Brownfield Braintrust Podcast

Author: Brownfield Braintrust Podcast

The Brownfield Braintrust Podcast is brought to you by Winefield & Associates, Inc. and includes conversations between founder Matt Winefield and industry experts, focusing on contaminated property investments, remediation efforts, regulatory and compliance issues, and much more.
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California Brownfield Site Closure: DTSC Trends and Changing Cleanup Standards
Tuesday, 14 July, 2026

California’s brownfield closure process is changing—and the finish line may not look the way it did a few years ago.In this solo episode of the Brownfield Braintrust Podcast, I break down the different types of closure letters issued by DTSC and California’s State and Regional Water Boards, including no-further-action letters, low-threat closures, land-use controls, remedy construction completion, and suitable-to-occupy determinations.I also look at recent DTSC closure trends, evolving soil vapor standards, and what developers, investors, lenders, and environmental professionals should consider before beginning a contaminated property assessment or remediation project.The key question: What type of closure is realistically available for your site—and will it satisfy your financing and investment requirements?-Contact Matt WinefieldWinefield & AssociatesEmail: mw@winefieldinc.comPhone: (562) 618-0037Website: winefieldinc.com