Remediation Site Clean Up

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• Final SCGD

  The Site Characterization Guidance Document describes DEEP's recommendations for the investigation of properties and the suggested content of documentation that presents the facts and findings of site characterization by environmental professionals responsible for designing, conducting, and documenting site investigations and by any parties/persons required by law to conduct an investigation of a property in accordance with prevailing standards and guidelines.

• Guidance for Utility Company Excavation

  Department of Energy & Environmental Protection recommendations to be followed by utilities that encounter contaminated soil during repair or construction activities.

• Analytical Methods for Petroleum Releases

  The Extractable Total Petroleum Hydrocarbons (ETPH), Extractable Petroleum Hydrocarbons (EPH), and Volatile Petroleum Hydrocarbons (VPH) are analytical methods that are commonly used in Connecticut to characterize petroleum releases.

• Release-Based Cleanup Regulations Formal Regulation Adoption

  The proposed Release-Based Cleanup Regulations have been revised based on comments from the Release-Based Working group and the public and the formal regulation adoption process has begun.

• List of Significant Environmental Hazards

  DEEP is required by statute to provide a List of Significant Environmental Hazards Reported to DEEP on the website. This list is updated periodically, and it contains information on hazard notices reported to DEEP for the period shown in the upper right corner of each page.

• Licensed Environmental Professional Program

  The Licensed Environmental Professional (LEP) Program was established to adopt regulations concerning the professional ethics and conduct appropriate to establish and maintain a high standard of integrity and dignity in the practice of an LEP and allowing LEPs to verify that an investigation has been performed at a specific property in accordance with the Remediation Standard Regulations.

• LEP Board Members

  LEP Board Current Members

• 1,4-Dioxane

  Information on 1,4-dioxane, including industrial uses, analytic methods, behavior in the environment, and links to additional information on 1,4-dioxane.

• Release-Based Cleanup Program Stakeholder Engagement

• 2025 LEP Board Meetings

• LEP Application Forms

  Links to various forms required to become a Licensed Environmental Professional in Connecticut.

• Release-Based Working Group Meetings

  Release-Based Working Group Meetings, contains meeting dates, meeting links, agendas, and other materials are posted

• Release-Based Clean Up Program Regulation Development

  Release-Based Clean Up Program Regulation Development describing the process for developing a release basef program that will replace the Property Transfer Act.

• General Permit for In Situ Remediation

  Connecticut DEEP has developed general permits for the most common in situ remedial activities - enhanced aerobic biodegradation and chemical oxidation. In situ remedial activities not covered by a general permit may still be authorized through the issuance of an individual groundwater discharge permit or a temporary discharge authorization, as appropriate for the proposed activity.