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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.
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.
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]
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]
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 ...
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.
An N.C. State study shows a decrease in the amount of PFAS exposure in the blood of residents in New Hanover and Brunswick counties.
GenX is a Chemours trademark name for a synthetic, short-chain organofluorine chemical compound, the ammonium salt of hexafluoropropylene oxide dimer acid (HFPO-DA). It can also be used more informally to refer to the group of related fluorochemicals that are used to produce GenX.
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