Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Clark Public Utilities

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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND410ND

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
2023-03-284543577ND
2023-03-284543579ND
2023-03-284543578ND
2023-03-284471982ND
2023-03-284472054ND
2023-03-284472064ND
2023-03-284472071ND
2023-03-284472049ND
2023-03-284472060ND
2023-03-284472068ND
2023-05-234464425ND
2023-05-234464438ND
2023-05-234464424ND
2023-05-234464423ND
2023-05-234464432ND
2023-05-234464527ND
2023-05-234464426ND
2023-05-234464435ND
2023-05-234464528ND
2023-06-014472038ND
2023-06-014472008ND
2023-06-014472027ND
2023-06-014472036ND
2023-06-014472022ND
2023-06-014472032ND
2023-06-014472012ND
2023-06-014472017ND
2023-06-014472011ND
2023-06-014472045ND
2023-06-294483305ND
2023-09-12VGI0195-19ND
2023-09-12VGI0195-17ND
2023-09-12VGI0195-15ND
2023-09-12VGI0195-13ND
2023-09-12VGI0195-11ND
2023-09-12VGI0195-09ND
2023-09-12VGI0195-07ND
2023-09-12VGI0195-05ND
2023-09-12VGI0195-03ND
2023-09-12VGI0195-01ND
2023-09-194531335ND