Know Your Environment. Protect Your Health.

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

Hynes Estates Mutual Water Company

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.

 

10

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
2022N/A00N/A
2023ND100ND

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
2023-02-01CA3000519_001_001-202302011115ND
2023-02-01CA3000519_005_005-202302010915ND
2023-02-01CA3000519_001_001-202302011125ND
2023-03-16CA3000519_001_001-202303161040ND
2023-04-24CA3000519_001_001-202304240955ND
2023-04-24CA3000519_005_005-202304241030ND
2023-07-13CA3000519_005_005-202307131025ND
2023-07-13CA3000519_001_001-202307131010ND
2023-07-13CA3000519_001_001-202307131015ND
2023-11-08CA3000519_005_005-202311080935ND