7 DE Admin Code 1141 – Page 1 4.0 Adhesives & Sealants

4.1 Applicability

4.1.1 Except as provided in 4.4 of this regulation, 4.0 of this regulation applies to any person who, on or after May 1, 2009, sells, supplies for sale, offers

for sale or manufactures for sale in the State of Delaware any adhesive, sealant, adhesive primer or sealant primer for use in the State of Delaware.

4.1.2 Except as provided in 4.4 of this regulation, 4.0 of this regulation also applies to any person who uses or applies any adhesive, sealant, adhesive primer or sealant primer wit hin the State of Delaware.

4.2 Definitions

Terms used but not defined in 4.0 of th is regulation shall have the meaning given

them in 7 DE Admin Code 1101 or the CAA, as amended in 1990, in that order of priority.

“Acrylonitrile-butadiene-styrene welding adhesive” or “ABS welding

adhesive” means any adhesive intended by the manufacturer to weld acrylonitrile-butadiene-styr ene pipe, which is made by reacting monomers of acrylonitrile, butadiene and styrene.

“Adhesive” means any chemical substance t hat is applied for the purpose of bonding two surfaces together by other than mechanical means.

“Adhesive primer” means any product intended by the manufacturer for application to a substrate, prior to t he application of an adhesive, to provide a bonding surface.

“Aerospace component” means the fabricated part, assembly of parts or completed unit of any aircraft, helicopter , missile, or space vehicle, including passenger safety equipment.

“Aerosol adhesive” means an adhesive packaged as an aerosol product in which the spray mechanism is perm anently housed in a non-refillable can designed for handheld application without t he need for ancillary hoses or spray equipment.

“Architectural sealant or sealant primer” means any sealant or sealant primer intended by the manufacturer to be applied to stationary structures, including mobile homes, and their appurtenances. Appurtenances to an architectural structure include, but ar e not limited to: hand railings, cabinets, bathroom and kitchen fixtures, fences, ra in gutters and downspouts, and windows.7 DE Admin Code 1141 – Page 2 “Automotive glass adhesive primer” means an adhesive primer labeled by the manufacturer to be applied to automotive glass prior to installation of the glass using an adhesive/sealant. This primer improves the adhesion to pinch weld and blocks ultraviolet light.

“CARB” means the California Air Resources Board.

“Ceramic tile installation adhesive” means any adhesive intended by the

manufacturer for use in the installation of ceramic tiles.

“Chlorinated polyvinyl ch loride plastic” or “CPVC plastic” means a polymer of the vinyl chloride monomer that contains 67% chlorine and is normally identified with a CPVC marking.

“Chlorinated polyvinyl chlori de welding adhesive” or “CPVC welding

adhesive” means an adhesive labeled for welding of chlorinated polyvinyl chloride plastic.

“Cleanup solvent” means a VOC-containing ma terial used to remove a loosely held uncured (i.e., not dry to the touch) adhesive or sealant from a substrate, or to clean equipment used in applying an adhesive or sealant.

“Computer diskette jacket manufacturing adhesive” means any adhesive intended by the manufacturer to glue the fold-over flaps to the body of a vinyl computer diskette jacket.

"Contact bond adhesive" means an adhesive that: (1) is designed for application to both surfaces to be bonde d together, and (2) is allowed to dry before the two surfaces are placed in contact with each other, and (3) forms an immediate bond that is impossible, or diffi cult, to reposition after both adhesivecoated surfaces are placed in contact with each other, and (4) does not need sustained pressure or clamping of surf aces after the adhesive-coated surfaces have been brought together using sufficient momentary pressure to establish full

contact between both surfaces. Contac t bond adhesive does not include rubber cements that are primarily intended for use on paper substrates. Contact bond adhesive also does not include vulcanizing fluids that are designed and labeled for tire repair only.

“Cove base ” means a flooring trim unit, gener ally made of vinyl or rubber, having a concave radius on one edge and a convex radius on the opposite edge that is used in forming a junction between the bottom wall course and the floor or

to form an inside corner.

“Cove base installation adhesive” means any adhesive intended by the

manufacturer to be used for the installation of cove base or wall base on a wall or

vertical surface at floor level.

“Cyanoacrylate adhesive” means any adhesive with a cyanoacrylate content of at least 95% by weight.7 DE Admin Code 1141 – Page 3 “Dry wall installation” means the installation of gypsum dry wall to studs or solid surfaces using an adhesive formulated for that purpose.

