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Changes in California Environmental Cleanup Procedures
In California, the Department of Toxic Substances Control (DTSC) is one of the agencies that is responsible for direction and oversight of environmental cleanup actions. At a recent industry conference, the Chief of the Site Cleanup Unit for DTSC described some of the changes in the way that DTSC plans to oversee cleanup of contaminated sites. DTSC’s Site Cleanup Program, which is responsible for oversight of the investigation and remediation of hundreds of contaminated sites in California, is changing their focus to accelerating cleanup by streamlining document review, developing presumptive remedy guidance documents to eliminate the Feasibility Study (FS) step, and holding initial project scoping meetings to reduce document review and negotiation time during cleanup. Vapor intrusion continues to be one of the biggest concerns raised by DTSC from a public health protection perspective. DTSC is in the process of revising its guidance document on vapor intrusion to address concerns with data quality and sample collection methodologies. Overall, DTSC’s Site Cleanup Unit is making a concerted effort to develop a more uniform and consistent oversight approach among various regional offices/branches in California. There is also a big push to make site documents available via the internet. Technical and regulatory documents for contaminated sites that are regulated by DTSC can be found at http://www.envirostor.dtsc.ca.gov/public/. For more information, please contact Alborz Wozniak at (925) 403-6200.
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