Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Rolling Ridge Estates

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
2021N/A00N/A
2022ND60ND
2023ND90ND

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
2022-08-09JH2206659-PFASND
2022-08-09JH2206660-PFASND
2022-08-09JH2206658-PFASND
2022-11-28JH2210161-PFASND
2022-11-28JH2210160-PFASND
2022-11-28JH2210159-PFASND
2023-05-16JH2303668-PFASND
2023-05-16JH2303666-PFASND
2023-05-16JH2303667-PFASND
2023-08-21JH2307176-PFASND
2023-08-21JH2307174-PFASND
2023-08-21JH2307175-PFASND
2023-11-13JH2309912-PFASND
2023-11-13JH2309913-PFASND
2023-11-13JH2309914-PFASND