Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Alpine Estates

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
20221.23 ppt331.000 ppt - 1.50 ppt
20230.767 ppt32ND - 1.20 ppt

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
2022-06-2922G0194-01-PFAS1.20 ppt
2022-09-1222I0610-01-PFAS1.50 ppt
2022-12-1222L1813-01-PFAS1.000 ppt
2023-02-2723C0130-01-PFAS1.20 ppt
2023-06-1223F1570-01-PFAS1.10 ppt
2023-08-1423H2033-01-PFASND