# 35 Ill. Adm. Code 742.220: Section 742.220 Determination of Soil Saturation Limit

> Illinois · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_220

## Section

- **Citation:** 35 Ill. Adm. Code 742.220
- **Heading:** Section 742.220 Determination of Soil 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 742.220 Determination of Soil Saturation Limit

## Text

Section 742
Section 742.220
Determination of Soil Saturation Limit
a)         For any organic contaminant that has a melting point below
30°C, the remediation objective for the outdoor inhalation exposure route
developed under Tier 2 shall not exceed the soil saturation limit, as
determined under subsection (c).
b)         For any organic contaminant that has a melting point below
30°C, the remediation objective under Tier 2 for the soil component of the
groundwater ingestion exposure route shall not exceed the soil saturation
limit, as determined under subsection (c).
c)         The soil saturation limit shall be:
1)         The value listed in Appendix A, Table A for that specific
contaminant;
2)         A value derived from Equation S29 in Appendix C, Table A; 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)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_IL_IAC_T35_P742_S742_220. Check the current official text before relying on it. Not legal advice.