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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 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.
PFAS has been found in almost all human blood samples tested, one study found 97% of Americans has PFAS in their blood. [27] PFAS chemicals have been linked to high cholesterol, [28] altered kidney and thyroid function, [29] ulcerative colitis, [30] immunosuppression, [31] decreased effectiveness of vaccines, [32] low birth weight, [33 ...
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.
Within the same country, boys had a higher PFOS concentrations than girls. A typical PFOS blood concentration range in this study was 1,500–2,500 ppb. [29] Much higher levels of blood PFOS (12,830 ppb) have been reported in people with occupational exposure [30] —or possibly 1,656 parts per billion [31] —in a consumer. Occupationally ...
Researchers detected PFAS chemicals in dogs and horses in neighborhood where well water is contaminated. Animals could point to human contamination risk elsewhere, researchers say.