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DRAFT: Guidance for Evaluating Soil Vapor Intrusion in Washington State: Investigation and Remedial Action

Publication number Date Published Date Revised
09-09-047October 2009February 2016
VIEW NOW: Acrobat PDF format (Number of pages: 108) (Publication Size: 3265KB)
Note: For more information see related web content below. You may print this publication by clicking on the PDF link above.

Table B-1: Link to revised (April 2015) Excel Spreadsheet for Vapor Intrusion Screening Levels
(1 pages) (280KB)

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Author(s) Pete Kmet
Description This document provides guidance on how to evaluate and respond to the vapor intrusion exposure pathway pursuant to the Model Toxics Control Act (MTCA) Cleanup Regulation, chapter 173-340 WAC.

*** FEBRUARY 2016 REVIEW DRAFT REVISION NOTE*** This draft publication was revised February 2016 with only one change from the October 2009 draft: Table B-1 is outdated and should not be used. Please access the Microsoft Excel spreadsheet that contains updated screening levels by *copying and pasting* the following link into your browser:

The Excel table can also be accessed from the Vapor Intrusion Guidance website via link below.

REQUEST A COPY The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

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Keywords screening levels, volatilization, vapor intrusion, mitigation, ground water
WEB PAGE Draft Vapor Intrusion Guidance Website

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