Maine Accumulation Time: What you need to know

Governing Law and Regulations

State generator classifications: Code of Maine Rules (CMR) 06-096.850.3

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Accumulation time limitations: Large quantity generators (LQGs): CMR 06-096 851.8(C) Small quantity generators (SQGs): CMR 06-096 850.4(A)(5)(d)(vi)

Quantity limitations: LQGs: CMR 06-096.851.12(C) SQGs: CMR 06-096.850.4(A)(5)

Regulatory Agency

Maine Department of Environmental Protection (DEQ) Bureau of Remediation and Waste Management Division of Oil and Hazardous Waste Facilities Regulation

Comparison: State vs. Federal

· Rules. Maine follows the federal accumulation time rule that allows large quantity generators (LQGs) to accumulate hazardous waste for up to 90 days without a permit (referred to in Maine as a license) and adds more stringent state provisions. In addition, because the state does not use the federal definitions of large quantity, small quantity, and conditionally exempt small quantity generator, Maine’s requirements are more stringent for generators that under the federal scheme would be considered small quantity generators (SQGs) or conditionally exempt small quantity generators (CESQGs). Unlike the federal rules, Maine does not allow accumulation for 270 days if the waste must be shipped more than 200 miles.

See the state section HAZARDOUS WASTE STORAGE for information on how generators can store hazardous waste on-site without a permit.

· Administration and enforcement. The Maine Department of Environmental Protection (DEP) administers and enforces the accumulation time regulations in Maine.

State Requirements


(CMR) 06-096.850.3

LQGs. Maine defines “LQGs” as persons that generate per month (CMR 06-096.850.3(B)):

  • 100 kilograms (kg) or more (approximately 27 gallons ...

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Governing Law and Regulations
Regulatory Agency
Comparison: State vs. Federal
State Requirements

State Requirements

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Maine Accumulation Time Resources

Accumulation Time Products

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This special report will explain the federal container management rules applicable to both TSDF owners and operators storing hazardous waste in containers and to generators accumulating hazardous waste on-site in containers. The report will address how to determine if a container is empty, the applicability of the air emissions control standards, and satellite accumulation by generators. "
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