Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

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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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND60ND
2022ND30ND
2023ND60ND

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
2021-07-15CA3400191_003_003-202107151135ND
2021-07-15CA3400191_002_002-202107151120ND
2021-07-15CA3400191_001_001-202107151115ND
2021-10-21CA3400191_002_002-202110211435ND
2021-10-21CA3400191_003_003-202110211445ND
2021-10-21CA3400191_001_001-202110211450ND
2022-01-27CA3400191_003_003-202201271345ND
2022-01-27CA3400191_001_001-202201271330ND
2022-01-27CA3400191_002_002-202201271315ND
2023-03-30CA3400191_003_003-202303301145ND
2023-03-30CA3400191_003_003-202303301200ND
2023-03-30CA3400191_001_001-202303301035ND
2023-03-30CA3400191_002_002-202303301100ND
2023-03-30CA3400191_002_002-202303301120ND
2023-03-30CA3400191_001_001-202303301000ND