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The Tank Management Section (TMS) administers and assists with the installation, management of abandonment, removal and cleanup of underground and aboveground storage tank systems, to prevent contamination of soils and groundwater supplies. The staff also permits the installation and operation of vapor recovery equipment and inspects boilers and pressure vessels to ensure public safety.

  • Aboveground Storage Tank Program conducts inspections at facilities with AST systems to prevent releases to the environment by ensuring that AST systems are properly installed, inspected, tested, and maintained. The AST program also oversees the cleanup of sites which have had releases from AST systems.

  • Boiler Safety Program is responsible for the construction, installation and repair of all boilers and pressure vessels.

  • Corrective Action Program oversees the cleanup of petroleum and chemical contamination at properties where a release has occurred from underground storage tank or aboveground storage tanks (USTs or ASTs).

  • Underground Storage Tank Compliance Program conducts inspections every three (3) years at facilities with UST systems to prevent releases to the environment by ensuring that UST systems are properly installed, inspected, tested, and maintained.

  • Vapor Recovery Program is responsible for ensuring the safe operation of Stage I and Stage II vapor recovery systems at gasoline dispensing facilities.
  • Environmental Crimes Unit investigates and enforces a wide variety of environmental laws and regulations for the Divisions of Air Quality,¬†Waste & Hazardous Substances, Water and Watershed Stewardship.

    Emergency Prevention and Response Section responds statewide 24 hours a day to oil spills, hazardous material incidents, and possible terrorist threats. The Section also coordinates responses with local fire departments and various local, state, and federal agencies and implements the Emergency Planning and Community Right-to-Know and Accidental Release Prevention Programs.

    Site Investigation and Restoration Section is responsible for the identification, evaluation, and remediation of hazardous waste sites, from Brownfields to federal Superfund sites, in the State.

    Solid and Hazardous Waste Management Section ensures - through regulation and permitting mechanisms - that waste generated, transported, treated, recycled, reused or disposed in Delaware is managed in an environmentally safe manner.  The section also encourages, through voluntary means, waste reduction, reuse, and recycling activities.

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