4.504.1 Covering of Duct Openings and Protection of Mechanical Equipment During Construction
At the time of rough installation, during storage on the construction site and until final startup of the heating, cooling and ventilating equipment, all duct and other related air distribution component openings shall be covered with tape, plastic, sheetmetal or other methods acceptable to the enforcing agency to reduce the amount of water, dust and debris, which may enter the system.
ADHESIVE VOC LIMIT1, 2 Less Water and Less Exempt Compounds in Grams per Liter
|ARCHITECTURAL APPLICATIONS||VOC LIMIT|
|Indoor carpet adhesives||50|
|Carpet pad adhesives||50|
|Outdoor carpet adhesives||150|
|Wood flooring adhesive||100|
|Rubber floor adhesives||60|
|Ceramic tile adhesives||65|
|VCT and asphalt tile adhesives||50|
|Drywall and panel adhesives||50|
|Cove base adhesives||50|
|Multipurpose construction adhesives||70|
|Structural glazing adhesives||100|
|Single-ply roof membrane adhesives||250|
|Other adhesives not specifically listed||50|
|Plastic cement welding||250|
|Adhesive primer for plastic||550|
|Special purpose contact adhesive||250|
|Structural wood member adhesive||140|
|Top and trim adhesive||250|
|SUBSTRATE SPECIFIC APPLICATIONS|
|Metal to metal||30|
|Porous material (except wood)||50|
- If an adhesive is used to bond dissimilar substrates together, the adhesive with the highest VOC content shall be allowed.
- For additional information regarding methods to measure the VOC content specified in this table, see South Coast Air Quality Management District Rule 1168.
4.504.2 Finish Material Pollutant Control
Finish materials shall comply with this section.
SEALANT VOC LIMIT Less Water and Less Exempt Compounds in Grams per Liter
|Single-ply roof membrane||450|
4.504.2.1 Adhesives, Sealants and Caulks
Adhesives, sealants and caulks used on the project shall meet the requirements of the following standards unless more stringent local or regional air pollution or air quality management district rules apply:
- Adhesives, adhesive bonding primers, adhesive primers, sealants, sealant primers, and caulks shall comply with local or regional air pollution control or air quality management district rules where applicable or SCAQMD Rule 1168 VOC limits, as shown in Table 4.504.1 or 4.504.2, as applicable. Such products also shall comply with the Rule 1168 prohibition on the use of certain toxic compounds (chloroform, ethylene dichloride, methylene chloride, perchloroethylene and trichloroethylene), except for aerosol products, as specified in Subsection 2 below.
- Aerosol adhesives, and smaller unit sizes of adhesives, and sealant or caulking compounds (in units of product, less packaging, which do not weigh more than 1 pound and do not consist of more than 16 fluid ounces) shall comply with statewide VOC standards and other requirements, including prohibitions on use of certain toxic compounds, of California Code of Regulations, Title 17, commencing with Section 94507.
4.504.2.2 Paints and Coatings
Architectural paints and coatings shall comply with VOC limits in Table 1 of the ARB Architectural Suggested Control Measure, as shown in Table 4.504.3, unless more stringent local limits apply. The VOC content limit for coatings that do not meet the definitions for the specialty coatings categories listed in Table 4.504.3 shall be determined by classifying the coating as a Flat, Nonflat or Nonflat-high Gloss coating, based on its gloss, as defined in subsections 4.21, 4.36, and 4.37 of the 2007 California Air Resources Board, Suggested Control Measure, and the corresponding Flat, Nonflat or Nonflat-high Gloss VOC limit in Table 4.504.3 shall apply.
4.504.2.3 Aerosol Paints and Coatings
Aerosol paints and coatings shall meet the Product-weighted MIR Limits for ROC in Section 94522(a)(2) and other requirements, including prohibitions on use of certain toxic compounds and ozone depleting substances, in Sections 94522(e)(1) and (f)(1) of California Code of Regulations, Title 17, commencing with Section 94520; and in areas under the jurisdiction of the Bay Area Air Quality Management District additionally comply with the percent VOC by weight of product limits of Regulation 8, Rule 49.
Verification of compliance with this section shall be provided at the request of the enforcing agency. Documentation may include, but is not limited to, the following:
- Manufacturer's product specification.
- Field verification of on-site product containers.
