DRAFT Petroleum Vapor Intrusion (VI): Updated Screening Levels, Cleanup Levels, and Sampling Considerations (Implementation Memo No. 18)
|DRAFT FOR PUBLIC COMMENT||Comment on this draft|
Acrobat PDF format (Number of pages: 27) (Publication Size: 687KB)
Note: Revised November 2017
|Description||This memorandum provides petroleum vapor intrusion guidance from the Washington State Department of Ecology (Ecology). To ensure consistency with the Model Toxics Control Act (MTCA) and Ecology’s previous petroleum vapor intrusion guidance, this memo proposes several changes to the vapor intrusion data tables in Ecology’s Cleanup Levels and Risk Calculator (CLARC). You’re invited to comment on these proposed changes through September 22, 2017. Submit your comments to Mark Gordon at firstname.lastname@example.org or via website above.
This draft memo was revised in November 2017 by adding a formerly missing row to Table B-3. No other changes were made to this draft.
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|Contact||Toxics Cleanup Program at 360-407-7170|
|Keywords||Total petroleum hydrocarbons (TPH), Air cleanup levels, Petroleum vapor intrusion (PVI), Groundwater cleanup levels, Soil gas screening levels, Groundwater vapor intrusion screening levels, Model Toxics Control Act (MTCA)|
|WEB PAGE||Vapor Intrusion|
Guidance for Remediation of Petroleum Contaminated Sites
Updated Process for Initially Assessing the Potential for Petroleum Vapor Intrusion (Implementation Memorandum #14)
DRAFT: Guidance for Evaluating Soil Vapor Intrusion in Washington State: Investigation and Remedial Action
Model Toxics Control Act Regulation and Statute: MTCA Cleanup Regulation Chapter 173-340 WAC, Model Toxics Control Act Chapter 70.105D RCW, Uniform Environmental Covenants Act Chapter 64.70 RCW
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