Frequent Questions

How are Appendix VIII and Land Disposal Restriction (LDR) Treatment Standards for hazardous wastes being amended in the dyes and pigments final rule?

This final rule adds the toxic constituents o-anisidine, p-cresidine, 1,2-phenylenediamine, 1,3-phenylenediamine, and 2,4-dimethylaniline associated with the identified wastes to the list of constituents that serves as the basis for classifying wastes as hazardous (40 CFR 261, Appendix VIII ). In addition, this final rule includes either numerical or technology treatment standards for the constituents of concern in the wastes.

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