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Skip Navigation LinksDNREC : Division of Waste & Hazardous Substances

Before and after photos of a remediated property

UPDATE: U.S. Environmental Protection Agency (EPA) continues its cleanup effort at the Standard Chlorine of Delaware Superfund Site, also known as the Metachem Site, located in New Castle County, Delaware. EPA has been cleaning up the site in four separate parts called "operable units" or OUs. The EPA has announced a proposed Record of Decision (ROD) Amendment for addressing off-site contaminated soils at the site. These off-site soils are referred to as Operable Unit 2 (OU-2). EPA held a public meeting in Delaware City to discuss the OU-2 Proposed ROD Amendment on Jan. 12, 2016.  The EPA OU-2 Proposed Plan for the ROD Amendment is available here. For more information on the proposed amendment and how to provide comments, please see EPA Fact Sheet #22 EPA extended the public comment period on the ROD Amendment to Feb. 4, 2016More information on the Metachem site is available here.

DNREC's 24HR Complaint Line logoQuick Links and Numbers

Other non-WHS related cleanup and disposal programs:

NOW ONLINE: Environmental Protection Matters  Read the winter issue from DNREC's Office of Environmental Protection, which includes the Divisions of Air Quality, Energy & Climate, Water, and Waste & Hazardous Substances. Articles in this issue include: "Protecting Delaware's Natural Resources," regarding the recent purchase of the pristine Sturges Lowe property in Sussex County. Also, with the winter season upon us, you won't want to miss: "Saving Energy and Money with the EEAC."  Other articles include: "Introducing Tropo!" and "Dig Clean, Dig Safe in Delaware."

DNREC's Division of Waste & Hazardous Substances' Site Investigation and Restoration Section (SIRS) and the Division of Watershed Stewardship's Watershed Assessment and Management Section (WAMS) have recently completed the Phase II regional environmental study of polychlorinated biphenyls (PCBs) across the State of Delaware. More information and the Phase II Report are available here

Watershed Approach to Toxics Assessment and Remediation  (WATAR) is a watershed-scale approach to the evaluation of contaminant sources, transport pathways and receptors. More information is available here.

RECYCLING: All commercial businesses in Delaware are now required to participate in the comprehensive Universal Recycling Program. This includes for-profit and not-for profit retail or wholesale stores, offices, food service establishments, warehouses, and other manufacturing, industrial or processing activities, and institutions such as social, charitable, educational, healthcare, professional and government services. Learn more about recycling in Delaware including where and how to recycle – bottle returns, composting, recycling grants, and the Recycling Public Advisory Committee. Information about a new Delaware Organics Task Force can be found here.

Learn more about Recycling in Delaware... click here!

Other Topics of Interest:  

  • Annual Toxics Release Inventory (TRI) data now available; decrease in emissions continues in Delaware. Toxics Release Inventory update with latest state emissions figures
  • Delaware Brownfields Marketplace is an interactive database that contains a list of market-ready brownfield sites available for redevelopment in Delaware.
  • Delaware Groundwater Management Zones (GMZs): A GMZ is a delineated land area adjacent to and including a contaminated site where DNREC has determined that new drinking water wells must be restricted in order to protect public health and safety. For more information on GMZs in Delaware, please click here.

Other topics? For more information, visit All (A-Z List)…, an alphabetical list of links to Division of Waste & Hazardous Substances topics.

All (A-Z List)…
Alphabetical list of links to Division of Waste & Hazardous Substances topics.

Including information about on how to properly recycle or dispose of solid, infectious and hazardous waste – from hazardous chemicals to tires; cleanup of dumps, and waste regulation.

Environmental Enforcement
Enforcement-related information about land, water and air.

Hazardous Substances
Information about hazardous substances and their sources – from arsenic to MTBE.


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