date:May 12, 2012
among the class members as a whole, including the Washington Works employees, or any individual.
2015 phase out
PFOA is used to make fluoropolymers and DuPont has committed to phase its manufacture, purchase and use by 2015.
The US Environmental Protection Agency (EPA) set a provisional health advisory limit of 0.4 parts per billion (ppb) of PFOA in drinking water.
It added the chemical had been investigated because it was found at very low levels in the environment and in the blood of t