Delaware Environment - General: What you need to know

Overview of Delaware's Environmental Rules


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In Delaware, the counterpart to the U.S. Environmental Protection Agency (EPA) is the Delaware Department of Natural Resources and Environmental Control (DNREC). DNREC is responsible for protecting Delaware's land, water, and air from pollution. EPA has delegated to Delaware the authority to administer federal regulatory programs for air emissions, wastewater and stormwater discharges, and the management of hazardous and solid wastes. Several of the state's solid and hazardous waste management rules are stricter than corresponding federal rules. The state regulates freshwater and tidal wetlands and has delegated some regulatory authority to local agencies. Delaware has chemical reporting requirements that are stricter than federal standards. The federal Occupational Safety and Health Administration (OSHA) administers and enforces occupational health and safety in the private sector in Delaware. State law governs workplace health and safety in the public sector (state and municipal agencies, schools, commissions, etc.).


Delaware's air program is shaped by its state implementation plan (SIP), which sets forth basic strategies for the implementation, maintenance, and enforcement of the National Ambient Air Quality Standards (NAAQS). As mandated by the federal Clean Air Act (CAA), each state must adopt and submit a SIP to the U.S. EPA for approval. The Delaware SIP was officially submitted to EPA in January 1972 and is frequently amended to comply with the 1990 CAA amendments. The SIP focuses on permitting, emission standards, nonattainment areas, HAPs, and numerous other air-related requirements.

DNREC's Division of Air and Waste Management ...

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One of the most tedious aspects of an EHS manager’s job is to keep track of a host of records. Laws have been passed in every jurisdiction requiring facilities to produce and retain records of various kinds. Don’t get caught without the necessary records in the event of a surprise EPA or OSHA inspection! This special report shows EHS managers at a glance the records they must keep on hand and for how long.

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This special report contains a recordkeeping checklist to help you keep track of your records for major environmental laws and OSHA’s Hazard Communication Standard.

Also included are 3 useful tables which provide:
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  • A list of federal safety recordkeeping requirements.
  • A list of federal recordkeeping requirements for DOT and the Department of Homeland Security as they apply to hazardous material transporters and chemical facilities.
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