Know Your Environment. Protect Your Health.

Perfluorobutanoic Acid (PFBA)

Town of Hampstead

Perfluorobutanoic acid (PFBA) 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
20230.736 ppt223ND - 5.60 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,000 ppt

The EWG Health Guideline of 1,000 ppt for perfluorobutanoic acid was defined by EPA's recommended application of the toxicity value for PFHxA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Lab ID Result
2023-02-07101013PND
2023-02-07101023PND
2023-02-07101014P5.60 ppt
2023-02-07101022PND
2023-02-07101016PND
2023-02-07101021PND
2023-02-07101018PND
2023-02-07101012PND
2023-02-07101019PND
2023-02-07101020PND
2023-08-16106683PND
2023-08-16106688PND
2023-08-16106687PND
2023-08-16106686PND
2023-08-16106685P5.30 ppt
2023-08-16106684PND
2023-08-16106681PND
2023-08-16106680PND
2023-08-16106679P5.30 ppt
2023-08-16106678PND
2023-08-16106677PND
2023-12-19111489RND