Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

City of Tacoma

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND200ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2014-08-06201408070493AMND
2015-03-10201503110935AMND
2015-03-10201503120179AMND
2015-03-10201502170548AMND
2015-06-09201505060001AMND
2015-06-17201505060005AMND
2015-06-29201505020034AMND
2015-07-06201505020035AMND
2015-07-08201507090318AMND
2015-07-09201507100395AMND
2015-07-09201506300092AMND
2015-08-19201508200778AMND
2015-09-09201508050009AMND
2015-09-09201508050013AMND
2015-10-13201509250020AMND
2015-12-01201511130086AMND
2015-12-02201511130082AMND
2015-12-07201511130099AMND
2015-12-07201511130096AMND
2015-12-08201511130097AMND
2015-12-08201511130098AMND