“Exempt compound” means a compound identified as exempt under the

definition of volatile or ganic compound (VOC) in 7 DE Admin Code 1101.

“Flexible vinyl” means non-rigid polyvinyl chlori de plastic with at least five percent by weight plasticizer content.

“Fiberglass” means a material consisting of extremely fine glass fibers.

“Indoor floor cover ing installation adhesive” means any adhesive intended by the manufacturer for use in the insta llation of wood flooring, carpet, resilient tile, vinyl tile, vinyl backed carpet, resilie nt sheet and roll or artificial grass.

Adhesives used to install ceramic tile and perimeter bonded sheet flooring with vinyl backing onto a non-porous substrate, such as flexible vinyl, are excluded from this category.

“Laminate” means a product made by bonding t ogether two or more layers of

material.

“Low-solids adhesive, sealant or primer” means any product that contains 120 grams or less of solids per liter of material.

“Marine deck sealant” or “marine deck sealant primer” means any sealant or sealant primer labeled for application to wooden marine decks.

“Medical equipment manufacturing” means the manufacture of medical devices, such as, but not limited to, cat heters, heart valves, blood cardioplegia machines, tracheostomy tubes, blood oxyg enators, and cardiatory reservoirs.

“Metal to urethane/r ubber molding or casting adhesive” means any adhesive intended by the manufacturer to bond metal to high density or

elastomeric urethane or molded rubber mate rials, in heater molding or casting processes, to fabricate products such as rollers for computer printers or other paper handling equipment.

“Multipurpose construction adhesive” means any adhesive intended by the

manufacturer for use in the installation or repair of various construction materials, including but not limited to drywall, subf loor, panel, fiberglass reinforced plastic (FRP), ceiling tile and acoustical tile.

“Nonmembrane roof installation/repair adhesive” means any adhesive intended by the manufacturer for use in t he installation or repair of nonmembrane

roofs and that is not intended fo r the installation of prefabricated single-ply flexible roofing membrane, including, but not limited to, plastic or asphalt roof cement, asphalt roof coating and cold application cement.

“Outdoor floor co vering installation adhesive” means any adhesive intended by the manufacturer for use in the installation of fl oor covering that is not7 DE Admin Code 1141 – Page 4 in an enclosure and that is exposed to ambient weather conditions during normal

use.

“Panel installation” means the installation of plywood, pre-decorated hardboard (or tileboard), fibergl ass reinforced plastic, and similar pre-decorated or non-decorated panels to studs or solid surf aces using an adhesive formulated for that purpose.

“Perimeter bonded sh eet flooring installation” means the installation of sheet flooring with vinyl backing onto a nonporous substrate using an adhesive designed to be applied only to a strip of up to four inc hes wide around the perimeter of the sheet flooring.

“Plastic cement welding adhesive” means any adhesive intended by the

manufacturer for use to dissolve the surf ace of plastic to form a bond between mating surfaces.

“Plastic cement welding adhesive primer” means any primer intended by the manufacturer for use to prepare plastic substrates prior to bonding or welding.

“Plastic foam” means foam constructed of plastics.

“Plasticizer” means a material, such as a high boiling point organic solvent, that is incorporated into a vinyl to increase its flexibility, workability, or distensibility, as determined by ASTM Method D1045-95 (see 4.6.5 of this regulation).

“Plastics” means synthetic materials chemic ally formed by t he polymerization of organic (carbon-based) substances. Plastics are usually compounded with modifiers, extenders, and/or reinforcers and are capable of being molded, extruded, cast into various shapes and films or drawn into filaments.

“Polyvinyl chloride plastic” or “PVC plastic” means a polymer of the chlorinated vinyl monomer that contains 57% chlorine.

“Polyvinyl chloride welding adhesive” or “PVC welding adhesive” means any adhesive intended by the manufacturer fo r use in the welding of PVC plastic pipe.

“Porous material” means a substance that has tiny openings, often microscopic, in which fluids may be abs orbed or discharged, including, but not limited to, wood, paper and corrugated paperboard.

“Propellant” means a fluid under pressure that expels the contents of a container when a valve is opened.

“Reactive diluent” means a liquid that is a reactive organic compound during application and one in that, through chemical and/or physical reactions, such as polymerization, twenty (20) percent or more of t he reactive organic compound becomes an integral part of a finished material.7 DE Admin Code 1141 – Page 5 “Roadway sealant ” means any sealant intended by the manufacturer for application to public streets, highways and other surfaces, including but not limited to curbs, berms, driveways and parking lots.

