The agency is proposing that the maximum allowable levels should be in the
public drinking-water systems in the nation
Two compounds in a class of chemicals known as perfluoroalkyl and polyfluoroalkyl substances have been found to be harmful.
, are a group of man-made chemicals
PFAS, or perfluoroalkyl and polyfluoroalkyl substances, are a group of man-made chemicals that are used in a variety of industries and consumer products.
, which were used for decades in carpeting, clothing, food packaging, firefighting foam and other products, have been found to be a major source of water pollution.Products like carpeting, clothing, food packaging, and firefighting foam that contain PFAS, have been used for decades and are now a major source of water pollution.
Consumer and industrial products
The EPA also said it would regulate four other PFAS chemicals by requiring treatment if the combined level reaches 70 parts per trillion in drinking water.
a particular concentration
The moon was high in the sky.The moon was up high in the sky.