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U.S. EPA Technology Innovation and Field Services Division

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VISL: WHAT'S NEW (FEBRUARY 2018)


The Vapor Intrusion Screening Level (VISL) calculator, which was previously available as an Excel spreadsheet, is now available as an online calculator. The VISL uses the same database as the Regional Screening Levels (RSLs) for toxicity values and physiochemical parameters and will be automatically updated during the semi-annual RSL updates.
VISL: https://www.epa.gov/vaporintrusion/visl-whats-new-february-2018 RSLs: https://www.epa.gov/risk/regional-screening-levels-rsls



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