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 Pages Categorized With: "Waste and Hazardous Substances"

Solid Waste Facilities

The Compliance and Permitting Section (CAPS) of the DNREC Division of Waste and Hazardous Substances issues permits for all solid and hazardous waste facilities, such as operating and closed landfills and transfer stations, recycling, composting and resource recovery facilities.

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Compliance and

Managing Used Aerosol Cans

For businesses, aerosol cans pose a unique hazardous waste determination problem because they consist of three different types of materials, each of which may be classified as hazardous waste — the can itself, liquid product contained in the can, and the gaseous propellant.

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Managing Common Household Wastes

Many types of hazardous waste items used by households can be disposed of in household trash, taken to a Delaware Solid Waste Authority (DSWA) recycling drop-off center, or taken to a DSWA Household Hazardous Waste Collection Event.
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Infectious Waste

The DNREC Division of Waste and Hazardous Substances regulates the treatment, packaging, storage, transportation, and disposal of infectious waste in the state.

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Sean Finney Environmental Scientist 302-739-9403
Registrations and Permits Infectious Waste Generator

Scrap Tire Management

Delaware produces more than 750,000 scrap tires a year. How to keep them from fouling the environment is a serious consideration. The Department of Natural Resources and Environmental Control (DNREC) offers two programs to help — the Scrap Tire Facility Compliance Program and the Scrap Tire Removal Program. [column md=”5″ xclass=”col-xs-12 col-lg-4

Hazardous Waste Notification and Reporting

Small quantity and large quantity generators of hazardous waste must notify the state of Delaware of their activities. Large quantity generators are required to submit annual reports to the state.

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Compliance and Permitting Section 89 Kings Highway

PFAS in Delaware

DNREC and the DHSS Division of Public Health are working with federal agencies to protect the environment and public health in Delaware from the effects of a group of synthetic chemicals known as PFAS.

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DNREC Division of Waste and Hazardous

Delaware Plastic Bag Survey

Retail Stores in the State of Delaware are required to register and complete the At-Store Plastic Bag Recycling Survey and Registration. This survey should take less than 5 minutes to complete.

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Barbara Blaier Environmental Scientist 302-739-9403

Subscribe for EQuIS Updates

DNREC is committed to keeping its Data Providers and Users informed. If you are a user of the EQuIS™ database, please use the form below to subscribe for updates from DNREC.
Note: This information will go to the EQuIS program managers and will only be used for occasional emails letting you

EQuIS Data Submittal

The Department of Natural Resources and Environmental Control (DNREC) maintains an EQuIS™ database, from EarthSoft® Inc., to store and analyze both field and laboratory data about facilities and sites that are the subject of regulatory, remediation or other management efforts of the Department. The following information provides instructions for reporting

Waste and Hazardous Substances Contacts

Timothy Ratsep, Director Richardson and Robbins Building 89 Kings Highway Dover, DE 19901 302-739-9400
Emergency Response Line: 800-662-8802 Report environmental spills, violations of environmental laws and regulations, and other issues to DNREC.
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Blades Groundwater Site

On Sept. 1, 2020, the U.S. Environmental Protection Agency (EPA) announced the addition of the Blades Groundwater Site to the Superfund National Priorities List (NPL). The NPL is EPA’s list of priority sites with releases of hazardous substances, pollutants or contaminants requiring evaluation for possible remediation. The public announcement of the listing appears in the

Reporting Requirements

In 1986, the federal Emergency Planning and Community Right-to-Know Act (EPCRA) was passed. In 1991, the State of Delaware passed its own Emergency Planning and Community Right-to-Know Act which built upon the federal law and created a funding mechanism for for emergency planning activities. Through these laws, a series of reporting requirements were established covering

Data and Information

The State of Delaware provides a variety of data search and information services related to Community Right-to-Know.
Community Right-to-Know Menu
  • Community Right-to-Know
  • Reporting Requirements

  • Online Reporting

    Delaware facilities submit their annual Tier II reports (often referred to as EPCRA Section 312 reports) online using the Tier II ManagerTM system. EPCRA Section 302 and 311 reports are submitted online as well.
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    Community Right-to-Know

    The Emergency Planning and Community Right-to-Know Act (EPCRA) Reporting Program, in the DNREC Emergency Response and Strategic Services Section, works with local communities and the regulated community to collect and share information about the storage, use and release of hazardous and toxic chemicals.
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    The Toxics Release Inventory

    The Toxics Release Inventory (TRI) is a publicly available data set containing information reported annually for toxic chemicals manufactured, processed, or otherwise used by certain facilities in Delaware and throughout the United States.
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  • And What About Propane Tanks?

    We get questions from time to time from people curious about rules and regulations that apply to propane tanks. Some aspects of propane tanks are subject to parts of our requirements at DNREC, but not all. Here is a collection of notes, links and guidance to our requirements and those of other agencies, based on

    Brownfields Basics Workshop

    In June 2019, DNREC held a Brownfields Basics Workshop focused specifically on resources available to non-profits, local governments and state agencies to aid in the redevelopment of Brownfields.  The presentations from that workshop are presented here as a resource.  They are posted as PDF files. For additional information on


    The DNREC Brownfields Development Program encourages the cleanup and redevelopment, reuse or expansion of properties which may be perceived to be environmentally contaminated.

