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Skip Navigation LinksDNREC : Division of Waste & Hazardous Substances

Sections and Programs


The Division of Waste & Hazardous Substances (WHS) oversees the handling, transferring, and storing of solid and hazardous materials by regulating, monitoring, inspecting, enforcing and responding to emergencies. The Division’s responsibilities include programs for:

  • Maintaining and installing underground and above-ground storage tanks, and overseeing cleanup of tanks that may leak. 
  • Preventing industrial accidents, to ensure emergency planning and the community’s right to know, and to respond to environmental emergencies. 
  • Remediating sites contaminated by hazardous substances. 
  • Reusing, recycling, transporting and disposal of solid and hazardous waste.

Director’s Office: administers and directs the operations of the Division of Waste & Hazardous Substances’ Emergency Prevention & Response, Remediation Section, Compliance & Permitting Section, and Tank Management Section. The director’s office carries out cost recovery procedures to recoup state monies used in the cleanup of environmental violations and emergency incidents, develops and implements policies and procedures for the division, coordinates legal assistance for the division, and coordinates division outreach.

Director: Timothy Ratsep
302.739.9400 or 302.395.2600

Director's Office: 89 Kings Highway
Dover, DE 19901
Map & Driving Directions

Outreach Ombudsman:
Christina Wirtz

Division's Organizational Chart

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.

24-Hour Environmental Response Line: 1.800.662.8802

Section Manager
Jamie Bethard
Penny Lane Office
100 Penny Lane
Dover, DE 19901

Map & Driving Directions

Remediation Section (formerly the Site Investigation & Restoration Section) is responsible for the identification, evaluation and remediation of hazardous waste sites in the state, from brownfields to federal superfund sites.

Environmental Program Administrator
Qazi Salahuddin
391 Lukens Drive
New Castle, DE 19720
Map & Driving Directions

Compliance and Permitting Section (formerly the 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. (Also see Delaware's Green Industries Program.) 

Section Administrator
Jason Sunde
89 Kings Highway
Dover, DE 19901
Map & Driving Directions

Tank Management Section administers and assists with the installation, management of abandonment, removal and cleanup of underground and above-ground 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.  This Section also has the responsibility of overseeing the construction, installation and repair of all boilers and pressure vessels that are installed in the State of Delaware, except those exempted by Title 29 Chapter 80, (8028, and 8029) located in a "place of public assembly."

Acting Section Administrator (including Boiler Safety Group)
Lori Spagnolo
391 Lukens Drive
New Castle, DE 19720
Map & Driving Directions 

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