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Perfluorooctane Sulfonate (PFOS)

CAS Number

1763-23-1

Synonym

1-Octanesulfonic acid, 1-Perfluorooctanesulfonic acid; Heptadecafluoro-1-octanesulfonic acid; Perfluoro-n-octanesulfonic acid; Perfluoroctanesulfonic acid; Perfluoroctylsulfonic acid

Occurrence/Use

Used in surface protection products such as carpet and clothing treatments and coating for paper and cardboard packaging. They have also been used in fire-fighting foams.

More information about Perfluorooctane Sulfonate (PFOS)

California Public Health Goals Data

Public Health Goal (mg/L): 
0.000001
Public Health Goal - Download: 
Notification Level (μg/L): 
0.0065 (Because OEHHA’s reference levels for cancer are below the limit of quantitation of current analytical methods, OEHHA recommended the Board set the notification levels at the lowest levels that can be reliably detected using available technologies)
Notification Level - Download: 
Update Date: 
04/05/2024