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Comment Period

Silica Gel Cleanup

Draft guidance available for comment

Sept. 13, 2022 - Oct. 13, 2022, 11:59 p.m.

You're invited to comment on new draft guidance for cleaning up contaminated sites.

Silica gel is a method for analyzing groundwater contamination in sites where diesel has spilled. Draft Guidance for Silica Gel Cleanup provides details on when to use this method and how to use analytical results for making decisions about groundwater compliance monitoring.

Find more guidance documents for cleaning up contaminated sites on the Toxics Cleanup Program's policies and procedures webpage

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Cyndi Comfort
Information & Policy Section Planner, Toxics Cleanup Program

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