Buy Clean California Act
State agencies, University of California and California State University System, construction materials industries, other interested parties can learn more about the embedded carbon emissions of construction materials used in public works projects.
The Buy Clean California Act, (Public Contract Code § 3500-3505), states the Department of General Services (DGS) is required to establish and publish the maximum acceptable Global Warming Potential (GWP). Its targets embedded carbon emissions of structural steel (hot-rolled sections, hollow structural sections, and plate), carbon steel rebar, flat glass, and mineral wool board insulation. These materials must have a GWP that does not exceed the limit set by DGS.
Find key legislation dates below.
Awarding authorities will request submission of Environmental Product Declarations (EPDs). (Management Memo No. 19-01)
Awarding authorities will require submission of EPDs.
DGS will publish the maximum acceptable GWP for eligible materials.
Awarding authorities will gauge GWP compliance of eligible materials with EPDs.
EPD submissions shall be developed according to the Product Category Rules (PCRs) found in the resources section below.
DGS will host a second External Stakeholder Event to share updates for the Buy Clean California Act (AB 262) on October 31, 2019.
This event will be held at DGS headquarters in West Sacramento, California. Registration is required and seating is limited. A simultaneous Zoom webcast will be provided for those who cannot attend in person.
The meeting agenda will include:
Buy Clean California Act (aka AB 262) - Update
Maximum Acceptable Global Warming Potential (GWP) Limit Methodology
Environmental Product Declarations (EPDs) Allowed for Compliance
Agency Compliance Model
DGS request to industry
Registration: External Stakeholder Event
Date and Time:
Thursday, October 31, 2019
1:30 p.m. – 4:30 p.m. PDT
DGS Headquarters – Auditorium
707 3rd Street, West Sacramento, CA 95605
The City of Berkeley has adopted Resolution No. 68,893-N.S. to support the implementation of the Buy Clean California Act along with the city of Cupertino (Resolution No. 19-040) and Richmond (Resolution No. 68-18).
April 17, 2019
Title: North American Product Category Rule for Designated Steel Construction Products
Valid through: May 5, 2020
Program operator: SCS Global Services
Title: GANA PCR for Flat Glass: UN CPC 3711
Valid through: March 31, 2020 (extended per PCRext 2019-101)
Program operator: NSF International
Title: Part B: Building Envelope Thermal Insulation EPD requirements
Valid through: April 10, 2023
Program operator: UL Environment
DGS held an external stakeholder meeting on June 26, 2018 and had a comment period to receive stakeholder feedback. Find DGS responses by clicking on the link below:
If you would like a copy of all industry comments, please send a request via email to BuyCleanCalifornia@dgs.ca.gov.
Department of General Services
West Sacramento, California 95605
To ensure that your questions receive accurate and timely responses, please provide your name, phone number, and agency/organization name.