PFA Tests 10/2019 through 10/2021 through Envirotech Laboratories
True Health performed a three year test at a Hanover install site for PFAs. An independent lab company was hired to perform full chain of custody testing for PFAs at the water meter before the system and after each type of carbon being tested to determine which performed the best. With up to 31 ppt of PFAs at the meter we saw 90% removal with one type of carbon but 100% removal with the other. We changed over to the higher performance carbon in 2020 - well before PFAs were regulated by the state.
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