D.C. Mun. Regs. tit. 12, r. 12-K806

Current through Register Vol. 71, No. 36, September 6, 2024

Rule 12-K806 - MATERIAL EMISSIONS AND POLLUTANT CONTROL

Strike Section 806 of the International Green Construction Code in its entirety and insert new Section 806 in its place in the Green Construction Code to read as follows:

806.1

Scope. To facilitate better indoor air quality for building occupants, projects shall comply either with Section 806.1.1 or with Sections 806.1.2 through 806.1.7.

If complying with Section 806.1 by meeting the requirements of Section 806.1.1, all testing results shall be submitted to the code official prior to the final inspection.

If complying with Section 806.1 by meeting the requirements of Sections 806.1.2 through 806.1.7, a log of all materials used covered by those sections, showing the allowable limits and the actual product concentrations utilized in the project, shall be submitted prior to the final inspection. For compliance using Sections 806.1.2 through 806.1.7, project teams shall maintain all spec sheets for relevant materials, and shall make them available to the code official upon request.

806.1.1

Post-construction, pre-occupancy baseline IAQ testing. After all interior finishes are installed, the building shall be tested for indoor air quality and the testing results shall indicate that the levels of VOCs meet the levels detailed in Table 806.1.1 using testing protocols in accordance with ASTM D5197, ASTM D5466, ASTM D6196, ASTM D6345, and ISO 7708. Test samples shall be taken in not less than one location in each 25,000 square feet (1860 m²) of floor area or in each contiguous floor area.

TABLE 806.1.1 MAXIMUM CONCENTRATION OF AIR POLLUTANTS

MAXIMUM CONCENTRATION OF AIR POLLUTANTS RELEVANT TO IAQ	MAXIMUM CONCENTRATION, 3 ug/m (unless otherwise noted)
1 -Methyl-2-pyrrolidinone^a	160
1,1,1 -Trichloroethane	1000
1,3-Butadiene	20
1,4-Dichlorobenzene	800
1,4-Dioxane	3000
2-Ethylhexanoic acid^a	25
2-Propanol	7000
4-Phenylcyclohexene (4-PCH)^a	2.5
Acetaldehyde	140
Acrylonitrile	5
Benzene	60
t-Butyl methyl ether	8000
Caprolactam^a	100
Carbon disulfide	800
Carbon monoxide	9 ppm and no greater than 2 ppm above outdoor levels
Carbon tetrachloride	40
Chlorobenzene	1000
Chloroform	300
Di chl oromethane	400
Ethylbenzene	2000
Ethylene glycol	400
Formaldehyde	27
n-Hexane	7000
Naphthalene	9
Nonanal^a	13
Octanal ^a	7.2
Particulates (PM 2.5)	35 (24-hr)
Particulates (PM 10)	150 (24-hr)
Phenol	200
Styrene	900
Tetrachloroethene	35
Toluene	300
Total volatile organic compounds (TVOC)	500
Trichloroethene	600
Xylene isomers	700

a. This chemical has a limit only where carpets and fabrics with styrene butadiene rubber (SBR) latex backing material are installed as part of the base building systems.

806.1.2

Emissions from composite wood products. Composite wood products used interior to the approved weather covering of the building shall comply with the emission limits cited in Table 806.1.2. Compliance with emission limits shall be demonstrated following the requirements of Section 93120 of Title 17, California Code of Regulations.

Exceptions:

1. Composite wood products that are made using adhesives that do not contain urea-formaldehyde (UF) resins.

2. Composite wood products that are sealed with an impermeable material on all sides and edges.

3. Composite wood products that are used to make elements considered to be furniture, fixtures and equipment (FF&E) that are not permanently installed.

TABLE 806.1.2 COMPOSITE PRODUCTS EMISSIONS

PRODUCT	FORMALDEHYDE LIMIT ^a(ppm)
Hardwood plywood	0.05
Particle board	0.09
Medium-density fiberboard	0.11
a Thin medium-density fiberboard	0.13

For SI: 1 inch = 25.4 mm.

a. Maximum thickness of 5/16 inch.

b. Phase 2 Formaldehyde Emissions Standards, Table 1, Section 93120, Title 17, California Code of Regulations; compliance shall be demonstrated in accordance with ASTM D6007orASTME1333.

806.1.3

Adhesives and sealants. A minimum of 85 percent by weight or volume, of specific categories of site-applied adhesives and sealants used on the interior side of the building envelope, shall comply with the VOC content limits in Table 806.1.3(1) or alternative VOC emission limits in Table 806.1.3(2). The VOC content shall be determined in accordance with the appropriate standard being either U.S. EPA Method 24 or SCAQMD Method 304, 316A or 316B. The exempt compound content shall be determined by either SCAQMD Methods 302 and 303 or ASTM D3960. Table 806.1.3(1) adhesives and sealants regulatory category and VOC content compliance determination shall conform to the SCAQMD Rule 1168. The provisions of this section shall not apply to adhesives and sealants subject to state or federal consumer product VOC regulations. HVAC duct sealants shall be classified as "Other" category within the SCAQMD Rule 1168 sealants table.