“Rubber” means any natural or manmade rubber substrat e, including but not limited to, styrene-butadiene rubber, polych loroprene (neoprene ), butyl rubber, nitrile rubber, chlorosulfonated pol yethylene and ethylene-propylene-diene terpolymer.

“SCAQMD” means the South Coast Air Qua lity Management District, a part of the California Air Resources Board, which is responsible for the regulation of air quality in the State of California.

“Sealant primer” means any product intended by the manufacturer for application to a substrate, prior to t he application of a sealant, to enhance the bonding surface.

“Sealant” means any material with adhesive properties that is formulated primarily to fill, seal, waterproof or weatherproof gaps or joints between two

surfaces. Sealants include sealant primers and caulks.

“Sheet-applied rubber installation” means the process of applying sheet rubber liners by hand to metal or plasti c substrates to protect the underlying

substrate from corrosion or abrasion. These operations also include laminating sheet rubber to fabric by hand.

“Single-ply roof membrane” means a prefabricated single sheet of rubber, normally ethylene-propylene-diene terpolymer , that is field applied to a building roof using one layer of membrane material.

“Single-ply roof membrane installation and repair adhesive” means any adhesive labeled for use in the installation or repair of single-pl y roof membrane. Installation includes, as a minimum, at taching the edge of the membrane to the edge of the roof and applying flashings to vents, pipes and ducts that protrude through the membrane. R epair includes gluing the edges of torn membrane together, attaching a patch over a hole and reapplying flashings to vents, pipes or ducts installed through the membrane.

“Single-ply roof membrane adhesive primer” means any primer labeled for use to clean and promote adhesion of t he single-ply roof membrane seams or splices prior to bonding.

“Single-ply roof membrane sealant” means any sealant labeled for application to single- ply roof membrane.

“Solvent” means organic compounds that ar e used as diluents, thinners, dissolvers, viscosity reducers, cleani ng agents or other related uses.7 DE Admin Code 1141 – Page 6 “Structural glazing adhesive” means any adhesiv e intended by the manufacturer to apply glass, ceramic, meta l, stone or composite panels to exterior building frames.

“Subfloor installation” means the installation of subflooring material over floor joists, including the construction of any load bearing joists . Subflooring is covered by a finish surface material.

“Surface preparation solvent” means a solvent used to remove dirt, oil and

other contaminants from a s ubstrate prior to the applic ation of a primer, adhesive

or sealant.

“Thin metal laminating adhesive” means any adhesive intended by the manufacturer for use in bonding multiple layers of metal to metal or metal to plastic in the production of electroni c or magnetic components in which the

thickness of the bond line or lines is less than 0.25 mils.

“Tire repair” means a process that includes ex panding a hole, tear, fissure or blemish in a tire casing by grindi ng or gouging, applying adhesive and filling the

hole or crevice with rubber.

“Tire tread adhesive” means any adhesive intend ed by the manufacturer for application to the back of precure tr ead rubber and to the casing and cushion rubber. Tire tread adhesive may also be used to seal buffed tire casings to prevent oxidation while the tire is being prepared for a new tread.

“Traffic marking tape” means preformed reflective film intended by the manufacturer for application to public streets, highways and other surfaces, including but not limited to curbs, berms, driveways and parking lots.

“Traffic marking tape adhesive primer” means any primer intended by the manufacturer for application to surfaces prio r to installation of traffic marking tape.

“Undersea-based weapons systems components” means the fabrication of parts, assembly of parts or completed units of any portion of a missile launching system used on undersea ships.

“Waterproof resorcinol glue” means a two-part resorcinol-resin-based adhesive designed for applications wher e the bond line must be resistant to

conditions of continuous immersi on in fresh or salt water.

4.3 Requirements

4.3.1 Except as provided in 4.3. 5 and 4.4 of this regulation, on and after May 1, 2009, no person shall sell, supply for sa le or offer for sale in the State of Delaware any adhesive, sealant, adhesive pr imer or sealant pr imer manufactured on or after May 1, 2009, or manufacture for sale in the State of Delaware any adhesive, sealant, adhesive primer or se alant primer with a VOC content in7 DE Admin Code 1141 – Page 7 excess of the applicable VOC content limit s specified in Table 4-1 of this regulation.

