New Hampshire Hazardous Waste Determination: What you need to know

Governing Law and Regulations

Identification and classification of hazardous waste: New Hampshire Regulations-Environmental-Hazardous Waste (NH Regs. Env-Hw) 400

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Hazardous waste criteria: NH Regs. Env-Hw 401.02

Hazardous waste exemptions: NH Regs. Env-Hw 401.03

State hazardous wastes:

Acutely hazardous wastes: NH Regs. Env-Hw 402.04

Listed hazardous wastes: NH Regs. Env-Hw 402.01 to 402.07

Regulatory Agency

New Hampshire Department of Environmental Services (DES) Waste Management Division Hazardous Waste Management Bureau Hazardous Waste Compliance Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. New Hampshire's hazardous waste determination rules largely mirror the federal rules. However, the state did not adopt the "solid waste" prong of the federal test for hazardous waste determination, and its hazardous waste standards are stricter in several respects. New Hampshire excludes fewer substances from hazardous waste classification and has a greater number of listed wastes. For an explanation of the federal rules on hazardous waste classification, see the national section HAZWASTE DETERMINATION (CLASSIFICATION).

Administration and enforcement. The Waste Management Division of the New Hampshire Department of Environmental Services (DES) administers and enforces the state's hazardous waste determination rules.

State Requirements


NH Regs. Env-Hw 401.02

New Hampshire does not use the solid waste portion of the hazardous waste determination test used by the federal rules. Instead, a waste is hazardous if it meets any of the following three criteria:

  • Is listed as a hazardous ...

>> Read more about Hazardous Waste Determination

State Requirements

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New Hampshire Hazardous Waste Determination Resources

Hazardous Waste Determination Products

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