Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Naval Base Kitsap At Bremerton

NOTE: Naval Base Kitsap At Bremerton purchases water from City of Bremerton which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by City of Bremerton.

Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND140ND
2023ND20ND
2024ND20ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

NOTE: Naval Base Kitsap At Bremerton purchases water from City of Bremerton which is required to test for perfluorononanoic acid (pfna). Sample information shown below was taken by City of Bremerton.

Date Lab ID Result
2022-01-314258904ND
2022-01-314258896ND
2022-01-314258900ND
2022-01-314258895ND
2022-01-314258901ND
2022-01-314258906ND
2022-01-314258902ND
2022-01-314258905ND
2022-02-014258899ND
2022-02-014258899ND
2022-02-014258899ND
2022-02-014258899ND
2022-04-264355131ND
2022-04-264423655ND
2024-07-08MEG0287-01ND
2024-07-08MEG0270-02ND
2024-07-08MEG0270-03ND
2024-07-08MEG0270-04ND
2024-07-08MEG0270-05ND
2024-07-08MEG0270-06ND
2024-07-10MEG0270-01ND