Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Brook Village Condominium

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20212.25 ppt881.50 ppt - 3.30 ppt
20223.18 ppt442.51 ppt - 3.69 ppt
20232.96 ppt442.71 ppt - 3.08 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 Result
2021-10-261.90 ppt
2021-10-261.80 ppt
2021-10-262.20 ppt
2021-10-263.10 ppt
2021-12-071.50 ppt
2021-12-072.30 ppt
2021-12-071.90 ppt
2021-12-073.30 ppt
2022-01-263.09 ppt
2022-04-183.43 ppt
2022-07-063.69 ppt
2022-10-252.51 ppt
2023-01-093.06 ppt
2023-04-212.71 ppt
2023-07-243.00 ppt
2023-10-233.08 ppt