Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Cws - Lower Bodfish Water 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.

 

8

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
2020ND40ND
2021N/A00N/A
2022N/A00N/A
2023ND40ND

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
2020-04-14CA1510056_010_010-202004140930ND
2020-04-14CA1510056_013_013-202004140836ND
2020-04-14CA1510056_008_008-202004140925ND
2020-04-14CA1510056_022_022-202004140849ND
2023-01-03CA1510056_010_010-202301030959ND
2023-01-03CA1510056_008_008-202301030943ND
2023-01-12CA1510056_010_010-202301121051ND
2023-01-12CA1510056_008_008-202301121031ND