4.3.2 Except as provided in 4.3. 5 and 4.4 of this regulation, on and after May 1, 2009, no person shall use or apply any adhesive, s ealant, adhesive primer or sealant primer wit hin the State of Delaware with a VOC content in excess of the applicable VOC content limit s specified in Table 4-1 of this regulation.

4.3.3 The VOC content limits in Table 4-1 of this regulation for “Adhesives Applied by Substrate” shall apply as follows:

4.3.3.1 For any ad hesive or sealant subject to a specific VOC content

limit for such adhesive or sealant in Table 4-1 of this regulation, such specific limit is applicable rather than any “Adhesives Applied by Substrate” limit; and

4.3.3.2 If an adhesive is used to bond dissimilar substrates together, the applicable “Adhesives Applied by Substrate” limit that provides for the highest VOC content sha ll be the limit for such use.

4.3.4 Any person subject to 4. 0 of this regulation using a surface preparation solvent or a cleanup solvent shall:

4.3.4.1 Except as provided in 4.3.4.2 of th is regulation, not use any surface preparation solvent cont aining VOCs unless the VOC content of such surface preparat ion solvent is less than 70 grams per liter;

4.3.4.2 Not use any surface pr eparation solvent cont aining VOCs in applying single-ply roofing unless the composite vapor pressure, excluding water and exempt com pounds, of the surface preparation solvent is equal to or less than 45 mm Hg at 20 degrees Celsius;

4.3.4.3 Except as provided in 4.3.4.4 of th is regulation, not use any cleanup solvent containing VOCs for the removal of adhesives, sealants, adhesive primers or seal ant primers from surfaces unless the composite vapor pressure of such solvent used is less than 45 mm Hg at 20 degrees Celsius; and

4.3.4.4 Not use any cleanup so lvent containing VOCs for the removal of an adhesive, sealant, adhesive primer or sealant pr imer from the parts of spray application equipment, unless:

4.3.4.4.1 All cleaning is conducted in an enclosed cleaning system, or equivalent cleaning system as determined by the

test method identified in 4. 6.8 of this regulation,

4.3.4.4.2 Except as provided for in 4.3.4. 4.3 of this regulation, only solvent is used with a VOC content of equal to or less than 70 grams of VOC per liter of material, and7 DE Admin Code 1141 – Page 8 4.3.4.4.3 Parts containing dried adhesive may be soaked in a solvent if the composite vapor pressure of the solvent, excluding water and exempt co mpounds, is equal to or less than 9.5 mm Hg at 20 degrees Celsius, and the parts and

solvent are in a closed container that remains closed except when adding parts to or removing par ts from the container.

4.3.5 A person using or applying an adhesive, s ealant, adhesive primer or sealant primer subject to 4.0 of this r egulation may comply with 4.3.2 and 4.3.4 of this regulation using add-on air pollution control equipment if such equipment

meets the followin g requirements:

4.3.5.1 The VO C emissions from the us e or application of all adhesives, sealants, adhesive primers or sealant primers subject to 4.0 of this regulati on are reduced by an overall capture and control efficiency of at least 85%, by weight; and

4.3.5.2 The r equirements of 4.3.5.1 of this regulation, and any monitoring, recordkeeping and reporti ng that is necessary to make such requirements enforceable as a practicable manner, are included in a permit issued by the Department pursuant to 7 DE

Admin Code 1102.

4.3.6 Any person using or applying adhesives, sealants, adhesive primers, sealant primers, surface pr eparation solvents or clean-up solvents subject to 4.0 of this regulation shal l store or dispose of all absorbent materials, such as cloth or paper, which are moistened with adhesives, seal ants, primers or solvents, in nonabsorbent containers that s hall be closed except when placing materials in or removing materials from the container.

4.3.7 No person shall solicit, require the use or specify the application of any adhesive, sealant, adhesive primer, s ealant primer, surf ace preparation or clean-up solvent if such use or application re sults in a violation of the provisions of 4.0 of this regulation. The prohibition of 4.3.7 of this regulation shall apply to all

written or oral contract s under which any adhesive, sealant, adhesive primer, sealant primer, surface prepar ation solvents or clean-up so lvent subject to 4.0 of this regulation is to be used at any location in the State of Delaware.

