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2. Hazardous waste in the United States - Wikipedia

   en.wikipedia.org/wiki/Hazardous_waste_in_the...

   P-List wastes are wastes that are considered "acutely hazardous" when discarded and are subject to more stringent regulation. Nitric oxide is an example of a P-list waste and carries the number P076. U-Listed wastes are considered "hazardous" when discarded and are regulated in a somewhat less stringent manner than P-Listed wastes.

3. EPA list of extremely hazardous substances - Wikipedia

   en.wikipedia.org/wiki/EPA_list_of_extremely...

   This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002). The list can be found as an appendix to 40 CFR 355. [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). [2]

4. Hazardous waste - Wikipedia

   en.wikipedia.org/wiki/Hazardous_waste

   "In terms of hazardous waste, a landfill is defined as a disposal facility or part of a facility where hazardous waste is placed or on land and which is not a pile, a land treatment facility, a surface impoundment, an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action ...

5. List of NA numbers - Wikipedia

   en.wikipedia.org/wiki/List_of_NA_numbers

   The NA numbers (North American Numbers are assigned by the United States Department of Transportation, supplementing the larger set of UN numbers, for identifying hazardous materials. NA numbers largely duplicate UN numbers, however a selection of additional numbers are provided for materials that are not covered by UN numbers as a hazardous ...

6. National Priorities List - Wikipedia

   en.wikipedia.org/wiki/National_Priorities_List

   The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), also known as "Superfund", requires that the criteria provided by the Hazard Ranking System (HRS) be used to make a list of national priorities of the known releases or threatened releases of hazardous substances, pollutants, or contaminants in the United States. [2]

7. EPA may list PFAS as hazardous substance - AOL

   www.aol.com/epa-may-list-pfas-hazardous...

   Feb. 3—SANTA FE — The U.S. Environmental Protection Agency on Thursday announced two proposed rules "to ensure that certain per- and polyfluoroalkyl substances (PFAS), also known as 'forever ...