Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

City of Coeur D Alene

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND170ND

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
2014-08-25140827001-005ND
2014-08-25140827001-007ND
2014-08-25140827001-006ND
2014-08-25140827001-002ND
2014-08-25140827001-001ND
2014-08-25140827001-008ND
2014-08-25140827001-009ND
2014-08-25140827001-004ND
2014-08-25140827001-003ND
2015-01-20150121001-001ND
2015-01-20150121002-001ND
2015-06-22150626001-009ND
2015-06-22150626001-002ND
2015-06-23150626001-006ND
2015-06-23150626001-003ND
2015-06-23150626001-005ND
2015-06-24150626001-007ND
2015-06-24150626001-001ND
2015-06-24150626001-008ND
2015-06-24150626001-004ND
2015-06-30150706001-001ND
2023-11-21PFASMDL004010ND
2023-11-21PFASMDL004001ND
2023-11-21PFASMDL004002ND
2023-11-21PFASMDL004003ND
2023-11-21PFASMDL004004ND
2023-11-21PFASMDL004005ND
2023-11-21PFASMDL004006ND
2023-11-21PFASMDL004007ND
2023-11-21PFASMDL004008ND
2023-11-21PFASMDL004009ND
2023-11-21PFASMDL004011ND
2023-12-20PFASMDL077806ND
2023-12-20PFASMDL077805ND
2023-12-20PFASMDL077804ND
2023-12-20PFASMDL077803ND
2023-12-20PFASMDL077802ND
2023-12-20PFASMDL077801ND