Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Old Westbury

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.

 

70

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND60ND
2020ND240ND
2021ND80ND
2022ND140ND
2023ND180ND

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
2019-11-1570112018001ND
2019-11-1570112018003ND
2019-11-1870112196003ND
2019-11-1870112196001ND
2019-12-0470114012005ND
2019-12-0470114012002ND
2020-02-0670120952001ND
2020-02-0670120952004ND
2020-02-0670120952003ND
2020-02-0670120952002ND
2020-02-1170121351002ND
2020-02-1170121351001ND
2020-02-1870122151002ND
2020-02-1870122151001ND
2020-02-2470122752002ND
2020-02-2470122752003ND
2020-02-2570122904001ND
2020-02-2570122904002ND
2020-04-1470128026001ND
2020-04-1670128227001ND
2020-04-2770129218001ND
2020-04-2970129420001ND
2020-05-0470129805003ND
2020-05-0470129805001ND
2020-08-2570143187002ND
2020-08-2570143187001ND
2020-09-0970145143001ND
2020-09-1070145281001ND
2020-09-1470145712001ND
2020-09-2170146589001ND
2021-05-0570171626002ND
2021-05-2670174518001ND
2021-08-1170183644002ND
2021-08-1870184479001ND
2021-08-2570185223002ND
2021-11-1070194292001ND
2021-11-1670194898001ND
2021-12-2270198898001ND
2022-02-0970203487001ND
2022-02-1570204181001ND
2022-03-0970206884001ND
2022-04-2770212478001-PFASND
2022-05-0470213403001-PFASND
2022-05-2570215952002ND
2022-07-1970222654001-PFASND
2022-07-2170222874001-PFASND
2022-07-2770223541001-PFASND
2022-08-1770226250001-PFASND
2022-08-2470227004001-PFASND
2022-11-1470236636001-PFASND
2022-11-1670237103001-PFASND
2022-12-2170240933001-PFASND
2023-02-0870245579001-PFASND
2023-02-1570246419001ND
2023-02-2270247119001ND
2023-04-1970253384002ND
2023-05-0370254928002ND
2023-05-1070255820001ND
2023-08-1623H2743-04ND
2023-08-1623H2743-03ND
2023-08-1623H2743-01ND
2023-08-1623H2743-05ND
2023-08-1623H2743-02ND
2023-08-1723H3092-01ND
2023-11-0123K0847-01ND
2023-11-0123K0847-02ND
2023-11-0823K1628-01ND
2023-11-0823K1628-02ND
2023-11-2923L0059-02ND
2023-11-2923L0059-01ND