Governing Law and Regulations
Delaware Department of Natural Resources and Environmental Control (DNREC) Office of Environmental Protection Division of Waste and Hazardous Substances Solid and Hazardous Waste Management Section
Comparison: State vs. Federal
• Rules. The state has adopted the U.S. Environmental Protection Agency's (EPA) Hazardous Waste Generator Improvements Rule, effective in Delaware as of January 21, 2021, which includes standards for generators accumulating hazardous waste on-site in tanks. In addition, Delaware has added requirements for large quantity generators (LQGs) and small quantity generators (SQGs) accumulating hazardous waste on-site in tanks. SQGs must maintain a written record of their tank inspections and, if their tank capacity exceeds 1,000 gallons (gal), comply with several of the tank provisions applicable to LQGs.
Owners and operators of treatment, storage, and disposal facilities (TSDFs) that use hazardous waste tanks must comply with permit application requirements, including those regarding site location and an application fee, that are in addition to the ...