Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Clare, City of

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND40ND
2021ND80ND
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
2018-11-12GWEF1811120900GGAND
2019-04-05GWEF1904051100GGAND
2019-06-28GWEF1906281405STND
2019-09-26GWEF1909261425MKND
2019-12-18GWEF1912181230KMEND
2020-03-30GWEF2003301055SKND
2020-07-06GWEF2007061105MKND
2020-10-08LJ28033 PFASND
2020-10-08GWEF2010081330GGAND
2021-03-0321C0145-01 PFASND
2021-03-03ND
2021-04-072104443-01 PFASND
2021-04-07ND
2021-07-07ND
2021-07-0721G0309-01 PFASND
2021-10-06ND
2021-10-062110507-01 PFASND
2022-01-1222A0380-305 PFASND
2022-01-12ND
2022-04-13ND
2022-04-132204A21-01 PFASND
2022-07-13ND
2022-07-1322G0784 PFASND
2022-10-05ND
2022-10-0522J0245 PFASND
2023-01-0423A0211-01 PFASND
2023-01-04ND
2023-04-05ND
2023-07-05ND
2023-10-04ND