Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Ormsby Mobile Home Park

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)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.945 ppt440.894 ppt - 1.04 ppt
20220.998 ppt440.794 ppt - 1.16 ppt
20230.864 ppt440.774 ppt - 0.922 ppt

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
2021-04-26210410892-001-PFAS0.926 ppt
2021-06-02210614949-001-PFAS1.04 ppt
2021-07-20210720824-001-PFAS0.919 ppt
2021-10-04211029623-001-PFAS0.894 ppt
2022-02-22220204488-001-PFOA0.794 ppt
2022-04-11220408864-001-PFOA0.988 ppt
2022-07-26220720515-001-PFOA1.16 ppt
2022-10-18221030432-001-PFOA1.05 ppt
2023-03-28230307833-001-PFAS0.913 ppt
2023-05-08230512044-002-PFAS0.774 ppt
2023-07-26230722157-001-PFAS0.846 ppt
2023-10-17231033133-002-PFAS0.922 ppt