4.504.3 Carpet Systems
All carpet installed in the building interior shall meet the testing and product requirements of one of the following:
- Carpet and Rug Institute's Green Label Plus Program.
- California Department of Public Health, "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers," Version 1.1, February 2010 (also known as Specification 01350.)
- NSF/ANSI 140 at the Gold level.
- Scientific Certifications Systems Indoor Advantage™ Gold.
VOC CONTENT LIMITS FOR ARCHITECTURAL COATINGS2, 3 Grams of VOC per Liter of Coating, Less Water and Less Exempt Compounds
|COATING CATEGORY||VOC LIMIT|
|Nonflat-high gloss coatings||150|
|Aluminum roof coatings||400|
|Basement specialty coatings||400|
|Bituminous roof coatings||50|
|Bituminous roof primers||350|
|Concrete curing compounds||350|
|Dry fog coatings||150|
|Faux finishing coatings||350|
|Fire resistive coatings||350|
|Graphic arts coatings (sign paints)||500|
|High temperature coatings||420|
|Industrial maintenance coatings||250|
|Low solids coatings1||120|
|Magnesite cement coatings||450|
|Mastic texture coatings||100|
|Metallic pigmented coatings||500|
|Pretreatment wash primers||420|
|Primers, sealers, and undercoaters||100|
|Reactive penetrating sealers||350|
|Rust preventative coatings||250|
|Specialty primers, sealers and undercoaters||100|
|Swimming pool coatings||340|
|Traffic marking coatings||100|
|Tub and tile refinish coatings||420|
- Grams of VOC per liter of coating, including water and including exempt compounds.
- The specified limits remain in effect unless revised limits are listed in subsequent columns in the table.
- Values in this table are derived from those specified by the California Air Resources Board, Architectural Coatings Suggested Control Measure, February 1, 2008. More information is available from the Air Resources Board.
4.504.3.1 Carpet Cushion
All carpet cushion installed in the building interior shall meet the requirements of the Carpet and Rug Institute's Green Label program.
4.504.3.2 Carpet Adhesive
All carpet adhesive shall meet the requirements of Table 4.504.1.
4.504.4 Resilient Flooring Systems
Where resilient flooring is installed, at least 80 percent of floor area receiving resilient flooring shall comply with one or more of the following:
- Products compliant with the California Department of Public Health, "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers," Version 1.1, February 2010 (also known as Specification 01350), certified as a CHPS Low-Emitting Material in the Collaborative for High Performance Schools (CHPS) High Performance Products Database.
- Products certified under UL GREENGUARD Gold (formerly the Greenguard Children & Schools program).
- Certification under the Resilient Floor Covering Institute (RFCI) FloorScore program.
- Meet the California Department of Public Health, "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers," Version 1.1, February 2010 (also known as Specification 01350).
4.504.5 Composite Wood Products
Hardwood plywood, particleboard and medium density fiberboard composite wood products used on the interior or exterior of the building shall meet the requirements for formaldehyde as specified in ARB's Air Toxics Control Measure for Composite Wood (17 CCR 93120 et seq.), by or before the dates specified in those sections, as shown in Table 4.504.5.
FORMALDEHYDE LIMITS1 Maximum Formaldehyde Emissions in Parts per Million
|Hardwood plywood veneer core||0.05|
|Hardwood plywood composite core||0.05|
|Medium density fiberboard||0.11|
|Thin medium density fiberboard2||0.13|
- Values in this table are derived from those specified by the California Air Resources Board, Air Toxics Control Measure for Composite Wood as tested in accordance with ASTM E1333. For additional information, see California Code of Regulations, Title 17, Sections 93120 through 93120.12.
- Thin medium density fiberboard has a maximum thickness of 5/16 inch (8 mm).
Verification of compliance with this section shall be provided as requested by the enforcing agency. Documentation shall include at least one of the following:
- Product certifications and specifications.
- Chain of custody certifications.
- Product labeled and invoiced as meeting the Composite Wood Products regulation (see CCR, Title 17, Section 93120, et seq.).
- Exterior grade products marked as meeting the PS-1 or PS-2 standards of the Engineered Wood Association, the Australian AS/NZS 2269, European 636 3S, and Canadian CSA O121, CSA O151, CSA O153 and CSA O325 standards.
- Other methods acceptable to the enforcing agency.
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