Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Colony Heights 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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.141 ppt123ND - 0.641 ppt
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 Result
2021-01-25ND
2021-02-240.619 ppt
2021-03-230.641 ppt
2021-04-120.431 ppt
2021-06-17ND
2021-07-06ND
2021-08-04ND
2021-08-09ND
2021-09-14ND
2021-10-12ND
2021-11-08ND
2021-12-07ND
2022-01-28ND
2022-04-25ND
2022-07-26ND
2022-10-11ND
2023-01-16ND
2023-04-24ND
2023-07-13ND
2023-10-04ND