Know Your Environment. Protect Your Health.

Perfluorobutane sulfonate (PFBS)

Clare, City of

Perfluorobutane sulfonate (PFBS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

30

Samples

0

Samples exceeding legal limit (MCL)

24

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.00 ppt113.00 ppt
20194.50 ppt443.00 ppt - 6.00 ppt
20204.00 ppt444.00 ppt
20212.43 ppt86ND - 4.60 ppt
20221.93 ppt84ND - 4.20 ppt
20233.42 ppt552.40 ppt - 3.90 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2,000 ppt

The EWG Health Guideline of 2,000 ppt for perfluorobutane sulfonate was defined by EPA’s Human Health toxicity value. This health guideline hormone disruption and harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Lab ID Result
2018-11-12GWEF1811120900GGA3.00 ppt
2019-04-05GWEF1904051100GGA3.00 ppt
2019-06-28GWEF1906281405ST6.00 ppt
2019-09-26GWEF1909261425MK5.00 ppt
2019-12-18GWEF1912181230KME4.00 ppt
2020-03-30GWEF2003301055SK4.00 ppt
2020-07-06GWEF2007061105MK4.00 ppt
2020-10-08LJ28033 PFAS4.00 ppt
2020-10-08GWEF2010081330GGA4.00 ppt
2021-03-0321C0145-01 PFAS2.60 ppt
2021-03-032.60 ppt
2021-04-072104443-01 PFAS4.60 ppt
2021-04-074.60 ppt
2021-07-072.50 ppt
2021-07-0721G0309-01 PFAS2.50 ppt
2021-10-06ND
2021-10-062110507-01 PFASND
2022-01-1222A0380-305 PFASND
2022-01-12ND
2022-04-13ND
2022-04-132204A21-01 PFASND
2022-07-133.50 ppt
2022-07-1322G0784 PFAS3.50 ppt
2022-10-054.20 ppt
2022-10-0522J0245 PFAS4.20 ppt
2023-01-0423A0211-01 PFAS3.60 ppt
2023-01-043.60 ppt
2023-04-053.60 ppt
2023-07-052.40 ppt
2023-10-043.90 ppt