The U.S. Environmental Protection Agency has proposed, and is seeking public comment on, clarification of non-hazardous secondary materials that are, or are not, solid wastes when burned in combustion units.Under the proposal: -non-hazardous secondary materials considered solid wastes under the Resource Conservation and Recovery Act (RCRA) would be subject to the section 129 CAA requirements, and-non-hazardous secondary materials not considered solid wastes under RCRA would be subject to the section 112 CAA requirements. This proposal is being made under RCRA, in conjunction with three CleanAir Act proposals.
The proposal discusses the classification for a variety of materials, including: scrap tires (both whole and shredded); used oil (both on-spec and off-spec); coal refuse; pulp and paper sludge; resinated wood residuals; sewage sludge; cement kiln dust (CKD); coal combustion residuals (CCRs); and foundry sand.
For more information on all four proposals
For information specifically related to the RCRA proposal
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