Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Rolling Hills Care Center

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20190.228 ppt41ND - 0.910 ppt
2020ND40ND
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
2019-03-28L7114438-10.910 ppt
2019-05-23L7110199-1ND
2019-07-23L7132866-1ND
2019-11-18L7174168-1ND
2020-01-30L7186160-1ND
2020-04-10L7195470-1ND
2020-07-24630-3725-1ND
2020-11-09630-9844-1ND
2021-01-20630-12616-1ND
2021-05-11630-17156-1ND
2021-08-11630-20591-1ND
2021-10-26630-23592-1ND
2022-01-27630-26683-1ND
2022-06-17630-36767-1ND
2022-09-28630-46369-1ND
2022-10-26630-48397-1ND
2023-02-08630-55160-1ND
2023-06-13630-63578-1ND
2023-09-25630-72639-1ND
2023-12-06630-76952-1ND