Connecticut Department of Energy & Environmental Protection

Remediation Standard Regulations

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  • Wave 2 Revision Concepts and History

    The Department of Energy and Environmental Protection (DEEP) presented proposed concepts in the RSR Wave 2 Conceptual Language document, as well as at multiple question and answer sessions and accepted public feedback regarding revisions to the Remediation Standard Regulations.

  • Proposed Amendments to the Remediation Standard Regulations and Environmental Use Restriction Regulations

    The Remediation Division of the Bureau of Water Protection and Land Reuse is proposing amendments to Sections 22a-133k-1 through 22a-133k-3 of the Regulations of Connecticut State Agencies, the Remediation Standard Regulations (RSRs). The RSRs specify the standards for the remediation of environmental pollution in soil and groundwater.

  • Remediation Standard Regulations Fact Sheet

    Connecticut's Remediation Standard Regulations (RSRs) provide detailed guidance and standards that may be used at any site to determine whether or not remediation of contamination is necessary to protect human health and the environment.

  • Engineered Control Variances

    An Engineered Control is a permanent physical structure designed to safely isolate pollutants which would otherwise not comply with the self-implementing remedial options allowed in the Connecticut Remediation Standard Regulations (RSRs).

  • Requesting APS and Alternative Criteria

    The Remediation Standard Regulations (RSRs), contain numeric cleanup standards for 88 substances. When a contaminant at a site is not one of the 88 substances, Additional Polluting Substance (APS) criteria must be approved by the Commissioner to complete cleanup at the site under the RSRs. When the RSRs contain criteria for a substance but a party believes different numeric criteria are appropriate for a specific site, that party may request approval of Alternative Criteria.

  • Technical Impracticability Variance

    A Technical Impracticability Variance is a remedial option provided under the Connecticut Remediation Standard Regulations (RSRs) when non-aqueous phase liquids cannot be contained or removed in accordance with Section 22a-133k-2(g) of the RSRs, remediation to the extent technically practicable has reduced the concentration of pollutants in groundwater to steady-state concentrations, or as otherwise specified in EPA guidance.

  • 1996 RSR Criteria Derivation

    The Remediation Standard Regulations that established the requirements for the remediation of contamination within Connecticut were organized by environmental media and relied, in part, on risk-based criteria that established remediation goals for various contaminants typically found at remediation sites.

  • Remediation Standard Regulations

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

  • Public Notice Requirements

    CT DEEP Remediation Standard Regulation public notice requirements.