Montana Neutralization of Wastes regulations & environmental compliance analysis

Montana Neutralization of Wastes: What you need to know

Governing Law and Regulations

Elementary neutralization unit: Administrative Rules of Montana (ARM) 17.53.105 and ARM 17.53.201

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Facility permit exemption: ARM 17.53.105

Regulatory Agency

Montana Department of Environmental Quality (DEQ) Permitting and Compliance Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. The federal rules and exemptions for neutralizing hazardous waste are effective in Montana. As in federal regulations, Montana allows for the chemical alteration of corrosive wastes known as elementary neutralization of wastes. This fairly common process is mentioned in the federal regulations at 40 CFR 260.10 and is incorporated by state regulation. For further guidance, see the national section NEUTRALIZATION OF WASTES.

The neutralization procedure involves adjusting the pH level of the corrosive waste so that it has a neutral value of 7. The waste may still be hazardous, however, if it has other characteristic properties, such as ignitability or toxicity. See the state sections CHARACTERISTIC WASTE and HAZARDOUS WASTE TREATMENT for more information.

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. The DEQ enforces the federal hazardous waste neutralization rules in Montana.

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Montana Neutralization of Wastes Resources

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