Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

City of Vancouver

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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

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
2022N/A00N/A
2023ND330ND
2024ND10ND

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
2023-03-014429860ND
2023-03-014429858ND
2023-03-014429855ND
2023-03-014429857ND
2023-03-014429861ND
2023-03-014429856ND
2023-03-014429859ND
2023-05-244555848ND
2023-05-244555849ND
2023-05-244555847ND
2023-05-244555845ND
2023-05-244555844ND
2023-05-244555843ND
2023-05-244555846ND
2023-08-094555886ND
2023-08-304555707ND
2023-09-204531352ND
2023-09-204531351ND
2023-09-204531350ND
2023-09-204531349ND
2023-09-204530140ND
2023-09-204531373ND
2023-09-204530138ND
2023-11-294583943ND
2023-11-294583938ND
2023-11-294583942ND
2023-11-294583932ND
2023-11-294583937ND
2023-11-294583936ND
2023-11-294583935ND
2023-11-294583939ND
2023-11-294583934ND
2023-11-294583933ND
2024-05-15K2405032-001ND