New Hampshire Neutralization of Wastes regulations & environmental compliance analysis

New Hampshire Neutralization of Wastes: What you need to know

Governing Law and Regulations

Elementary neutralization unit (ENU): New Hampshire Regulations-Environmental-Hazardous Waste (NH Regs. Env-Hw) 103.41

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Permit requirements: NH Regs. Env-Hw 303.01 and NH Regs. Env-Hw 304.04

Annual reports: NH Regs. Env-Hw 607.02, NH Regs. Env-Hw 705.03, and NH Regs. Env-Hw 807.07

Regulatory Agencies

New Hampshire Department of Environmental Services (DES) Waste Management Division

U.S. Environmental Protection Agency (EPA) Region 1

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. New Hampshire has adopted the federal rules and exemptions for the neutralization of hazardous wastes with additional permit requirements. The neutralization procedure involves making adjustments to the pH level of the corrosive waste so that it has a neutral value. The purpose is to alter the corrosive characteristic of the waste so that it no longer is hazardous and can be disposed of or treated as nonhazardous. For more information on neutralization, see the national section NEUTRALIZATION OF WASTES.

Note: The waste may still be hazardous if it has other characteristic properties such as ignitability or toxicity. Examples of industries that might use neutralization of wastes are: Automobile industries that use acids for cleaning engine parts that create an acidic corrosive waste, and cleaning industries that use caustics in their operations that create an alkaline corrosive waste.

Administration and enforcement. DES administers and enforces its own hazardous waste management program, including the process of elementary neutralization of waste. For further guidance, see the national ...


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New Hampshire Neutralization of Wastes Resources

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