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The blood tests checks for per- and polyfluoroalkyl substances — PFAS, a family of over 10,000 long-lasting human-made chemicals used in commercial and industrial products.
Some 413 residents agreed to provide blood samples, most from households whose wells tested for PFAS at greater than 70 parts per trillion; the rest whose wells had some PFAS but less than 70 parts.
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.
Ludtke’s blood test showed a PFAS concentration of 15 nanograms per milliliter. Her children’s results ranged from 6 to 11 nanograms per milliliter. “I was startled when one of my kids ...
Pearson and her team hired a chemist to test soil and water samples on the properties where 3M had dumped the chemicals. [52] Blood samples from the local population in the affected area were also tested for PFAS. Pearson said that the laboratory tests revealed that there was a "hotspot of contamination in the blood of the community." [52]
The Devil We Know is a 2018 investigative documentary film by director Stephanie Soechtig regarding allegations of health hazards from perfluorooctanoic acid (PFOA, also known as C8), a key ingredient used in manufacturing Teflon, and DuPont's potential responsibility.
That means it can build up in the body, with Peaslee noting that perfluorohexanoic acid “bioaccumulates” in the blood. “One recent Swedish study reports it to be the third most abundant PFAS ...
The U.S. Department of Defense's research programs have been trying to define nature and extent of PFAS contamination at U.S. military sites, especially in groundwater. [7] A 2018 report to Congress indicated that "at least 126 drinking water systems on or near military bases" were contaminated with PFAS compounds. [8] [9]