Water
PFAS EPA Method 537.1
The 18 PFAS compounds of EPA Method 537.1: PFOA, PFOS and the other long-chain acids, plus PFTrDA, PFTeDA, NMeFOSAA and NEtFOSAA, which Method 533 does not measure. Fourteen of its compounds are also on the 533 list.
What it finds
Eighteen per- and polyfluoroalkyl substances, each on its own line, including PFOA, PFOS, PFNA, PFHxS and HFPO-DA (GenX).
- Perfluorobutanesulfonic acid (PFBS)
- Perfluorohexanoic acid (PFHxA)
- Perfluoroheptanoic acid (PFHpA)
- Perfluorohexanesulfonic acid (PFHxS)
- Perfluorooctanoic acid (PFOA)
- Perfluorooctanesulfonic acid (PFOS)
- Perfluorononanoic acid (PFNA)
- Perfluorodecanoic acid (PFDA)
- Perfluoroundecanoic acid (PFUnA)
- Perfluorododecanoic acid (PFDoA)
+ 8 more
- Perfluorotridecanoic acid (PFTrDA)
- Perfluorotetradecanoic acid (PFTeDA)
- N-Methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)
- N-Ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)
- HFPO-DA (GenX)
- 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)
- 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)
- 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)
In the box
- PFAS-free sample bottles, pre-labeled
- Field blank bottle
- Nitrile gloves
- Cold pack and insulated return mailer
- Prepaid return label
- Collection instructions
When to order
The same worries as Method 533 at a lower price, or when you want the four compounds that only this method reports.