Table 4-1. VOC Content Li mits for Adhesives, Sealan ts, Adhesive Primers,

Sealant Primers and Adhesi ves Applied by Substrate
Adhesive, Sealant, Adhesi ve Primer or Sealant Primer Category VOC Content Limit (grams VOC per liter*)



### Adhesives

ABS welding 400

Ceramic tile installation 130 Computer diskette j acket manufacturing 850

Contact bond 250

Cove base installation 1507 DE Admin Code 1141 – Page 9 Adhesive, Sealant, Adhesi ve Primer or Sealant Primer Category VOC Content Limit (grams VOC per liter*) CPVC welding 490 Indoor floor covering installation 150

Metal to urethane/rubbe r molding or casting 850 Multipurpose construction 200 Nonmembrane roof installation/repair 300 Other plastic cement welding 510 Outdoor floor covering installation 250 PVC welding 510 Single-ply roof membrane instal lation/repair 250 ** Structural glazing 100 Thin metal laminating 780

Tire retread 100 Perimeter bonded sheet vinyl flooring

installation 660

Waterproof resorcinol glue 170 Sheet-applied rubbe r installation 850



### Sealants

Architectural 250

Marine deck 760 Nonmembrane roof installation/repair 300 Roadway 250 Single-ply roof membrane 450 **

Other 420



### Adhesive Primers

Automotive glass 700 Plastic cement welding 650 Single-ply roof membrane 250 ** Traffic marking tape 150

Other 250



### Sealant Primers

Non-porous architectural 250

Porous architectural 775

Marine deck 760

Other 7507 DE Admin Code 1141 – Page 10 Adhesive, Sealant, Adhesi ve Primer or Sealant Primer Category VOC Content Limit (grams VOC per liter*)



### Adhesive Applied by Substrate

Flexible vinyl 250 Fiberglass 200

Metal 30

Porous material 120

Rubber 250

Other substrates 250

* The VOC content is determined as the we ight of volatile compounds, less water and exempt compounds as specified pursu ant to 4.6 of this regulation.

**For 2009: June 1 through August 31; For 2010 & 2011: May 1 through September 30; and On and after January 1, 2012.

4.4 Exemptions and Exceptions

4.4.1 The requirem ents of 4.0 of this regulation shall not ap ply to the following compounds:

4.4.1.1 Adhesives, sealants, adhesive primers or sealant primers being tested or evaluated in any research and development, quality assurance or analytical laboratory, provided records are maintained as required in 4.5 of this regulation;

4.4.1.2 Adhesives, sealants, adhesive primers and sealant primers that are subject to 2.0 of this regulation;

4.4.1.3 Adhesives and sealants that contain less than 20 grams of VOC per liter of adhesive or sealant, less water and less exempt compounds, as applied;

4.4.1.4 Adhesives, seal ants, adhesive primers and sealant primers that are subject to 7 DE Admin Code 1124

4.4.1.5 Cyanoacrylate adhesives; and

4.4.1.6 Except for plastic ce ment welding adhesives and contact adhesives, any adhesive, sealan t, adhesive primer or sealant primer that is sold or supplied by the manufacturer or supplier in

containers with a net volume of 16 fluid ounces or less, or a net weight of one pound or less,.

4.4.1.7 Contact adhesives that are sold or supplied by the manufacturer or supplier in containers with a net volume of one gallon or less.7 DE Admin Code 1141 – Page 11 4.4.2 The requirement s of 4.0 of this regulation shall not apply to the use of adhesives, sealants, adhesive primers, s ealant primers, su rface preparation and cleanup solvents in the fo llowing operations:

4.4.2.1 Tire repair operations, provided the label of the adhesive states "For tire repair only;"

4.4.2.2 Assembly, repair and m anufacture of aerospace components or undersea-based weapon systems components;

4.4.2.3 Medical equipm ent manufacturing;

4.4.2.4 Automobile and light dut y truck original equipment manufacture regulated under other VOC limiting regulations by the State of Delaware.

4.4.3 The provisions of 4.0 of this r egulation shall not appl y if the total VOC emissions from all adhesives, sealants, adhesive primers and sealant primers used at the source are less than 200 pound s per calendar year, or an equivalent volume. Any person claiming exemption pu rsuant to 4.4.3 of this regulation shall record and maintain monthly operati onal records sufficient to demonstrate compliance and in accordance wit h 4.5 of this regulation.

