Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Quimper

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
20220.903 ppt123ND - 4.33 ppt
2023ND80ND
2024ND80ND

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
2022-03-144266219ND
2022-03-144266222ND
2022-03-144266213ND
2022-03-144266224ND
2022-03-144266215ND
2022-03-154266207ND
2022-03-154266211ND
2022-03-1542662054.06 ppt
2022-05-054394956ND
2022-05-0543949574.33 ppt
2022-05-054394955ND
2022-07-2643431712.44 ppt
2023-09-054540549ND
2023-09-054540548ND
2023-09-054540547ND
2023-09-054540545ND
2023-09-054540551ND
2023-09-054540544ND
2023-09-054540546ND
2023-09-054540550ND
2024-03-04K2402392-005ND
2024-03-04K2402392-001ND
2024-03-04K2402392-013ND
2024-03-04K2402392-009ND
2024-03-04K2402392-007ND
2024-03-04K2402392-011ND
2024-03-04K2402392-003ND
2024-03-04K2402392-015ND