Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Mountainside Resort

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.

 

16

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
2019ND10ND
2020ND30ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2019-08-061908-19194-001ND
2020-06-012006-12319-001ND
2020-09-142009-25720-001ND
2020-12-152012-36402-001ND
2021-03-162103-06845-001ND
2021-06-142106-16426-001ND
2021-09-142109-27277-001ND
2021-12-072112-36084-001ND
2022-03-152203-06488-001ND
2022-06-062206-14516-001ND
2022-09-132209-26122-001ND
2022-12-052212-34702-001ND
2023-03-032303-05735-001ND
2023-06-122306-16079-001ND
2023-08-292308-26714-001ND
2023-11-162311-36497-001ND