Exception: HVAC air duct sealants are not required to meet the emissions or the VOC content requirements when the air temperature in which they are applied is less than40°F (4.5°C).

Table 806.1.3(2) adhesive alternative emissions standards compliance shall be determined utilizing test methodology incorporated by reference in the CDPH/EHLB/Standard Method V.l.l. The alternative emissions testing shall be performed by a laboratory that has the CDPH/EHLB/Standard Method V.l.l test methodology in the scope of its ISO 17025 Accreditation.

TABLE 806.1.3(1) SITE-APPLIED ADHESIVE AND SEALANT VOC LIMITS

ADHESIVE	VOC LIMIT^{a, b}
Indoor carpet adhesives	50
Carpet pad adhesives	50
Outdoor carpet adhesives	150
Wood flooring adhesive	100
Rubber floor adhesives	60
Subfloor adhesives	50
Ceramic tile adhesives	65
VCT and asphalt tile adhesives	50
Dry wall and panel adhesives	50
Cove base adhesives	50
Multipurpose construction adhesives	70
Structural glazing adhesives	100
Single-ply roof membrane adhesives	250
Architectural sealants	250
Architectural sealant primer Nonporous Porous	250 775
Modified bituminous sealant primer	500
Other sealant primers	750
CPVC solvent cement	490
PVC solvent cement	510
ABS solvent cement	325
Plastic cement welding	250
Adhesive primer for plastic	550
Contact adhesive	80
Special purpose contact adhesive	250
Structural wood member adhesive	140

a. VOC limit less water and less exempt compounds in grams/liter.

b. For low-solid adhesives and sealants, the VOC limit is expressed in grams/liter of material as specified in SCAQMD Rule 1168. For all other adhesives and sealants, the VOC limits are expressed as grams of VOC per liter of adhesive or sealant less water and less exempt compounds as specified in SCAQMD Rule 1168.

TABLE 806.1.3(2) VOC EMISSION LIMITS

VOC	LIMIT
Individual VOCs	[LESS THAN EQUAL TO] 1/2 CA chronic REL^a
Formaldehyde	[LESS THAN EQUAL TO] 16.5 µg/m³ or [LESS THAN EQUAL TO] 13.5_ppb^b,c

a. CDPH/EHLB/Standard Method V. 1.1 Chronic Reference Exposure Level (CREL).

b. Effective January 1, 2012, limit became less than or equal to the CDPH/EHLB/Standard Method V.l.l CREL ([LESS THAN EQUAL TO] 9 ug/m3 or [LESS THAN EQUAL TO] 7 ppb).

c. Formaldehyde emission levels need not be reported for materials where formaldehyde is not added by the manufacturer of the material.

806.1.4

Architectural paints and coatings. A minimum of 85 percent by weight or volume, of site-applied interior architectural coatings shall comply with VOC content limits in Table 806.1.4(1) or the alternate emissions limits in Table 806.1.4(2). The exempt compound content shall be determined by ASTM D3960.

Table 806.1.4(2) architectural coating alternate emissions standards compliance shall be determined utilizing test methodology incorporated by reference in the CDPFI/EFfLB/ Standard Method V.l.l. The alternative emissions testing shall be performed by a laboratory that has the CDPH/EHLB/Standard Method V.l.l test methodology in the scope of its ISO 17025 Accreditation.

TABLE 806.1.4(1) VOC CONTENT LIMITS FOR ARCHITECTURAL COATINGS^c,d,e

CATEGORY	Effective: January 1, 2010	Effective: January 1, 2012
CATEGORY	LIMIT³g/1	LIMIT³g/1
Flat coatings	50	-
Nonflat coatings	100	-
Nonflat - High-gloss coatings	150	-
Specialty coatings:
Aluminum roof coatings	400	-
Basement specialty coatings	400	-
Bituminous roof coatings	50	-
Bituminous roof primers	350	-
Bond breakers	350	-
Concrete curing compounds	350	-
Concrete/masonry sealers	100	-
Driveway sealers	50	-
Dry fog coatings	150	-
Faux finishing coatings	350	-
Fire-resistive coatings	350	-
Floor coatings	100	-
Form-release compounds	250	-
Graphic arts coatings (Sign paints)	500	-
High-temperature coatings	420	-
Industrial maintenance coatings	250	-
Low solids coatings	120^b	-
Magnesite cement coatings	450	-
Mastic texture coatings	100	-
Metallic pigmented coatings	500	-
Multi-color coatings	250	-
Pretreatment wash primers	420	-
Primers, sealers, and undercoaters	100	-
Reactive penetrating sealers	350	-
Recycled coatings	250	-
Roof coatings	50	-
Rust-preventative coatings	400	250
Shellacs, clear	730	-
Shellacs, opaque	550	-
Specialty primers, sealers, and undercoaters	350	100
Stains	250	-
Stone consolidants	450	-
Swimming pool coatings	340	-
Traffic marking coatings	100	-
Tub and tile refinish coatings	420	-
Waterproofing membranes	250	-
Wood coatings	275	-
Wood preservatives	350	-
Zinc-rich primers	340	-

a. Limits are expressed as VOC Regulatory (except as noted), thinned to the manufacturer's maximum thinning recommendation, excluding any colorant added to tint bases.

b. Limit is expressed as VOC actual.

c. The specified limits remain in effect unless revised limits are listed in subsequent columns in the table.

d. Values in this table are derived from those specified by the California Air Resources Board Suggested ControlMeasure for Architectural Coatings, dated February 1, 2008.

e. Table 806.1.4(1) architectural coating regulatory category and VOC content compliance determination shall conform to the California Air Resources Board Suggested Control Measure for Architectural Coatings.

