Know Your Environment. Protect Your Health.

Perfluoroheptane sulfonic acid (PFHpS)

Jennie Clarkson Home

Perfluoroheptane sulfonic acid (PFHpS) is a member of a group of perfluorinated chemicals used in many consumer products. PFHpS 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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.110 ppt61ND - 0.657 ppt
20220.196 ppt103ND - 0.690 ppt
20230.0870 ppt91ND - 0.784 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.001 ppt

The EWG Health Guideline of 0.001 ppt for PFHpS was defined by EPA's recommended application of the PFHxS toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline protects against harm to the developing immune system.

ppt = parts per trillion

All test results

Date Lab ID Result
2021-06-01L212915001-PFASND
2021-06-01L212915002-PFASND
2021-09-28L215269801-PFASND
2021-10-19L215729101-PFASND
2021-10-19L215729102-PFASND
2021-12-03L216687302-PFAS0.657 ppt
2022-02-20L220912502-PFASND
2022-02-20L220912501-PFAS0.618 ppt
2022-03-20L221468501-PFAS0.647 ppt
2022-06-19L2232813-02-PFASND
2022-06-19L2232813-01-PFASND
2022-06-26L2234236-01-PFASND
2022-09-07L2248718-01-PFASND
2022-09-07L2248718-02-PFASND
2022-10-02L2254424-01-PFAS0.690 ppt
2022-12-22L2272353-01-PFASND
2023-01-10L2301675-02-PFASND
2023-01-10L2301675-01-PFAS0.784 ppt
2023-03-07L2312366-02-PFASND
2023-03-07L2312366-01-PFASND
2023-06-14L2335485-02-PFASND
2023-06-14L2335485-01-PFASND
2023-09-28L2358237-01-PFASND
2023-11-08CP44013-PFASND
2023-11-28CP56012-PFASND