4.4.4 The provisions of 4.3.2 and 4. 3.4 of this regulation shall not apply to the use of any adhesives, sealants, adhesive primers, sealant primers, cleanup solvents and surface preparation solven ts provided the total volume of noncomplying adhesives, sealants, primer s, cleanup and surface preparation solvents applied facility-wi de does not exceed 55 gallons per calendar year. Any person claiming exemption pur suant to 4.4.4 of this regulation shall record and maintain monthly operational records su fficient to demonstrate compliance with this exemption and in accordance with 4.5 of this regulation.

4.4.5 The provisions of 4.0 of this regul ation shall not apply to a manufacturer or distributor who sells, supp lies for sale or offers for sa le in the State of Delaware any adhesive, sealant, adhesive primer or s ealant primer that does not comply with 4.3.1 of this regulati on provided that such manufac turer or distributor makes and keeps records demonstrating:

4.4.5.1 The adhesive, sealant, adhesive pr imer or sealant primer is intended for shipment and use outside of the State of Delaware; and

4.4.5.2 The manufacturer or di stributor has taken reasonable precautions to assure that the ad hesive, sealant, adhesive primer or sealant primer is not distributed to or within the State of Delaware.

4.4.6 The provisio ns of 4.4.5 of this regulati on shall not apply to any adhesive, sealant, adhesive primer or s ealant primer that is sold, supplied for sale or offered for sale by any person to a retail out let in the State of Delaware.7 DE Admin Code 1141 – Page 12 4.4.7 The provisions of 4.3.1 of th is regulation shall not apply to the sale of any adhesive, sealant, adhesive primer or s ealant primer to a person using State of Delaware permitted add-on air polluti on control equipment, pursuant to 4.3.5 of this regulation, to comply with the requi rements of 4.0 of this regulation.

4.5 Administrative Requirements

4.5.1 Each person subject to 4.0 of this regulation shall maintain records of each adhesive, sealant, adhesive primer, sealant primer cleanup solvent and surface preparation solvent in use and in st orage at the facility, including, but not limited to, the following information:

4.5.1.1 A list of each adhesive, sealant, adhesive primer, sealant primer cleanup solvent and surface preparation solvent;

4.5.1.2 A data sheet or material list which provides the material name, manufacturer identification, and material application;

4.5.1.3 Catalysts, reducers or other components used, and the mix ratio;

4.5.1.4 The VOC content of each product as supplied;

4.5.1.5 The final VOC content or v apor pressure, as applied; and

4.5.1.6 The monthly volume of each adhesive, sealant, adhesive primer, sealant primer, cleanup or surface preparation solvent used.

4.5.2 All records made to determine compliance with 4.0 of this regulation shall be maintained for five (5) years from the date such record is created and shall be made available to the Depar tment within 90 days of a request.

4.5.3 For adhesives, sealants, adhes ive primers and sealant primers subject to the laboratory testing exemption pursuant to 4.4.1.1 of this regulation, the person conducting the testing shall make and maintain records of all such materials used, including, but not lim ited to, the product name, the product category of the material or type of application and the VOC content of each

material.

4.6 Compliance procedures and test methods

4.6.1 Except as prov ided in 4.6.3, 4.6. 4 and 4.6.5 of this regulation, the

VOC and solids content of all non-aerosol adhesives, adhesive primers and cleanup solvents shall be determined usi ng U.S. EPA Referenc e Method 24, as identified in 40 CFR 60, Appendix A, or SCAQMD Method 304 hereby incorporated by reference.

4.6.2 The organic content of exempt organic compounds shall be determined using ASTM D4457-85, as applicable, hereby incorporated by

reference.7 DE Admin Code 1141 – Page 13 4.6.3 The VOC content of any plasti c welding cement adhesive or primer shall be determined using SCAQMD Method 316A, hereby incorporated by

reference.

4.6.4 To determine if a diluent is a reactive diluent, the percent of the reactive organic compound that becomes an in tegral part of the finished materials shall be determined using SCAQMD Method 316A.

4.6.5 The composite vapor pre ssure of organic compounds in cleaning materials shall be determined by quantifyi ng the amount of eac h compound in the blend using gas chromatographic ana lysis (ASTM D 1045-95), hereby incorporated by reference, for organi cs and ASTM D3792-05, hereby incorporated by reference, for water content, as applicable, and the following equation:

where:



## ( )( )



## ∑ ∑ ∑

= = =

+ + = m

1 j n

1 i i i j j w w n

1 i i i i

c Mw W Mwe We Mw W Mw VP W
Pp (4-1)

