Ill. Admin. Code tit. 35 § 742.222

Current through Register Vol. 48, No. 49, December 6, 2024

Section 742.222 - Determination of Soil Vapor Saturation Limit

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.

Ill. Admin. Code tit. 35, § 742.222

Added at 37 Ill. Reg. 7506, effective May 15, 2013