adhesive intended by the manufacturer for the installation of carpet or artificial turf that is not in an enclosure and is exposed to

ambient weather con ditions.

35

. "Panel Adhesive": An adhesive that is intended by the manufacturer to be used for the installation of plywood. pre

- decorated hardboard (or tileboard), fiberglass reinforced plastic, and similar pre

- decorated or non

- decorated panels to stu ds or solid surfaces.

36

. "Percent ROC by Weight": The ratio of the weight of ROC to the weight of the material, expressed as a percentage by weight. The percent ROC by weight is calculated

as follows:

Wv % ROC weight = X 1 00

W

Where Wv = Weight of the ROCs (grams)

W = Weight of the Material (grams)

37

. "Plastic Welding Primer": Any primer intended by the manufacturer to prepare plastic substrates prior to welding.10/ 12 Rule 74.20 : 15 38

. "Plastic Foam": Any rigid or spongy cellular plastic mass with gas bubbles dispersed throughout. Examples include but are not limited to: urethane foams, PVC foams, Styrofoam, Foamboard and polyethylene foams.

39

. "Plastic Welding": The use of solvent

- based adhesives to dissolve plastic surfaces to

form a weld

- like bond between mating surfaces.

40

. "Plastic Welding Products": Any product intended by the manufacturer to weld plastic substrates, or to prepare plastic substrates prior to welding. These products include ABS welding pro ducts, cellulosic plastic welding products , CPVC welding products, PVC welding products, styrene

- acrylonitrile welding products, plastic welding primers, and other plastic welding products.

41

. "Plastics": Synthetic materials chemically formed by the p olymerization of organic (carbon

- based) materials.

42

. "Polycarbonate": Polycarbonate is a type of thermoplastic "structural" foam and contains a plastic resin that can be found in Lexan manufactured by General Electric Company or in Tuffrak manufacture d by Rohm and Haas Company.

43

. "Porous Material": A material whose surface is permeable to liquids; such materials include but are not limited to paper, and corrugated paperboard.

44

. "PVC Welding Adhesive": Any adhesive intended by manufacturer to weld polyvinyl chloride (PVC) plastic. PVC plastic is a polymer of the chlorinated vinyl monomer that contains 57 percent chlorine and which is normally identified with a PVC marking.

45

. "Reactive Organic Compounds (ROC)": As defined in Rule 2, Defin itions, of these Rules. The term "volatile organic compound" (VOC) is equivalent to ROC.

46

. "Roadway Sealant": Any sealant intended by the manufacturer to be applied to public streets, highways, and other surfaces, including but not limited to curbs, b erms, driveways and parking lots.

47

. ROC Composite Partial Pressure": The sum of the partial pressures of the compounds defined as ROCs. ROC composite partial pressure is calculated as follows:



## ( ) ( ) ( )

PP W VP

MW

W

MW W

MW W

MW c i i

i i n

w

w e

e e n i

i i n =       +       +       =

= = 

# ∑ ∑ ∑ 1

1 1 Where:

W i = Weight of the "i"th ROC compound, in g rams W w = Weight of water, in grams

W e = Weight of the "e"th exempt organic compound, in grams

MW i = Molecular weight of the "i"th ROC compound, in g/(g

- mole)10/ 12 Rule 74.20 : 16 MW w = Molecular weight of water, in g/(g

- mole)

MW e = Molecular weight of the "e"th exem pt organic compound, in g/(g

- mole)

PP c = ROC composite partial pressure at 20 C, in mm Hg

VP i = Vapor pressure of the "i"th ROC compound at 20 C, in mm Hg.

48

. "Rubber": Rubber includes any natural or manmade rubber substrate, including but not

lim ited to: styrene

- butadiene rubber (SBR), polychloroprene (Neoprene), butyl rubber, nitrile rubber, chlorosulfonated polyethylene (CSM), and ethylene propylene diene terpolymer (EPDM).

49

. "Rubber Flooring Adhesive": Any adhesive intended by the manufact urer for the installation of flooring material in which both the back and the top surface are made of synthetic rubber, and which may be in sheet or tile form.

50

. "Sales Outlet": Any establishment at which adhesives, sealants, or primers can be sold

in person to users of such products.

51

. "Sealant Primer": Any product intended by the manufacturer to be applied to a substrate, prior to the application of a sealant, to enhance the bonding surface.

52

. "Sealants": Any material with adhesive properti es that is formulated primarily to fill, seal, waterproof or weatherproof gaps or joints between two surfaces.

53

. "Sheet

- Applied Rubber Lining Operations": The process of applying sheet rubber liners by hand to metal or plastic substrates in order to protect the underlying substrate from corrosion or abrasion. These operations also include laminating sheet rubber to fabric by hand.

54

. "Single

- Ply Roof Membrane Adhesive Primer": Any primer intended by the manufacturer to clean and promote adhesion of the single

- ply roof membrane seams or splices prior to bonding.