Pp c = VOC composite par tial pressure at 20 o C, in mm Hg

W i = Weight of the "i"th VOC com pound, in grams, as determined by

ASTM E 260-91

Ww = Weight of water, in gr ams as determined by ASTM D 3792-05

We j = Weight of the "j"th exempt compound, in grams, as determined by

ASTM D 1045-95

Mw i = Molecular weight of the "i"th VOC compound, in grams per g-mole, as given in chemical reference literature

Mww = Molecular weight of water, 18 grams per g-mole

Mwe j = Molecular weight of the "j"t h exempt compound, in grams per gmole, as given in chemical reference literature

Vp i = Vapor pressure of the "i"th VOC compound at 20 o C, in mm Hg, as determined by 4.6.6 of this regulation

4.6.6 The vapor pressure of each single component compound may be determined from ASTM D2879-97, hereby inco rporated by reference, or by any method approved by the Department and EPA.7 DE Admin Code 1141 – Page 14 4.6.7 If air pollution control equipment is used to meet the requirements of this rule, the owner or operator s hall make the following determinations:

4.6.7.1 The measurement of capt ure efficiency shall be conducted and reported in accordance with the EPA Technical Document "Guidelines for Determining Captur e Efficiency," issued January 9, 1995, hereby incorporated by reference; and

4.6.7.2 The control efficiency s hall be determined in accordance with U.S. EPA Methods 25, 25A, 25B or CARB Method 100, hereby incorporated by reference.

4.6.8 The active and passive so lvent losses from spray gun cleaning systems shall be determined using SCAQ MD's “General Test Method for Determining Solvent Losses from Spray G un Cleaning Systems,” dated October 3, 1989, hereby incorporated by reference. T he test solvent for this determination shall be any lacquer thinner with a mini mum vapor pressure of 105 mm of Hg at 20 degrees Celsius, and the minimum te st temperature shall be 15 degrees

Celsius.

4.6.9 For adhesives that do not c ontain reactive diluents, grams of VOC per liter of adhesive, less water and ex empt compounds, shall be calculated according to the following equation:

Ve Vw Vm We Ww Ws adhesive of liter per grams VOC

− − − −

= , (4-2)

where Ws = weight of volatile compounds, in grams Ww = weight of water, in grams We = weight of exem pt compounds, in grams Vm = volume of material, in liters Vw = volume of water, in liters Ve = volume of exempt compounds, in liters

4.6.10 For adhesives that contain reac tive diluents, the VOC content of the adhesive is determined after curing. The gram s of VOC per liter of adhesive, less water and exempt compounds, shall be calculated according to the following equation:

Vre Vrw Vrm Wre Wrw Wrs adhesive of liter per grams VOC

− − − −

= , (4-3)

where Wrs = weight of volatile co mpounds not consumed during curing, in grams7 DE Admin Code 1141 – Page 15 Wrw = weight of water not consumed during curing, in grams Wre = weight of exempt compounds not consumed during curing, in grams

Vrm = volume of material not consumed during curing, in liters

Vrw = volume of water not consumed during curing, in liters Vre = volume of exempt com pounds not consumed during curing,

in liters

4.6.11 Grams of VOC per liter of material shall be calculated according to the following equation:

Vm We Ww Ws materials of liter per grams VOC − −

= , (4-4)

where Ws = weight of volatile compounds, in grams Ww = weight of water, in grams We = weight of exem pt compounds, in grams Vm = volume of material, in liters

4.6.12 Percent VOC by weight shall be calculated according to the following equation:

100 % × = W Wv weight by VOC (4-5)

where
Wv = weight of VOCs in grams W = weight of material in grams

4.7 Container labeling. Each manufacturer of an adhesive, sealant, adhesive primer or sealant primer subj ect to 4.0 of this regulatio n shall display the following information on the product container or label:

4.7.1 A statement of the manufac turer's recommendation regarding thinning, reducing, or mixi ng of the product, except that:

4.7.1.1 This requirement does not apply to the thinning of a product with water; and

4.7.1.2. If thinning of the product pr ior to use is not necessary, the recommendation must sp ecify that the product is to be applied without thinning;

4.7.2. The maximum or the actual VOC content of the product in

accordance with 4.6 of this regulation, as supplied, displayed in grams of VOC per liter of product; and7 DE Admin Code 1141 – Page 16 4.7.3. The maximum or the actual VOC content of the product in accordance with 4.6 of this regulation, which includes the manufacturer’s maximum recommendation for thinning, as applied, displayed in grams of VOC per liter of product.