TABLE 806.1.4(2) ARCHITECTURAL COATINGS VOC EMISSION LIMITS

VOC	LIMIT
Individual	1/2 CA chronic REL^a
Formaldehyde	[LESS THAN EQUAL TO] 16.5 ug/m³ or [LESS THAN EQUAL TO] 13.5 ppb^b

a. CA Chronic Reference Exposure Level (CREL).

b. Formaldehyde emission levels need not be reported for materials where formaldehyde is not added by the manufacturer of the material.

806.1.5

Flooring. A minimum of 85 percent of the total area of flooring installed within the interior of the building shall comply with the requirements of Table 806.1.5(2). Where flooring with more than one distinct product layer is installed, the emissions from each layer shall comply with these requirements. The test methodology used to determine compliance shall be from CDPH/EHLB/Standard Method V.l.l. The emissions testing shall be performed by a laboratory that has the CDPH/EHLB/Standard Method V. 1.1 test methodology in the scope of its ISO 17025 Accreditation.

Where post-manufacture coatings or surface applications have not been applied, the flooring listed in Table 806.1.5(1) shall be deemed to comply with the requirements of Table 806.1.5(2).

TABLE 806.1.5(1) FLOORING DEEMED TO COMPLY WITH VOC EMISSION LIMITS

Ceramic and concrete tile

Organic-free, mineral-based

Clay pavers

Concrete pavers

Concrete

Metal

TABLE 806.1.5(2) FLOORING VOC EMISSION LIMITS

VOC	LIMIT
Individual	[LESS THAN EQUAL TO]1/2 CA chronic REL^a
Formaldehyde	[LESS THAN EQUAL TO]16.5 ug/m3 or [LESS THAN EQUAL TO] 13.5 ppb

a. CA Chronic Reference Exposure Level (CREL).

806.1.6

Acoustical ceiling tiles and wall systems. A minimum of 85 percent of acoustical ceiling tiles and wall systems, by area, shall comply with the requirements of Table 806.6(2). Where ceiling and wall systems with more than one distinct product layer are installed, the emissions from each layer shall comply with these requirements. The test methodology used to determine compliance shall be from CDPH/EHLB/Standard Method V.l.l. The emissions testing shall be performed by a laboratory that has the CDPH/EHLB/Standard Method V.l.l test methodology in the scope of its ISO 17025 Accreditation.

Where post-manufacture coatings or surface applications have not been applied, the ceiling or wall systems listed in Table 806.6(1) shall be deemed to comply with the requirements of Table 806.6(2).

TABLE 806.6 (1)

CEILING AND WALL SYSTEMS DEEMED TO

COMPLY WITH VOC EMISSION LIMITS

Ceramic and concrete tile

Organic-free, mineral-based

Gypsum plaster

Clay masonry

Concrete masonry

Concrete

Metal

TABLE 806.6(2)

ACOUSTICAL CEILING TILES AND WALL

SYSTEMS VOC EMISSION LIMITS

VOC	LIMIT
Individual	[LESS THAN EQUAL TO]1/2 CA chronic REL^a
Formaldehyde	[LESS THAN EQUAL TO]³16.5 ug/m or ^a13.5 ppb

a. CA Chronic Reference Exposure Level (CREL).

806.1.7

Insulation. A minimum of 85 percent of insulation shall comply with the requirements of Table 806.7(1) or Table 806.7(2). The test methodology used to determine compliance shall be from CDPH/EHLB/Standard Method V.l.l. The emissions testing shall be performed by a laboratory that has the CDPH/EHLB/Standard Method V.l.l test methodology in the scope of its ISO 17025 Accreditation.

TABLE 806.7(1) INSULATION VOC EMISSION LIMITS

VOC	LIMIT
Individual	[LESS THAN EQUAL TO]1/2 CA chronic REL^a
Formaldehyde	[LESS THAN EQUAL TO]1/2 16.5 ug/m³ or [LESS THAN EQUAL TO]13.5 ppb

a. CA Chronic Reference Exposure Level (CREL).

TABLE 806.7(2) INSULATION MANUFACTURED WITHOUT FORMALDEHYDE

VOC EMISSION LIMITS

VOC	LIMIT
Individual	[LESS THAN EQUAL TO]1/2 CA chronic REL^a

a. CA Chronic Reference Exposure Level (CREL).

D.C. Mun. Regs. tit. 12, r. 12-K806

Final Rulemaking published at 67 DCR 5679 (5/29/2020)