Submit a request
Learn the Issues
Science & Technology
Laws & Regulations
Wastes - Frequent Questions
Hazardous Waste Identification
Hazardous Waste Identification
New articles and comments
Are chemotherapy drugs listed as hazardous waste?
Are alcoholic beverages regulated as hazardous waste when they exhibit the characteristic of ignitability?
Are clothing and gloves used as personal protective equipment (PPE) during hazardous waste management activities regulated as hazardous waste?
Are residues from treatment of listed wastes that result in new treatability groups considered a new point of generation?
Are polychlorinated biphenyls (PCBs) regulated under RCRA as a hazardous waste?
Are listed hazardous wastes that meet applicable LDR treatment standards subject to Subpart CC regulations?
Are underlying hazardous constituents as defined in Section 268.2(i) considered "contaminants subject to treatment" for debris contaminated with characteristic hazardous waste?
Can debris which exhibits a characteristic of hazardous waste, and is then treated using an immobilization technology, be sent to a Subtitle D landfill?
At what point does an unused commercial chemical product become a solid waste?
Can a hazardous waste that meets a listing description for a certain waste code be managed as nonhazardous waste if the waste does not contain any of the hazardous constituents listed in 40 CFR Part 261, Appendix VII?
Do hazardous waste listings apply to wastes disposed of prior to their effective date? What circumstances would cause these previously disposed wastes to be subject to RCRA Subtitle C controls?
Do the regulations allow dilution of an ignitable or characteristic waste to remove the characteristic?
Does a waste derived from a hazardous waste listed solely for exhibiting a characteristic of ignitability, corrosivity, and/or reactivity remain a hazardous waste when it no longer exhibits a hazardous waste characteristic?
Do the spent solvent listings in §261.31 apply to solvent constituents used as ingredients in the formulation of a commercial chemical product (CCP)?
Does a decharacterized waste have to meet the land disposal restrictions?
Does the F006 listing apply to copper electroplating?
Does the U223 hazardous waste code apply to virgin toluene diisocyanate (TDI) that has been neutralized to remove the reactivity characteristic?
Does the waste code for a waste listed solely for the characteristic of ignitability, corrosivity, and/or reactivity apply if the waste does not exhibit any hazardous waste characteristics at the point of generation?
How did EPA determine that the proposed listing amendment change for F019 wastewater treatment sludges is fully protective of human health and the environment?
For the purposes of determining whether a waste meets the characteristic of ignitability, how does EPA define an ignitable compressed gas or an oxidizer?
How can waste generators demonstrate that their dyes and pigment wastes are not hazardous?
How are spent filters that have been used in reclaiming spent chlorofluorocarbon filters regulated?
How is a corrosive solid defined in the hazardous waste regulations?
How does the final rule compare to the 1999 HWIR proposal?
How is contaminated environmental media regulated under the contained-in policy?
How should paint be disposed? Is it a hazardous waste?
How may I get health effects information on a particular chemical or hazardous waste?
How is the dyes and pigments listing implemented?
If a hazardous waste is to be reclaimed, when is it no longer regulated?
How were the constituents of concern selected in the dyes and pigments listing?