What Are the EPA's Testing Methods for PFAS? The EPA has developed, validated, and published four methods to support the analysis of 29 PFAS in drinking water: Method 533, 537, 537.1, and 8327. They have been through a rigorous multi-lab validation process and peer reviewed. ...
[195]. Public water utilities should follow these guidelines in the selection and testing of the BAT or BATs to ensure consistent compliance to the arsenic standard at the lowest cost to the consumer. There is sometimes tension between the choice of arsenic levels and cost of treatment [194]....
[195]. Public water utilities should follow these guidelines in the selection and testing of the BAT or BATs to ensure consistent compliance to the arsenic standard at the lowest cost to the consumer. There is sometimes tension between the choice of arsenic levels and cost of treatment [194]....