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  2. Phase I environmental site assessment - Wikipedia

    en.wikipedia.org/wiki/Phase_I_environmental_site...

    Freddie Mac/Fannie Mae Phase I Environmental Site Assessments are two specialized types of Phase I ESAs that are required when a loan is financed through Freddie Mac or Fannie Mae. The scopes of work are based on the ASTM E1527-05 Standard but have specific requirements including the following: the percent and scope of the property inspection ...

  3. Timeline of events related to per- and polyfluoroalkyl ...

    en.wikipedia.org/wiki/Timeline_of_events_related...

    Early 2018 Department of Health & Human Services's Agency for Toxic Substances and Disease Registry (ATSDR) was about to publish its assessment of PFAS chemicals, with a focus on two specific chemicals from the PFAS class—PFOA and PFOS—that have "contaminated water supplies near military bases, chemical plants and other sites from New York ...

  4. Per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

    Due to the evolving nature of PFAS regulations as new science becomes available, the RRD is evaluating the need for regular PFAS sampling at Superfund sites and is including an evaluation of PFAS sampling needs as part of a Baseline Environmental Assessment review. Earlier in 2018, the RRD purchased lab equipment that will allow the MDEQ ...

  5. Remediation of per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Remediation_of_per-_and...

    All of these methods promote the formation of hydroxyl radicals or other oxidizing agents that can oxidize PFAS and break its C−C bonds. [3] [4] However, the remediation of PFAS depends on the environmental medium where the these compounds reside. For example, the treatment of contaminated soil, biosolids and water is not the same, and risk ...

  6. Perfluorooctanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorooctanesulfonic_acid

    Perfluorooctanesulfonic acid (PFOS) (conjugate base perfluorooctanesulfonate) is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic acid functional group, and thus it is a perfluorosulfonic acid and a perfluoroalkyl substance (PFAS).

  7. Stockholm Convention on Persistent Organic Pollutants

    en.wikipedia.org/wiki/Stockholm_Convention_on...

    The Routledge Handbook of Global Environmental Politics. New York: Routledge. Selin, Henrik; Eckley, Noelle (2003). "Science, Politics, and Persistent Organic Pollutants: The Role of Scientific Assessments in International Environmental Co-operation". International Environmental Agreements: Politics, Law and Economics. 3 (1): 17– 42.

  8. Integrated risk information system - Wikipedia

    en.wikipedia.org/wiki/Integrated_risk...

    The Integrated Risk Information System (IRIS) is an environmental assessment program operated by the U.S. Environmental Protection Agency (EPA). The IRIS program is focused on risk assessment , and not risk management (those decision processes involving analysis of regulatory, legal, social and economic considerations related to the risks being ...

  9. Phase 1 - Wikipedia

    en.wikipedia.org/wiki/Phase_1

    Phase I environmental site assessment, a report prepared for a real estate holding which identifies potential or existing environmental contamination liabilities; Phase 1 (bar), a lesbian bar and nightclub at 525 8th Street, Southeast in Washington, D.C; Phase One (company), a Danish camera equipment company; Phase 1 metro station; Phase One ...