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  2. 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]

  3. Contaminants of emerging concern - Wikipedia

    en.wikipedia.org/wiki/Contaminants_of_emerging...

    A Suspect List Exchange [38] (SLE) has been created to allow sharing of the many potential contaminants of emerging concern. The list contains more than 100,000 chemicals. Table 1 is a summary of emerging contaminants currently listed on one EPA website and a review article. Detailed use and health risk of commonly identified CECs are listed in ...

  4. 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]

  5. EPA may list PFAS as hazardous substance - AOL

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

    EPA may list PFAS as hazardous substance. Tribune. Eastern New Mexico News, Clovis, N.M. February 3, 2024 at 11:59 PM.

  6. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.

  7. Agency for Toxic Substances and Disease Registry - Wikipedia

    en.wikipedia.org/wiki/Agency_for_Toxic...

    ATSDR is an agency within the US Department of Health and Human Services concerned with the effects of hazardous substances on human health. ATSDR is charged with assessing the presence and nature of health hazards at specific Superfund sites, as well as helping prevent or reduce further exposure and the illnesses that can result from such exposures. [7]

  8. EPA designates 2 forever chemicals as hazardous ... - AOL

    www.aol.com/news/epa-designates-2-forever...

    The Environmental Protection Agency on Friday designated two forever chemicals that have been used in cookware, carpets and firefighting foams as hazardous substances, an action intended to ensure ...

  9. Toxicity category rating - Wikipedia

    en.wikipedia.org/wiki/Toxicity_category_rating

    In 40 CFR 156.62, the EPA established four Toxicity Categories for acute hazards of pesticide products, with "Category I" being the highest toxicity category (toxicity class). Most human hazard, precautionary statements, and human personal protective equipment statements are based upon the Toxicity Category of the pesticide product as sold or ...