PFAS Score i. For purposes of calculating each Impacted Water Source’s PFAS Score, the Claims Administer will examine the Qualifying Class Member’s Public Water System Settlement Claims Form to determine the highest concentration, expressed in parts per trillion (“ppt,” or nanograms per liter), that the Impacted Water Source has shown, according to one or more Qualifying Test Results, for PFOA, for PFOS, and for any other single PFAS analyte listed on the Claims Form.