Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Independence Municipal Utilities Authority Valley View

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
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
2019-01-29201901310295ND
2019-04-24201904260187ND
2019-07-17201907190394ND
2019-10-16201910180276ND
2020-01-22202001240423ND
2020-04-150040618-01ND
2020-07-150070799-01ND
2020-10-060100449-01ND
2021-01-131010582-01ND
2021-04-201040914-01ND
2021-07-211071064-01ND
2021-10-141100735-01ND
2022-01-122010563-01ND
2022-04-062040328-01ND
2022-07-202071024-01ND
2022-10-192100823-01ND
2023-01-1823A0830-01ND
2023-04-1323D0573-01ND
2023-07-1923G0961-01ND
2023-10-1723J0992-01ND