Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

City of Auburn

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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
2014-03-11A4B1976-01AND
2014-03-11A4B1976-12AND
2014-03-13A4B1976-08AND
2014-03-18A4C0166-05AND
2014-03-18A4C0166-01AND
2014-04-01A4C1981-01AND
2014-06-11A4C2313-01AND
2014-09-09A4I0142-01AND
2014-09-16A4I0632-06AND
2014-09-16A4I0632-01AND
2014-09-23A4I1297-01AND
2014-09-23A4I1297-06AND
2014-09-30A4I2084-01AND
2014-12-09A4L0057-01AND
2023-06-084470465ND
2023-06-084470460ND
2023-06-084470458ND
2023-06-084470463ND
2023-06-084470461ND
2023-06-084470459ND
2023-06-084470462ND
2023-06-084470456ND
2023-06-084470455ND
2023-06-084470457ND