Know Your Environment. Protect Your Health.

9-chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)

East Cocalico Township

9-chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) is a member of a group of perfluorinated chemicals used in many consumer products. 9Cl-PF3ONS and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

22

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
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A
2024ND200ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppt

The EWG Health Guideline of 1 ppt for 9Cl-PF3ONS was defined by EWG as based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water.

ppt = parts per trillion

All test results

Date Lab ID Result
2020-11-04ND
2020-11-04ND
2024-01-15111825PND
2024-01-15111826PND
2024-01-15111834PND
2024-01-15111827PND
2024-01-15111828PND
2024-01-15111833PND
2024-01-15111829PND
2024-01-15111830PND
2024-01-15111832PND
2024-01-15111831PND
2024-07-15119028PND
2024-07-15119027PND
2024-07-15119026PND
2024-07-15119025PND
2024-07-15119024PND
2024-07-15119023PND
2024-07-15119022PND
2024-07-15119021PND
2024-07-15119020PND
2024-07-15119019PND