Stakeholder Engagement
Advice and Recommendations
The Legislative Regulation Review Committee approved the Release-Based Cleanup Regulations on April 22, 2025. Regulatory text and associated documents are available at the Connecticut eRegulations System.
The Working Group was charged with providing advice and recommendations for regulations to implement a release-based cleanup program. Advice and recommendations have come in many forms, including discussions during Working Group meetings and more formal documents from the Working Group and others (listed below).
Release-Based Program First Year Flow Chart
DECD-DEEP Developers Forum
Technical Support Documents
- Managed Multifamily and Passive Recreational Risk Based Criteria TSD
- Managed Multifamily Direct Exposure Criteria Table
- Passive Recreation Direct Exposure Criteria Table
- CT DPH Oral Toxicity Values for Managed Multifamily and Passive Recreation Criteria
- Instructions for APS Criteria and Alternative Exposure Scenario Calculators
- APS Criteria Calculator
- Alternative Exposure Scenario Calculator
- DEEP Recommended Taste and Odor Thresholds For Criteria Development (Coming Soon)
- DEEP Indoor Air Background Concentrations for Criteria Development (Coming Soon)
- CT Recommended Water Quality Benchmarks (Coming Soon)
- Physical Constants for RSR Chemicals (Coming Soon)
- Target Indoor Air Concentrations (Coming Soon)
Draft Proposal for Risk Based Cleanup Standard Calculators
Draft Multifamily and Recreational Risk Based Criteria TSD
Stakeholder Engagement and Presentations
DEEP offered informational meetings to discuss the regulatory proposal.
Workshop 1: Introduction to the RBCRs, Zoom recording
Workshop 2: Discovery & Reporting, Zoom recording
Workshop 3: New Releases, Significant Existing Releases, & Immediate Actions, Zoom recording
Workshop 4: Cleanup Standards, Closure Documentation, & Audits, Zoom recording
Connecticut Business & Industry Association Question & Answer Session
Connecticut Bar Association Question & Answer Session
Public Hearing Transcript
Society for Women Environmental Professionals Question & Answer Session
Previous presentations held by DEEP or at which DEEP discussed the December 2023 draft regulatory proposal are listed below.
Connecticut Environmental Forum
Environmental Professionals of Connecticut
Connecticut Business and Industry Association
Transition Advisory Group Meeting
CT Bar Association, Environment and Real Property Sections
Transition Advisory Group Meeting
CT Society for Women Environmental Professionals
Transition Advisory Group Meeting
Brownfield Coalition of the Northeast
Real Estate Finance Association of Connecticut/Building Owners and Managers Association
CT Equity and Environmental Justice Advisory Committee, Water Subcommittee
Subcommittee Process – Advice and Recommendations
First Phase Final Report - November 9, 2021
Second Phase Final Report - July 13, 2022
Regulatory Concept Feedback
- EPOC Comments regarding the SEH presentation at the October Working Group Meeting
- Environmental Attorneys' Comments regarding the SEH presentation at the October Working Group Meeting
- TAG Comments regarding the SEH presentation at the October Working Group Meeting
- EPOC Comments regarding Thresholds for Reporting Historical Releases presentation at the November Working Group Meeting
- CTDOT Stakeholder Comments on the Proposed Quantitative Reporting Thresholds
- Environmental Attorneys' Comments regarding the November and December Working Group Meetings
- EPOC Comments on the First Year after Discovery Flow Chart presented at the January Working Group Meeting
- Bryant Abbott's comments regarding non-LEP release certification discussed at the February Working Group Meeting
- EPOC Comments regarding the Third-Phase Subcommittee Concept Papers
- Scott Burrus's comments on the Roles and Qualifications of Non-LEP Environmental Professionals
- EPOC Comments on Significant Environmental Release Triggers
- Proposed RBP Tiering Approach Suggestion
- Comments by Tiers Subcommittee Members
- EPOC PEP Comments
- Subcommittee 6 Letter Regarding PEPs
- Subcommittee 10 Letter Regarding PEPs
- Environmental Attorneys Comments Regarding PEPs
- Comments on Draft Regulatory Language Regarding PEPs
- EPOC comments on Tiers Checklist and IAs
- Questions regarding September 12, 2023 DEEP Presentations
- Questions regarding October 10, 2023 DEEP Presentations
- EPOC comments on Historically Impacted Materials
- Environmental Attorneys' comments on October 2023 Working Group meetings
- Bryant Abbott comments on November 2023 DEEP Presentation
- EPOC questions regarding the November 2023 DEEP Presentations
- Emilee Mooney Scott questions regarding the November 2023 DEEP Presentations
- Eric Boswell questions regarding Passive Recreation
