Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

North Saint Paul

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
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND60ND
2022ND20ND
2023ND130ND

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

Date Lab ID Result
2021-08-2321H1912-03ND
2021-08-2321H1912-04ND
2021-08-2321H1912-05ND
2021-08-2321H1912-06ND
2021-08-2321H1912-07ND
2021-08-2321H1912-01ND
2022-10-3122J1387-01ND
2022-10-3122J1387-02ND
2023-01-2432300287-1ND
2023-01-2432300283-1ND
2023-01-2432300284-1ND
2023-01-2432300286-2ND
2023-01-3032300355-2ND
2023-04-2423D1326-02ND
2023-04-2423D1326-01ND
2023-07-1932302446-9ND
2023-07-1932302446-7ND
2023-07-1932302446-5ND
2023-07-1932302446-3ND
2023-07-1932302446-1ND
2023-12-0723L0261-01ND