55

. "Single

- Ply Roofing Membrane Installation/Repair Adhesive": An adhesive intended by the manufacturer to be used for the installation or repair of a prefabricated single

- ply

flexible roofing membrane. Single

- ply roofing membranes are field

- applied using just one layer of membrane material. The containers must be labeled exclusively for such use. Installation includes, as a minimum, attaching the edge of the membrane to the edge of t he roof and applying flashing to the vents, pipes and ducts that protrude through the membrane. Repair includes gluing the edges of tears together, attaching a patch over a hole, and reapplying flashings to vents, pipes or ducts installed through the

memb rane.

56

. "Single

- Ply Roofing Membrane Sealant": A sealant intended by the manufacturer to be used for the installation or repair of a prefabricated single

- ply flexible roofing membrane. The containers must be labeled exclusively for such use.10/ 12 Rule 74.20 : 17 57

. "S olvent": Organic, petrochemical compounds, which are used as diluents, thinners, dissolvers, reducers, cleaning agents, or for similar uses.

58

. “Solvent Cleaning”: The use of solvent to remov e loosely held uncured adhesives, uncured inks, uncured coat ings, and contaminants, which include, but are not limited to, dirt, soil, and grease from parts, products, tools, machinery, equipment, and general

work areas.

59

. "Special Purpose Contact Adhesive": Any contact adhesive that is used to bond

melamine c overed board, metal, unsupported vinyl, Teflon, ultra

- high molecular weight polyethylene, rubber, or wood veneer 1/16 inch or less thick to any porous or nonporous

surface.

60

. "Structural Glazing Adhesive": Any adhesive that is intended by the manufact urer to be used to adhere glass, ceramic, metal, stone, or composite panels to exterior building

frames.

61

. "Structural Wood Member Adhesive": Any adhesive intended by the manufacturer to

be used for the construction of a load

- bearing joint in wooden joists, trusses, or beams.

62

. "Styrene

- Acrylonitrile Welding ": Any adhesive intended by manufacturer to weld
styrene

- acrylonitrile co

- polymer plastics. Bonding of styrene

- acrylonitrile to any other substrate (such as metal) is not included under thi s plastic welding adhesive subcategory.

63

. "Subfloor Adhesive": Any adhesive intended by the manufacturer to be used for the installation of subflooring material over floor joists.

64

. Substrate Surface Preparation": Cleaning of a substrate to remov e dirt, oils, and other contaminants. This surface cleaning is typically done prior to the application of primers, adhesives, or sealants.

65

. "Thermal Incineration": A direct

- flame incinerator that depends on flame contact and high temperatures in th e range of 1200 to 1500 o F to complete oxidation of ROCs. Thermal incinerators usually consist of refractory

- lined chambers, burners, controllers, safety equipment and heat recovery equipment.

66

. "Thin Metal Laminating of Magnetic or Electronic Compone nts": Any operation, excluding inkjet printer head assembly, that includes the bonding of multiple layers of metal to metal or metal to plastic in the production of electronic components or magnetic components, in which the bond line(s) is less than 0.25 mil.

67

. "Tire Repair": The repair of a hole, tear, fissure, or blemish in a tire casing by grinding or gouging, applying adhesive or sealant product and filling the hole or crevice with

rubber.10/ 12 Rule 74.20 : 18 68

. "Tire Retread": The process of tire retreading is wh ere adhesives are applied to the back of precured tread rubber and to the casing and cushion rubber. It may also be used to seal buffed tire casings to prevent oxidation while the tire is being prepared for a new

tread.

69

. "Top and Trim Adhesive": Any adhesive used to install automotive and marine trim, including, but not limited to headliners, vinyl tops, vinyl trim, sunroofs, dash covering, door covering, floor covering, panel covering, and upholstery.

70

. "Traffic Marking Tape": A preformed reflect ive film intended by the manufacturer to be applied to public streets, highways, and other surfaces, including but not limited to curbs, berms, driveways and parking lots.

71

. "Traffic Marking Tape Adhesive": Any adhesive intended by the manufacturer to be applied to surfaces prior to installation of traffic marking tape.

72

. "Undersea Based Weapons Systems Components": The fabricated part, assembly of parts or completed units of any portion of the missile launching system used on undersea ships.

73

. "VCT and Asphalt Tile Adhesive": Any adhesive intended by the manufacturer for the installation of Vinyl Composite Tile (VCT) or asphalt tile flooring. Vinyl composite tile is a material made from thermoplastic resins, fillers, and pigments.

74

. "Vol atile Organic Compound (VOC)": Shall have the same meaning as Reactive Organic Compounds (ROC) as defined in Rule 2 of these Rules.

75

. "Wood Flooring Adhesive": Any adhesive intended by the manufacturer for the installation of wood flooring, which may include but is not limited to parquet tiles, wood planks, or strip

- wood.