Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

City of Idaho Falls

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.

 

30

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
2023ND150ND
2024ND150ND

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
2023-10-10MDJ0414-02ND
2023-10-10MDJ0414-01ND
2023-10-10MDJ0414-04ND
2023-10-10MDJ0414-03ND
2023-10-11MDJ0444-06ND
2023-10-11MDJ0444-01ND
2023-10-11MDJ0444-03ND
2023-10-11MDJ0444-05ND
2023-10-11MDJ0444-02ND
2023-10-11MDJ0444-04ND
2023-10-11MDJ0444-07ND
2023-10-17MDJ0606-01ND
2023-10-17MDJ0606-04ND
2023-10-17MDJ0606-03ND
2023-10-17MDJ0606-02ND
2024-04-09MED0355-09ND
2024-04-09MED0355-10ND
2024-04-09MED0355-08ND
2024-04-09MED0355-06ND
2024-04-09MED0355-04ND
2024-04-09MED0355-03ND
2024-04-09MED0355-01ND
2024-04-09MED0355-07ND
2024-04-09MED0355-05ND
2024-04-09MED0355-02ND
2024-04-16MED0539-04ND
2024-04-16MED0539-01ND
2024-04-16MED0539-03ND
2024-04-16MED0539-02ND
2024-04-16MED0539-05ND