This is the ninth in a series of blog posts discussing key features of Connecticut’s new release-based cleanup regulations (the “RBCRs”), R.C.S.A. § 22a-134tt-1 et seq.
The final task in the remediation process is documenting that remediation is complete, and no further action is required. This post discusses the documentation requirements under the RBCRs, and how they differ from documentation requirements under the Transfer Act.
Verification Under the Transfer Act
First, a review of current procedures under the Connecticut Transfer Act will set the stage. The Transfer Act requires a site-wide investigation and remediation effort. Through this process, all “areas of concern” where a release occurred or may have occurred are investigated and, if needed, remediated. When that is done, a Licensed Environmental Professional, or LEP, prepares a document called a Verification. Typically, the Verification attests that the entire parcel has been investigated in accordance with prevailing standards and guidelines, and that the establishment has been remediated in accordance with the remediation standards. When work is complete at a specific geographic portion of the site (but remains underway at other portions) an LEP can prepare a Verification for just the completed portion of the site and save the remainder of the site for later Verifications. Ultimately, efforts at all portions of the Transfer Act establishment parcel must be closed through Verification reports.
After the Verification is submitted, the Connecticut Department of Energy and Environmental Protection (DEEP) may initiate an audit of the Verification within one year after it is submitted. If there is no audit, or if DEEP is satisfied after the audit, then the Verification stands and the Transfer Act process is complete.
Release Remediation Closure Reports
In contrast to the Transfer Act, the RBCRs do not require a site-wide effort. Instead, the RBCRs require that releases be investigated and remediated as they are discovered (see our prior post on Discovery of an Existing Release). Consequently, documentation will be developed and submitted on a release-by-release basis.
Under the RBCRs, documentation that a release has been remediated to the extent required will be provided in a “release remediation closure report.” The RBCRs provide a list of the information the release remediation closure report must include, and further detail is provided in the companion blog post. Release remediation closure reports may be prepared by either a LEP or, for less-impactful releases, a Permitted Environmental Professional or PEP. We discussed PEPs in a prior blog post on Immediate Actions.
Release remediation closure reports, and other records (like the tier checklist form discussed in a prior post on Oversight Tiers), will be subject to audit by DEEP, as Verifications are now. The audit process will look a little different under the RBCRs, however. Under the Transfer Act, DEEP audits the final Verification report submitted at the end of the remediation process. DEEP does not audit interim documents like Completion of Investigation reports, although the audit of the final Verification may bring to light issues with those interim documents. By contrast, under the RBCRs, DEEP can audit the release remediation closure report and any other reports required to be signed off by an LEP or certified by a PEP. In other words, interim documents like tier checklists can be audited.
In another change from the Transfer Act, the RBCRs set forth different levels of DEEP review and audit.
- A screening audit is an administrative review by DEEP performed within 180 days after a release record (like a release remediation closure report, tier checklist, or other document) is submitted. This screening audit may commence and be conducted without notice to the LEP, PEP, or other responsible party. DEEP may reject a release record after a screening audit and notify the LEP, PEP, or other responsible party that a new release record is required.
- A focused audit is the review of a single release record and may address the entire record or focus on specific areas. These may be selected at random or identified through screening audits. Notice is provided, which must include identification of additional information necessary for DEEP to determine compliance. A focused audit may result in acceptance of the release record, the order for a more detailed full audit, or outright rejection of the release record.
- A full audit is a review of several or all of the release records associated with a release. This also involves notice and identification of additional information needed. Such a full audit can result in DEEP rejecting one or more of the release records and requiring resubmission.
Transfer Act Sites After March 1, 2026
For sites that are enrolled in the Transfer Act before March 1, 2026, the site-wide investigation and remediation process discussed above will still be required after March 1. As noted above, Transfer Act Verifications typically apply to the entire parcel, but Verifications may be filed for a portion of the parcel if that portion has been fully investigated and remediated. A statutory change in the 2025 legislative session broadens this “portion verification” concept to permit remediation of a Transfer Act site to be documented in a release-by-release manner.
Public Act 25-54 provides that any Certifying Party (i.e., the person responsible for completing work on a Transfer Act site) may complete site-wide investigation as required under the Transfer Act and submit to DEEP a report that catalogues each release identified by such site-wide investigation. Once all releases at a site have been catalogued, they can be closed one by one through submission of release remediation closure reports. After all releases have been closed, the Certifying Party may then request from DEEP a letter confirming that all releases have been closed and that Transfer Act work is complete. While this pathway may not be of interest to all Certifying Parties, it might be useful at sites with multiple Certifying Parties who want to more clearly define which party is working on which release areas.