Search results
Results from the WOW.Com Content Network
It is commonly referred to as the main harmful PFAS chemical and PFOA is responsible for many of the negative health effects commonly associated with PFAS. Per- and polyfluoroalkyl substances are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. Different organizations use ...
For example, in a study sponsored by the Swedish EPA, Swedish ski wax technicians, who have high PFAS exposure, did not have significantly higher levels of PFHxA in their blood samples when compared to the general population median for their age groups, even while having concentrations of other PFAS, like PFOA, up to 44 times higher than the ...
Wheeler refuses to "designate PFAS chemicals as "hazardous substances" under the Superfund law." [ 33 ] 1 October 2019 A lawsuit was filed in the Merrimack County Superior Court by 3M, Plymouth Water & Sewer District, and two others against the state Department of Environmental Services to prevent the new permitted levels for PFOA, PFOS, PFNA ...
There are chemicals in cookware, food, water, clothes and furniture that could cause problems for people’s health. These PFAS, or perfluoroalkyl and polyfluoroalkyl substances — sometimes ...
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]
Documents obtained during the civil suits showed chemical giants DuPont and 3M knew of PFAS-related harms to health but hid that information from regulators and the public for decades. Nearly 50 ...
The tests focused on 30 PFAS chemicals and four heavy metals: arsenic, cadmium, lead and mercury. CR found two of the 35 noncarbonated waters tested exceeded the 1 part per trillion PFAS threshold ...
Perfluorobutanesulfonic acid (PFBS) is a PFAS chemical compound having a four-carbon fluorocarbon chain and a sulfonic acid functional group. It is stable and unreactive because of the strength of carbon–fluorine bonds. It can occur in the form of a colorless liquid or a corrosive solid. [1]