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Amendments to the Corrective Action Management Unit Rule

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EPA promulgated amendments to the regulations governing Corrective Action Management Units. Corrective Action Management Units, or "CAMUs,"' are special units created under the Resource Conservation and Recovery Act (RCRA) to facilitate treatment, storage, and disposal of hazardous wastes managed for implementing cleanup, and to remove the disincentives to cleanup that the application of RCRA to these wastes can sometimes impose. The original CAMU regulations were promulgated on February 16, 1993.

EPA amended the 1993 CAMU rule in six ways.

The rulemaking amended the regulations for "staging piles" to expressly allow for mixing, blending, and other similar physical operations intended to prepare wastes for subsequent management or treatment. It also added a new provision allowing off-site placement of hazardous CAMU-eligible waste in hazardous waste landfills, if they are treated to meet CAMU treatment standards (somewhat modified). Finally, the rule granted interim authorization for these CAMU amendments to states that are authorized for the 1993 CAMU rule, and it expedited state authorization for the CAMU rule for states that are authorized for the RCRA corrective action program but not the 1993 CAMU rule.

The amendments were proposed on August 22, 2000 (PDF) (56 pp, 485 K), referred to throughout this rulemaking as "the proposal." EPA also proposed a supplemental proposal on November 20, 2001 (PDF) (13 pp, 219 K), referred to as "the supplemental proposal."'

Federal Register (PDF) (68 pp, 465 K) - January 22, 2002

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Amendments to the Corrective Action Management Unit Regulations: Proposed Rule

The Agency proposed amendments to the regulations governing Corrective Action Management Units (CAMUs) concerning: the types of wastes that may be managed in a Corrective Action Management Unit (CAMU), the design standards that apply to CAMUs, the treatment requirements for wastes placed in CAMUs, information submission requirements for CAMU applications, responses to releases from CAMUs, and public participation requirements for CAMU decisions. In addition, the proposed amendments would "grandfather" certain categories of CAMUs and create new requirements for CAMUs used only for treatment or storage (i.e., those in which wastes will not remain after closure). This proposed rule also requested comment on a potential change to the staging pile regulations. Finally, this rule proposed an approach to state authorization that would grant "interim authorization" for the proposed amendments to most states currently authorized for the CAMU rule and would expedite the authorization process for states authorized for corrective action but not the CAMU rule. The proposed amendments were intended to make clearer the Agency's general minimum expectations for CAMUs and to make the CAMU process more consistent and predictable, as well as more explicit for the public.

Federal Register Notice (PDF) (56 pp, 485 K) - August 22, 2000

Fact Sheet (PDF) (2 pp, 7 K, About PDF) || Fact Sheet (Text)(3 pp, 5 K)

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