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These products are subject to other standards. APA – The Engineered Wood Association website [137] can be used to source compliant products.

Goods containing composite wood components like doors with a composite wood core do not belong in the composite wood category. They are subject to the more comprehensive emissions evaluations of other categories.

VOC Emissions Evaluation Criteria

CDPH Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers, v.1.2-2017 [138] is also known as the emission testing method for California Specification 01350, which is widely recognized as a leadership standard for its stringent scientific criteria and detailed specificity. It uses the chronic reference exposure levels established by the California Office of Environmental Health Hazard Assessment, which include some of the most stringent criteria in use, although they do not account for non-cancer risks.

Compliant products can come from qualified third-party product certifications or from a qualified independent laboratory. See USGBC resource for list of qualifying third-party certifications.

Qualifying independent laboratory reports that are provided by the manufacturer may be used to demonstrate VOC emissions evaluation, although because they are not third-party verified, the project team must confirm all criteria are reported on the report, including:

• Declaration that the product has been tested according to CDPH Standard Method v1.2- 2017 and complies with the VOC limits in Table 4-1 of the method.

• TVOC results at 14 days measured as specified in CDPH Standard Method v1.2-2017

• Test date (less than three years from date of purchase).

• The name of the laboratory that performed the evaluation and documentation (such as accreditation number or certificate with scope of accreditation) demonstrating the accreditation under ISO/IEC 17025 for the test method.

• The modeling scenario used (must be private office unless the product is installed in a classroom).

137 “About Us”, APA, (n.d.), https://www.apawood.org/about-us. 138 “Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources using Environmental Chambers, version 1.2”, Indoor Air Quality Section Environmental Health Laboratory Branch Division of Environmental and Occupational Disease Control, California Department of Public Health, (January 2017), https://www.cdph.ca.gov/programs/ccdphp/deodc/ehlb/iaq/cdph%20document%20library/cdphiaq_standardmethod_v1_2_2017_ada.pdf.

U.S. Green Building Council LEED v5 Reference Guide for Building Design and Construction, April 2025 Launch Edition 430