Ill. Admin. Code tit. 35, § 742.222
Determination of Soil Vapor Saturation Limit
Effective May 15, 201337 Ill. Reg. 7506AUTHORITY: Implementing Sections 22.4, 22.12, Title XVI, and Title XVII and authorized by Sections 27 and 58.5 of the Environmental Protection Act [415 ILCS 5/22.4, 22.12, 27, and 58.5 and Title XVI and Title XVII].POLLUTION CONTROL BOARD
- 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.
(Source: Added at 37 Ill. Reg. 7506, effective May 15, 2013)