- Bryant Abbott comments regarding Residential Heating Oil
- EPOC comments on November 2023 DEEP Presentations
- Environmental Attorneys comments regarding November 2023 presentations
- EPOC Questions about Release Documentation, Audits, and Fees
- Questions to DEEP on the Draft Regulatory Package
- Comments on the Draft Regulatory Package
Third-Phase Subcommittee Process Concept Papers
- Cumulative Risk and Risk-Based Alternative Approaches
- Cumulative Risk and Risk-Based Alternative Approaches Response to DEEP Comments
- Role and Qualifications of Non-LEP Environmental Professionals
- Role and Qualifications of Non-LEP Environmental Professionals Addendum
Second-Phase Subcommittee Process Concept Papers
- Modification of Clean-up Standards for Lower-Risk Releases Concept Paper
- LEP-Implemented Risk-Based Alternate Clean-up Standards Concept Paper
- Clean-up Completion Documentation, Verifications, and Audit Frequency and Timeframes Concept Paper
First-Phase Subcommittee Process Concept Papers
- Discovery of Historical Releases Concept Paper
- Reporting Newly-Discovered Historical Releases Concept Paper
- Characterization of a Discovered Historical Release Concept Paper
- Immediate Removal Actions Concept Paper
- Tiers Concept Paper
DEEP Initial Response to Concept Papers
Transition Advisory Group Reports
Transition Advisory Group Recommendations - June 11, 2021Transition Advisory Group Observations - October 12, 2021
Ad Hoc Teams Charges and Reports
First Phase Subcommittee Ad Hoc Team Charges- Releases on Residential Properties Report - October 19, 2021
- Historical Fill & Anthropogenic Background Report - October 7, 2021
Working Group Emails and Materials
Fifty-seventh Release-Based Working Group email
Fifty-sixth Release-Based Working Group email
Fifty-fifth Release-Based Working Group email
Fifty-fourth Release-Based Working Group email
Fifty-third Release-Based Working Group email
Fifty-second Release-Based Working Group email
Fifty-first Release-Based Working Group email
Fiftieth Release-Based Working Group email with Draft Release Characterization Guidance
Forty-ninth Release-Based Working Group email
Forty-eighth Release-Based Working Group email with Draft Release Characterization Guidance
Forty-seventh Release-Based Working Group email with Proposed Regulations
Forty-sixth Release-Based Working Group email
Forty-fifth Release-Based Working Group email
Forty-fourth Release-Based Working Group email
Forty-third Release-Based Working Group email
Forty-second Release-Based Working Group email
Forty-first Release-Based Working Group email
Fortieth Release-Based Working Group email with Draft Regulations
Thirty-ninth Release-Based Working Group email
Thirty-eighth Release-Based Working Group email
Thirty-seventh Release-Based Working Group email
Thirty-sixth Release-Based Working Group email
Thirty-Fifth Release-Based Working Group email
Thirty-Fourth Release-Based Working Group email
Thirty-Third Release-Based Working Group email
Thirty-Second Release-Based Working Group email
Thirty-First Release-Based Working Group email
Thirtieth Release-Based Working Group email
Twenty-Ninth Release-Based Working Group email
Twenty-Eighth Release-Based Working Group email
Twenty-Seventh Release-Based Working Group email
Twenty-Sixth Release-Based Working Group email
Twenty-Fifth Release-Based Working Group email
Twenty-Fourth Release-Based Working Group email
Twenty-Third Release-Based Working Group email
Twenty-Second Release-Based Working Group email
Twenty-First Release-Based Working Group email
Twentieth Release-Based Working Group email
Nineteenth Release-Based Working Group email
Eighteenth Release-Based Working Group email
Seventeenth Release-Based Working Group email
Sixteenth Release-Based Working Group email
Fifteenth Release-Based Working Group email
Fourteenth Release-Based Working Group email
Thirteenth Release-Based Working Group email
Twelfth Release-Based Working Group email
Eleventh Release-Based Working Group email
Tenth Release-Based Working Group email
Ninth Release-Based Working Group email
Ad Hoc Teams Summary Survey Results
Eighth Release-Based Working Group email
Seventh Release-Based Working Group email
Sixth Release-Based Working Group email
Fifth Release-Based Working Group email
Fourth Release-Based Working Group email
Third Release-Based Working Group email
Second Release-Based Working Group email
First Release-Based Working Group email
Miscellaneous
Email to Subcommittee Chairs - March 9, 2022
Method 3 DEEP ResponseDEEP has worked to draft regulations incorporating the concepts identified. DECD and DEEP continued to work in partnership with the Working Group and the public throughout this process.
Release-Based Clean Up Program Regulation Development
Content Last Updated May 9, 2025