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    Remediation Section 391 Lukens Drive New Castle, Delaware 19720 302-395-2600
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    The Remediation Section

    The DNREC Remediation Section protects public health, welfare, and the environment in Delaware by identifying and cleaning up releases of hazardous waste, petroleum and other hazardous substances in the environment to an acceptable level of human-health and environmental risk, and supporting the continued safe use, re-use or enhanced productive use of remediated properties. [column

    Storage Tank Corrective Action

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

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    Remediation Section 391 Lukens Drive New Castle, Delaware 19720 302-395-2600

    Underground Storage Tank Contractors

    All contractors performing installation, retrofit, removal, or closure in place of regulated underground storage tanks must be certified by the Department of Natural Resources and Environmental Control.

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    Tanks Compliance Lukens Drive Field Office 391 Lukens Drive New Castle, DE 19720 302-395-2500

    Underground Storage Tanks

    The DNREC underground storage tank (UST) compliance program is responsible for ensuring the safe operation of over 400 federally regulated underground storage tank and 150 state regulated underground storage tank heating oil facilities in the state.

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    Tanks Compliance Lukens Drive

    Aboveground Storage Tanks

    The DNREC aboveground storage tank (AST) program is responsible for ensuring the safe operation of over 1,000 regulated aboveground storage tank facilities in the state. All registered ASTs have to comply with Delaware’s Regulations Governing Aboveground Storage Tank Systems (AST Regulations).

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    Tank Management Documents

    An alphabetical list of documents relating to tank management in Delaware. Aboveground Storage Tank (AST) Information Agricultural/Farm – Approved Best Management Practices for ASTs less than 40,000 gallons AST Activity Notification Form AST Foreclosure Form Notice AST Registration

    Financial Assistance Programs

    The DNREC Division of Waste and Hazardous Substances offers financing options and assistance to the owners or operators of underground and aboveground storage tank systems.

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    Tanks Compliance Lukens Drive Field Office 391 Lukens Drive New

    Tanks Compliance

    The DNREC Division of Waste and Hazardous Substances regulates the installation, operation, maintenance, and closure of underground and aboveground storage tank systems in order to prevent contamination of soils and groundwater. The Division permits the installation and operation of vapor recovery equipment. And it oversees cleanup of releases from both underground and aboveground storage tank

    Underground Storage Tank Fees

    Fees for registration and permits related to underground storage tanks are set in Delaware State Code and in DNREC regulations and can be paid online. Registration Fees Underground storage

    Vapor Recovery Program

    The DNREC Division of Waste and Hazardous Substances partners with the DNREC Division of Air Quality to implement the Vapor Recovery (VR) program, which is is responsible for ensuring the safe operation of Stage I and Stage II vapor recovery systems at gasoline dispensing facilities.
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    Boilers and Pressure Vessels

    The primary objective of the DNREC Boiler Safety Program is to protect the public from unsafe boilers, pressure vessels. It does so by providing registration and inspections of boilers and pressure vessels under the state’s Boiler Safety Regulations.

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    Boiler Safety

    Insurance Companies

    A listing of insurance companies and contacts related to boilers and pressure vessels.
    ARISE Inc. Grand Bay I 7000 South Edgerton Road Suite 100 Brecksville, OH 44141-3172 440-740-0197 Website Chubb 525 W. Monroe, Suite 700 Chicago,

    Boiler Safety Commissions and Testing

    The Boiler Safety Program requires anyone conducting jurisdictional inspections to have a current National Board of Boiler and Pressure Vessel Inspectors IS (In-Service) Commission and a Delaware Certificate of Competency.

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    Boiler Safety Program 302-395-2500

    Council on Boiler Safety

    The Council on Boiler Safety serves in an advisory capacity to the Secretary of the Department of Natural Resources and Environmental Control (DNREC) on matters relating to the sale, operation, construction and use of boilers in Delaware.

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    Boiler Safety Program 391 Lukens

    State Emergency Response Commission

    All content relating to the Delaware State Emergency Response Commission (SERC) has moved to the website of the Delaware Emergency Management Agency (DEMA) at Please update your bookmarks and links. The Commission, created in response to the federal Emergency Planning and Community Right-to-Know Act (EPCRA) of 1986, is comprised of representatives

    Yard Waste Drop-Off Sites

    Yard waste is banned from all Delaware landfills. The best way to handle most yard waste is to compost or mulch it on-site. Larger items may need to be handled at a commercial composting site. Many Delaware trash haulers offer yard waste service, and landowners can also take their yard waste to

    Recycling for Business

    Businesses can make a major contribution to recycling in Delaware. They can help their customers recycle and manage wastes, and they can structure their own business practices to take advantage of recycling opportunities and resources.


    What would you rather grow? A rich backyard garden? Or a an ever-expanding landfill down the road? By composting your yard waste and kitchen scraps, you can reduce the amount of waste that you are feeding to the landfill and at the same time produce food for your yard and garden that is as good

    Yard Waste

    Yard waste is plant material that comes from lawn maintenance and other gardening and landscaping activities. This includes grass clippings, leaves, prunings, brush, garden wastes, Christmas trees, and tree limbs up to four inches in diameter. Yard waste was banned for disposal from all Delaware landfills as of 2007. [column md=”5″ xclass=”col-xs-12

    Recycling Public Advisory Council

    The Delaware Recycling Public Advisory Council was established by the Delaware General Assembly in 2010 (7 Del. Code, §6058) to advise the Department of Natural Resources and Environmental Control (DNREC), and the Delaware Solid Waste Authority (DSWA) on all aspects of recycling.
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    Division of Waste and Hazardous Substances

    The DNREC Division of Waste and Hazardous Substances encourages waste reduction, reuse, and recycling; ensures compliance with waste and hazardous substance management laws; leads investigation and clean-up of contaminated sites; regulates installation, operation, removal and remediation of tanks storing petroleum and hazardous substances; ensures boilers and pressure vessels are inspected to prevent catastrophic failures; provides comprehensive