Remediation Standard Regulations
Connecticut's Remediation Standard Regulations (RSRs) specify the standards for the remediation of environmental pollution in soil and groundwater.Compliance Measures
Variances Under the RSRs
Additional Information
Technical Support Documents
Remediation Standard Regulations, as amended February 16, 2021 (unofficial versions) - Soil and groundwater criteria tables are in appendices to RCSA 22a-133k-3.
- Affirmative Responsibility to Clean up Pollution in Connecticut
- Public Notice Requirements
- Remediation Standard Regulations Fact Sheet
- Wave 2 RSRs & EUR Regulations Q&A
Compliance Measures
Environmental Use RestrictionsRequesting Additional Polluting Substances and/or Alternative Criteria
Alternative Groundwater Protection Criteria Map (in GIS format)
RSR Guidance DocumentsDEEP Concurrence with ITRC Technical Guidance Documents
Variances Under the RSRs
Technical Impracticability Variance
Additional Information
Remediation Standard Regulations Course (April 2023) - PowerPoint presentation developed for EPOC's RSR course:
Red-line/[Blue-line] Version of the RSRs - contains deleted/moved language in bracketed blue text and added/moved language in underlined red text. This version of the Revised RSRs is unofficial and made available for the convenience of the reader.
RSRs with Indents - text of the RSRs with subsections and subparagraphs indented for readability. This version of the RSRs is unofficial and made available for the convenience of the reader.
Trichloroethylene (TCE) Developmental Risks - joint guidance from DPH and DEEP
Connecticut Water Quality Standards
Analytical Methods Used to Characterize Petroleum Releases
Laboratory Quality Assurance and Quality Control
2019 Proposed Amendments to the RSRs and EURs
Technical Support Documents
Technical Support Document for Extractable Petroleum Hydrocarbon Fractions Using the ETPH Analytical Method and Criteria Development
Technical Support Document for Petroleum Hydrocarbons Using the EPH/VPH/APH Analytical Methods and Criteria Development
2003 Proposed Revisions to Connecticut’s Remediation Standard Regulations Volatilization Criteria
1996 Criteria Derivation - Technical Supporting information on the derivation of the risk-based criteria from the 1996 Remediation Standards Regulations
Content last updated June 9, 2023