Draft Vapor Intrusion Guideline Cost Comparison

Winefield & Associates, Inc. and Fulcrum Resources Environmental have answered the question: “How much will the CalEPA Draft Vapor Intrusion Guideline (DVIG) increase dry cleaner remediation costs?” The answer is $1 million dollars per site. Assuming CalEPA retains the 0.03 attenuation factor screening value, sites will require additional remediation, vapor barriers, and extensive monitoring. An incremental cost of $1 million per site will thwart many redevelopment plans and decimate dry cleaners already impacted by COVID. Moreover, the additional environmental costs are entirely unnecessary as DTSC’s study (which CalEPA won’t release) determined that a 0.0009 AF is appropriate, which would eliminate the incremental $1 million for thousands of California properties. Reference the linked spreadsheet below for more details.

DVIG Cost Comparison
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