California Characteristic Waste: What you need to know

Governing Law and Regulations

Characteristic waste: 22 California Code of Regulations (CCR) 66261.10 to 66261.24, 22 CCR 66260.11 (bioassay procedures), and 22 CCR 66260.200

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Corrosivity characteristic: 22 CCR 66261.22

Toxicity characteristic: 22 CCR 66261.24(a)(2) to 66261.24(c)

Classification of certain toxic wastes as nonhazardous: 22 CCR 66261.24(b) and 22 CCR 66261.24(c)

Regulatory Agency

California Environmental Protection Agency (Cal/EPA) Department of Toxic Substance Control Hazardous Waste Management Program

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. The California Environmental Protection Agency (Cal/EPA) follows the federal rules for determining whether a waste exhibits a hazardous waste characteristic. See the national section CHARACTERISTIC WASTE for more information.

However, to determine the characteristics of corrosivity and toxicity, Cal/EPA has added state criteria to that required under the federal rules. For the corrosive characteristic, there are two more definitions. To determine the characteristic toxicity, Cal/EPA has added lists of inorganic and organic persistent and bioaccumulative toxic substances and their soluble threshold limit concentration. In sum, California regulates more substances as hazardous waste than the federal rules. See the state sections HAZWASTE DETERMINATION (CLASSIFICATION) and LISTED WASTES for additional guidance.

Administration and enforcement. Cal/EPA's Department of Toxic Substance Control (DTSC) administers and enforces the rules for identifying characteristics of hazardous waste in California.

State Requirements


22 CCR 66261.22

In addition to following the federal rule at 40 CFR ...

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More on this topic:

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

State Requirements

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California Characteristic Waste Resources

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Characteristic Waste Products

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