Reference Source

Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS

For Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS, regulator is US EPA (National Primary Drinking Water Regulations); limit is 1 (unitless) Hazard Index; unit is unitless; limit type is MCL (Maximum Contaminant Level), recorded from its source on 2026-08-06.

Contaminant
Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS verified
Regulator
US EPA (National Primary Drinking Water Regulations) our reading
Limit
1 (unitless) Hazard Index verified
Unit
unitless verified
Limit type
MCL (Maximum Contaminant Level) our reading
Sourceepa.gov
Verified2026-08-06
Review by2027-08-06
DatasetDrinking water contaminant limits by regulator

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS | 1 (unitless) Hazard Index | 1 (unitless) Hazard Index

epa.gov, retrieved 2026-08-06

Source

Last verified against source: 2026-08-06. Due for re-check by 2027-08-06. This page as Markdown · OKF bundle · full dataset as JSON.