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Connecticut Remediation Standard Regulations

Connecticut's Remediation Standard Regulations (RSRs) specify the standards for the remediation of environmental pollution in soil and groundwater.

Remediation Standard Regulations, as amended June 27, 2013
[This version contains the RSRs only. Please see the Environmental Land Use Restrictions (ELUR) webpage for the revised ELUR regulations.  Effective July 1, 2017, the Connecticut eRegulations System shall serve as the official version of the Regulations of Connecticut State Agencies and the electronic repository for the regulation-making record. Final approved regulations will no longer be printed in the Connecticut Law Journal.

Remediation Standard Regulations Fact Sheet

2019 Proposed Amendments to the RSRs and EURs

Variances Under the RSRs

Electronic Document Transmittal Form - must be the cover page for all Remediation documents uploaded into the Connecticut Secure File Transfer (SFT) website. It replaces the RSR Approval Request or Notice Transmittal Form. 

Environmental Land Use Restrictions

Engineered Control Variances

Technical Impracticability Variance

Covenant Not to Sue

Guidance for Rendering Soil Inaccessible Using Pavement 

Additional Information

Transmittal of Documents - Instructions and forms for use in electronic and hardcopy submittals.

Remediation Standard Regulations Course (October 2020) - PowerPoint presentation developed for EPOC's RSR course

Trichloroethylene (TCE) Developmental Risks - joint guidance from DPH and DEEP (Feb 2015)

Emerging Contaminants

Green Remediation

Regulatory Clarification: Asphalt Millings are Not Clean Fill (October 2006)

1996 Criteria Derivation - Technical Supporting information on the derivation of the risk-based criteria from the 1996 Remediation Standards Regulations

Technical Support Document for Extractable Petroleum Hydrocarbon Fractions Using the ETPH Analytical Method and Criteria Development

Connecticut Water Quality Standards - The RSRs were developed to be consistent with the Water Quality Standards and incorporate specific references to them.
Method for Estimating the 7-Day, 10-Year Low Flow of Streams in Connecticut (1982)  - Provides guidance for the self-implementing Alternative SWPC calculation specified in the RSRs section 22a-133k-3(b)(3)(A)

Content last updated October 22, 2020