Find out if there are PFAS in your drinking water by referring to existing reports or testing your household’s tap water.
Choosing which test to go with is a delicate balancing act between cost, exposure risk, convenience, and the scope of the test. Lydia Jahl, a science and policy manager at the environmental advocacy nonprofit Green Science Policy Institute, recommends you look for the number of PFAS species a kit can detect , and its detection threshold: the lower it is, the more sensitive.
Test kits come with their own instructions, but you’ll find there are general guidelines that apply to most cases: Avoid touching the inside of the collection bottle and its lid. If you must set the lid down, keep the inside facing up. If the sampling bottle contains a preservative, thoroughly mix in the water by carefully inverting the closed container a few times.
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