Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 742 - TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES
Subpart B - GENERAL
Section 742.222 - Determination of Soil Vapor Saturation Limit
Universal Citation: 35 IL Admin Code ยง 742.222
Current through Register Vol. 48, No. 38, September 20, 2024
a) For any volatile chemical, the soil gas remediation objective for the indoor and outdoor inhalation exposure routes developed under Tier 2 shall not exceed the soil vapor saturation limit, as determined under subsection (b).
b) The soil vapor saturation limit shall be:
1)
The value listed in Appendix A, Table K for that specific
contaminant;
2) A value derived
from Equation J&E5 in Appendix C, Table L; or
3) A value derived from another method
approved by the Agency.
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