Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Lexington, Village 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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND130ND
2020ND20ND
2021ND90ND
2022ND40ND
2023ND20ND

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
2018-10-17GWNT1810171545GGAND
2018-10-17SWEF1810171530GGAND
2018-10-17SWEF1810171530GGAND
2018-10-17SWIN1810171500GGAND
2019-05-03SWIN1905031200GGAND
2019-05-03SWEF1905031205GGAND
2019-05-03SWEF1905031205GGAND
2019-05-30SWEF1905301255GSCND
2019-05-30SWIN1905301250GSCND
2019-06-26SWEF1906261245GSCND
2019-06-26SWIN1906261240GSCND
2019-08-01SWEF1908011615MKND
2019-08-01SWIN1908011610MKND
2019-08-28SWEF1908291005GSCND
2019-08-28SWIN1908291000GSCND
2019-09-26SWIN1909260900GSCND
2019-09-26SWEF1909260905GSCND
2020-12-11LJ37295 PFASND
2020-12-11LJ37296 PFASND
2021-01-26SWIN2101261500RGND
2021-03-10SWMP2103101210SKND
2021-03-18LJ48236 PFASND
2021-03-18ND
2021-03-18ND
2021-03-18LJ48237 PFASND
2021-05-13SWIN2105131115GSCND
2021-07-15SWIN2107151200GGAND
2021-09-16SWIN2109161130GGAND
2022-06-17LK17487ND
2022-06-17LK17486ND
2022-06-17ND
2022-06-17ND
2023-06-27ND
2023-06-27ND