Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Whispering Pines

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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND50ND
2021ND100ND
2022ND80ND
2023ND50ND

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
2018-05-30GW1805301435EDKND
2019-03-28GWNT1903281200KERND
2019-06-21GWNT1906211400MKND
2019-09-18GWNT1909180900GGAND
2019-12-19GWNT1912190910KMEND
2020-03-25GWNT2003251210SKND
2020-06-29GWNT2006291600MKND
2020-10-05LJ27660ND
2020-10-05GWNT2010051130MKND
2020-10-05ND
2021-01-272101B51-01ND
2021-01-27ND
2021-03-162103738-01ND
2021-03-16ND
2021-06-29ND
2021-06-292106F84ND
2021-09-21ND
2021-09-212109A98-01ND
2021-12-20ND
2021-12-202112934-01ND
2022-03-212203C07-01ND
2022-03-21ND
2022-06-28ND
2022-06-282206K09-01ND
2022-09-21ND
2022-09-212209F43-01ND
2022-11-29ND
2022-11-292211F58-01ND
2023-02-282302C71-01ND
2023-02-28ND
2023-06-27ND
2023-09-18ND
2023-10-31ND