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Buy Clean California Act (AB 262)

The Buy Clean California Act (Assembly Bill 262, Chapter 816, Statutes of 2017) was signed into law on October 15, 2017. It states by January 1, 2019, the Department of General Services (DGS) is required to establish, and publish in the State Contracting Manual, a maximum acceptable Global Warming Potential (GWP) for each category of eligible materials, in accordance with requirements set out in the bill.

Send an email to with comments or questions regarding AB 262. To ensure that your questions receive accurate and timely responses, please provide your name, phone number, and agency/organization name.


Dec 21, 2017
DGS held a Kickoff Event with state agencies to provide an overview of AB 262, discuss investigations to date challenges in developing the average GWP and next steps to implementation.

Find meeting materials below.

Program Operators and Databases

i. Program Operator Consortium (POC) develops Product Category Rules (PCR), reviews and verifies Environmental Product Declarations (EPD), reports Life Cycle Assessment (LCA), and publishes customized Type III environmental declaration formats in accordance with the International Standard ISO 14025.

Find PCRs and EPDs on their website

ii. UL Environmental program operator develops PCRs and verifies EPDs alongside the POC.

Find PCRs that are under development or may not be covered by the POC.
Find EPDs in the UL SPOT database. Once there, enter the product name, look for certifications then EPDs.

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