Delaware Hazardous Waste Tanks regulations & environmental compliance analysis

Delaware Hazardous Waste Tanks: What you need to know

Governing Law and Regulations

Hazardous waste tank rules: 7 Delaware Administrative Code (DE Admin Code) 1302.264.190 to 1302.264.200 and 7 DE Admin Code 1302.265.190 to 1302.265.202 (interim status)

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Organic air emissions standards: 7 DE Admin Code 1302.264.1030 to 1302.264.1090 and 7 DE Admin Code 1302.265.1030 to 1302.265.1090 (interim status)

Small quantity generators (SQGs):

Inspection records: 7 DE Admin Code 1302.262.16(b)(3)(ii)(B)

Tank operation: 7 DE Admin Code 1302.262.16(b)(3)

Large quantity generator (LQG) and SQG tank closure: DE Admin Code 1302.262.17(a)(2), 7 DE Admin Code 1302.262.16(b)(3)(i), and 7 DE Admin Code 1302.265.112(f)

Regulatory Agency

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 ...

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Delaware Hazardous Waste Tanks Resources

Type Title
Checklists TSDF Tank System Inspection Form (EQP 5192)
Forms Daily Tank Inspection Log
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