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Perfluorooctanoic acid (PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, for its 8-carbon chain structure) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a material feedstock.
2016 The EPA "published a voluntary health advisory for PFOA and PFOS" which warned that "exposure to the chemicals at levels above 70 parts per trillion, total, could be dangerous." [71] 2016 The city of Lake Elmo, Minnesota, sued 3M a second time for polluting their drinking water with PFAS chemicals.
PFOA was reduced from 70 ppt to 0.004 ppt, while PFOS was reduced from 70 ppt to 0.02 ppt. A safe level for the compound GenX was set at 10 ppt, while that for PFBS was set at 2000 ppt. While not enforceable, these health advisories are intended to be acted on by states in setting their own drinking water standards.
The common cold is caused by a viral infection, not Cialis. However, since this medication affects the soft tissue inside the nose and throat, some users experience suspiciously similar symptoms ...
The state added PFOA to its Proposition 65 list of chemicals that are known to cause reproductive toxicity in 2017 and to the list known to cause cancer in 2022. But it's one of only around a ...
Mintel research finds that 40% of US consumers enjoy breaking the rules when it comes to what they eat or drink, such as eating breakfast foods at night,” Zegler says.
Vitamin C does not prevent or treat the common cold, although it may have a protective effect during intense cold-weather exercise. If taken daily, it may slightly reduce the duration and severity of colds, but it has no effect if taken after the cold starts. [313] The bumps on a toad are not warts and cannot cause warts on humans.
An alarming study that had Americans tossing out their black plastic kitchen utensils, toys and to-go packages earlier this month overstated the concern, the researchers admit.