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ARTICLE · 02 APRIL 2024

New York State Issues Updated Soil Vapor Intrusion Guidance

The New York State Department of Health (NYSDOH) announced an update to its Guidance for Evaluating Soil Vapor Intrusion in the State of New York...

United StatesEnvironment

Highlights

  • The New York State Department of Health (NYSDOH) announced an update to its Guidance for Evaluating Soil Vapor Intrusion in the State of New York, which now includes three new categories (matrices) for petroleum-related air contaminants.
  • For the first time, the three new matrices include 13 volatile organic compounds (VOCs) related to petroleum products, including benzene, toluene, ethylbenzene and xylene (BTEX).
  • Entities monitoring soil vapor concentrations under state contaminated site remediation programs will now be required to sample for these petroleum-related VOCs.
  • Real estate owners, developers and investors may be required to take mitigation measures depending on sub-slab vapor or indoor air concentrations for these newly added airborne contaminants.

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