Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Aquarion Water Company of Connecticut - Greenwich System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND30ND
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
2014-04-01201404020466AMND
2014-04-01201404020496AMND
2014-04-01201404020547AMND
2014-07-07201407080373AMND
2014-07-07201407080377AMND
2014-07-07201407080375AMND
2014-10-16201410180110AMND
2014-10-16201410180094AMND
2014-10-16201410180096AMND
2015-01-06201501070580AMND
2015-02-04201502050741AMND
2015-02-04201502050737AMND