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  2. List of additives used for fracking - Wikipedia

    en.wikipedia.org/wiki/List_of_additives_used_for...

    The differences between additives for fracking in different countries are the type of chemicals used (hazardous, non-hazardous), the disclosure of chemicals and the composition of fracturing fluid. In 2010, Halliburton announced the creation of food additive based hydraulic fracturing fluid in response to calls for transparency and demand for a ...

  3. Per- and polyfluoroalkyl substances - Wikipedia

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

    The type of PFAS remediation technology selected is often a reflection of the PFAS contamination levels and the PFAS signature (i.e. the combination of short- and long-chain PFAS substances present) in conjunction with the site-specific water chemistry and cross contaminants present in the liquid stream.

  4. Remediation of per- and polyfluoroalkyl substances - Wikipedia

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

    Remediation of per- and polyfluoroalkyl substances refers to the destruction or removal of per- and polyfluoroalkyl substances (PFASs) from the environment. PFASs are a group of synthetic organofluorine compounds, used in diverse products such as non-stick cookware and firefighting foams, that have attracted great concern as persistent organic pollutants.

  5. Toxic ‘forever chemicals’ found in pesticides used on food ...

    www.aol.com/toxic-forever-chemicals-found...

    The PFAS pesticides are also used in flea treatments for pets and insect-killing sprays in homes, according to the research conducted by scientists at EWG, the Center for Biological Diversity in ...

  6. PFAS chemicals banned in Broomfield fracking operations - AOL

    www.aol.com/news/pfas-chemicals-banned...

    Feb. 10—The Broomfield City Council unanimously accepted amendments to the Broomfield Municipal Code (BMC) regarding PFAS in oil and gas regulations. Perfluoroalkyl and polyfluoroalkyl ...

  7. Perfluorohexanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorohexanesulfonic_acid

    A new EU drinking water directive issued in 2020 adopted PFAS limit values. The limit values are 0.1 μg/L for the sum of 20 PFASs including PFHxS, and 0.5 μg/L for the sum of all PFASs. This directive is binding for all EU member nations. It is a minimum directive, and member states can elect to adopt stricter regulations. [19]

  8. Rural Wisconsinites see farm pollution, PFAS as big threats ...

    www.aol.com/rural-wisconsinites-see-farm...

    Farm pollution, PFAS among top concerns about rural water quality About 60% of respondents said that their water is very or extremely safe for what they use it for.

  9. Exemptions for fracking under United States federal law

    en.wikipedia.org/wiki/Exemptions_for_fracking...

    The oil and gas industry supports the idea that states should control the regulatory specificities of fracking. [51] Some contend that these exemptions are carefully analyzed. A 2004 EPA study concluded that fracking injection in coalbed methane wells "posed little or no threat to drinking water;" the study has since been contraverted.