Perfluorobutane sulfonate (PFBS)
Plymouth
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 0.380 ppt | 2 | 1 | ND - 0.760 ppt |
| 2022 | 0.289 ppt | 13 | 7 | ND - 0.910 ppt |
| 2023 | 0.494 ppt | 36 | 24 | ND - 2.40 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 |
|---|---|---|
| 2021-06-04 | 21F0300-03 | ND |
| 2021-06-04 | 21F0300-01 | 0.760 ppt |
| 2022-06-03 | 22F0215-01 | ND |
| 2022-06-03 | 22F0215-03 | ND |
| 2022-06-03 | 22F0215-04 | ND |
| 2022-06-03 | 22F0215-05 | 0.910 ppt |
| 2022-09-08 | 22I0502-01 | 0.340 ppt |
| 2022-11-04 | 22K0352-06 | 0.450 ppt |
| 2022-11-04 | 22K0352-08 | ND |
| 2022-11-04 | 22K0352-07 | 0.500 ppt |
| 2022-11-04 | 22K0352-05 | 0.550 ppt |
| 2022-11-04 | 22K0352-04 | 0.660 ppt |
| 2022-11-04 | 22K0352-03 | ND |
| 2022-11-04 | 22K0352-02 | ND |
| 2022-11-04 | 22K0352-01 | 0.350 ppt |
| 2023-05-25 | 23E2766-11 | 0.400 ppt |
| 2023-05-25 | 32301773-3 | ND |
| 2023-05-25 | 32301773-1 | ND |
| 2023-05-25 | 23E2766-16 | 1.20 ppt |
| 2023-05-25 | 23E2766-15 | ND |
| 2023-05-25 | 23E2766-14 | 0.440 ppt |
| 2023-05-25 | 23E2766-13 | 0.350 ppt |
| 2023-05-25 | 23E2766-12 | 0.390 ppt |
| 2023-05-25 | 23E2766-10 | 2.40 ppt |
| 2023-05-25 | 23E2766-08 | ND |
| 2023-05-25 | 23E2766-07 | 0.480 ppt |
| 2023-05-25 | 23E2766-06 | ND |
| 2023-05-25 | 23E2766-05 | 0.420 ppt |
| 2023-05-25 | 23E2766-04 | 0.560 ppt |
| 2023-05-25 | 23E2766-03 | 0.480 ppt |
| 2023-05-25 | 23E2766-01 | 0.360 ppt |
| 2023-05-25 | 23E2766-02 | 1.10 ppt |
| 2023-05-25 | 23E2766-09 | 0.920 ppt |
| 2023-09-15 | 23I0866-08 | ND |
| 2023-09-15 | 23I0866-16 | 1.30 ppt |
| 2023-09-15 | 23I0866-15 | ND |
| 2023-09-15 | 23I0866-14 | 0.570 ppt |
| 2023-09-15 | 23I0866-13 | 0.440 ppt |
| 2023-09-15 | 23I0866-12 | ND |
| 2023-09-15 | 23I0866-11 | 0.510 ppt |
| 2023-09-15 | 23I0866-10 | 1.60 ppt |
| 2023-09-15 | 23I0866-09 | 0.970 ppt |
| 2023-09-15 | 23I0866-07 | 0.480 ppt |
| 2023-09-15 | 23I0866-06 | ND |
| 2023-09-15 | 23I0866-05 | 0.580 ppt |
| 2023-09-15 | 23I0866-04 | 0.400 ppt |
| 2023-09-15 | 23I0866-02 | 1.000 ppt |
| 2023-09-15 | 23I0866-01 | 0.430 ppt |
| 2023-09-25 | 23I1301-01 | ND |
| 2023-12-11 | 32304198-1 | ND |
| 2023-12-11 | 32304198-3 | ND |