Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Brooklyn Park

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND20ND
20220.0190 ppt221ND - 0.420 ppt
20230.166 ppt144ND - 0.900 ppt

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
2014-03-17K1402935-001ND
2014-09-02K1409504-001ND
2021-06-0921F0562-03ND
2021-06-0921F0562-01ND
2022-06-0122F0083-04ND
2022-06-0122F0083-01ND
2022-06-0122F0083-03ND
2022-06-0122F0083-05ND
2022-07-2522G1696-02ND
2022-07-2522G1696-01ND
2022-07-2522G1696-03ND
2022-08-1922H1892-03ND
2022-08-1922H1894-01ND
2022-08-1922H1892-01ND
2022-08-1922H1892-04ND
2022-11-0122K0065-01ND
2022-11-0122K0065-11ND
2022-11-0122K0065-10ND
2022-11-0122K0065-09ND
2022-11-0122K0065-08ND
2022-11-0122K0065-06ND
2022-11-0122K0065-020.420 ppt
2022-11-0122K0065-03ND
2022-11-0122K0065-04ND
2022-11-0122K0065-07ND
2022-11-0122K0065-05ND
2023-02-1623B1255-01ND
2023-02-1623B1255-03ND
2023-02-1623B1255-020.400 ppt
2023-05-0223E0190-01ND
2023-05-0223E0190-020.620 ppt
2023-05-0223E0190-03ND
2023-05-0223E0190-04ND
2023-05-0223E0190-05ND
2023-05-0223E0190-07ND
2023-08-0723H0589-01ND
2023-08-0723H0589-020.900 ppt
2023-08-0723H0589-030.410 ppt
2023-08-0723H0589-04ND
2023-10-1123J0529-01ND