EPA C8 Documents

Letter From Robert Billott to the Regional Administrator of the United States Environmental Protection Agency (EPA, January 20, 2015)

Response Letter from the United States Environmental Protection Agency (EPA, February 23, 2015)

This provisional health advisory recommends a C8 short term drinking water guideline of 0.4 ppb. Although the short-term advisory is important, it does not address the risk of long-term exposure to C8. Because of the fact that C8 levels increase in the blood over time, the safe level of C8 in drinking water will necessarily be much lower for individuals who have anything other than short-term exposure. Some experts say that a reasonable aspect is about 10 times lower, or about 0.04 ppb (the level recommended by the state of New Jersey).

Provisional Health Advisories for Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate (PFOS) (EPA, January 8, 2009)

This provisional health advisory recommends a C8 short term drinking water guideline of 0.4 ppb. Although the short-term advisory is important, it does not address the risk of long-term exposure to C8. Because of the fact that C8 levels increase in the blood over time, the safe level of C8 in drinking water will necessarily be much lower for individuals who have anything other than short-term exposure. Some experts say that a reasonable aspect is about 10 times lower, or about 0.04 ppb (the level recommended by the state of New Jersey).

EPA's C8 Advisory Does Not Address Long Term Health Risk (Charleston Gazette, 1/17/09)

Federal officials said Friday that a new C8 health advisory is not intended to address long-term exposure, drawing criticism that the action does nothing for Americans who have for years been drinking water contaminated with the toxic chemical.

EPA News Release regarding increased transparency on chemical risk information (January 21, 2010)

EPA’s new policy on TSCA Section 8(e) submissions is being published in the Federal Register.

Letter from Henry A. Spiller, M.S., D.ABT, KRPC(ATSDR, 8/31/09)

Comments on Toxicological Profile For Peffluoroalkyls.

Letter from David G. Gray, Ph.D., Tetra Tech Inc. (ATSDR, 10/27/09)

Comments on Draft Toxicological Profile For Perfluoroalkyls.

Letter from Gloria B. Post, Ph.D., NJDEP (ATSDR, 11/2/09)

Addendum to Comments on Drafl Toxicological Profile For Perfluoroalkyls.

Letter from Gloria B. Post, Ph.D., NJDEP (ATSDR, 10/30/09)

Comments on Draft Toxicological Profile For Perfluoroalkyls.

Letter from Perry Cohn, Ph.D., MPH, NJDHSS (ATSDR, 10/30/09)

Comments on Draft Perfluoroalkyls Toxicological Profile.

Letter from James Kelly, MDH (ATSDR, 10/30/09)

Comments on Drafl Toxicological Profile For Perfluoroalkyls.

Letter from Olga V. Naidenko, Ph.D., EWG (ATSDR, 10/30/09)

Comments on Toxicological Profile For Perfluoroalkyls.

Letter from Suzanne Fenton, Ph.D., NIEHS (ATSDR, 10/29/09)

Comments on ATSDR Draft Toxicological Profile on Perfluoroalkyls

Letter from Robert A. Bilott, TS&H (ATSDR, 11/3/09)

Supplemental Comment on Draft Toxicological Profile For Perfluoroalkyls

Fact Sheet on Perfluoroalkyl Acids (PFAAs) (Breast Cancer & The Environment Research Centers, 11/07)

EPA Health Advisory regarding PFOA (C8) in drinking water

On Thursday May 19, 2016, in response to more than 15 years of inquiry by attorney Rob Bilott, the EPA finally released the expected long-term guideline for PFOA in drinking water. The EPA'S new guideline is that the level of PFOA (C8) is not to exceed 0.07 ppb. Also, that number includes any PFOS level as well, so that the PFOA and PFOS level  COMBINED should not exceed 0.07 either.

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