Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Parkwood Green

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.

 

55

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019N/A00N/A
2020N/A00N/A
2021ND230ND
2022ND180ND
2023ND110ND

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
2018-04-18GW1804181415CKAND
2018-04-18GW1804181430CKAND
2018-04-18GW1804181425CKAND
2021-01-192101815-03ND
2021-01-192101815-01ND
2021-01-192101815-02ND
2021-03-15ND
2021-03-15ND
2021-03-152103671-02ND
2021-03-152103671-01ND
2021-06-29ND
2021-06-292106F85-02ND
2021-06-292106F85-01ND
2021-06-29ND
2021-09-21ND
2021-09-21ND
2021-09-21ND
2021-09-212109A99-02ND
2021-09-212109A99-03ND
2021-09-212109A99-01ND
2021-12-20WL001 12-20-21 PFA2ND
2021-12-202112935-01ND
2021-12-20ND
2021-12-20ND
2021-12-20ND
2021-12-20WL003 2112935-02ND
2022-03-07ND
2022-03-07ND
2022-03-072203374-01ND
2022-03-072203374-02ND
2022-06-20ND
2022-06-20ND
2022-06-202206E74-02ND
2022-06-202206E74-01ND
2022-09-212209F49-03ND
2022-09-212209F49-02ND
2022-09-212209F49-01ND
2022-09-21ND
2022-09-21ND
2022-09-21ND
2022-11-292211F57-02ND
2022-11-29ND
2022-11-29ND
2022-11-292211F57-01ND
2023-02-282302C70-02ND
2023-02-28ND
2023-02-28ND
2023-02-282302C70-01ND
2023-06-27ND
2023-06-27ND
2023-09-18ND
2023-09-18ND
2023-10-31ND
2023-10-31ND
2023-10-31ND