# 35 Ill. Adm. Code 742.222: Section 742.222 Determination of Soil Vapor Saturation Limit

> Illinois · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_222

## Section

- **Citation:** 35 Ill. Adm. Code 742.222
- **Heading:** Section 742.222 Determination of Soil Vapor Saturation Limit
- **Jurisdiction:** Illinois
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Illinois Administrative Code / Title 35 ENVIRONMENTAL PROTECTION / CHAPTER I: POLLUTION CONTROL BOARD / Part 742 TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES / Section 742.222 Determination of Soil Vapor Saturation Limit

## Text

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.

## Nearby sections

- [35 Ill. Adm. Code 742.200 Section 742.200  Definitions](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_200.md)
- [35 Ill. Adm. Code 742.205 Section 742.205  Severability](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_205.md)
- [35 Ill. Adm. Code 742.215 Section 742.215  Determination of Soil Attenuation Capacity](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_215.md)
- [35 Ill. Adm. Code 742.220 Section 742.220  Determination of Soil Saturation Limit](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_220.md)
- [35 Ill. Adm. Code 742.222 Section 742.222  Determination of Soil Vapor Saturation Limit](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_222.md)
- [35 Ill. Adm. Code 742.225 Section 742.225  Demonstration of Compliance with Soil and Groundwater Remediation Objectives](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_225.md)
- [35 Ill. Adm. Code 742.227 Section 742.227  Demonstration of Compliance with Soil Gas Remediation Objectives for the Outdoor and Indoor Inhalation Exposure Routes](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_227.md)
- [35 Ill. Adm. Code 742.230 Section 742.230  Agency Review and Approval](https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_230.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_222. Check the current official text before relying on it. Not legal advice.