Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Hillside Village

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.

 

10

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
2019ND40ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2019-03-26L7113404-1ND
2019-05-14L7113327-1ND
2019-08-13L7133490-1ND
2019-10-23L7163198-1ND
2020-02-18L7179916-1ND
2020-04-13L7195393-1ND
2020-07-27630-3864-1ND
2021-02-19630-13743-1ND
2022-03-22630-29562-1ND
2023-03-23630-58016-1ND