Know Your Environment. Protect Your Health.

Perfluorotridecanoic acid (PFTrDA)

Whispering Pines

Perfluorotridecanoic acid (PFTrDA) is a member of a group of perfluorinated chemicals used in many consumer products. PFTrDA 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND40ND
2021ND50ND
2022ND40ND
2023ND10ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 0.006 ppt for PFTrDA was based on the EPA's recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to the immune system and harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Lab ID Result
2018-05-30GW1805301435EDKND
2019-03-28GWNT1903281200KERND
2019-06-21GWNT1906211400MKND
2019-09-18GWNT1909180900GGAND
2019-12-19GWNT1912190910KMEND
2020-03-25GWNT2003251210SKND
2020-06-29GWNT2006291600MKND
2020-10-05GWNT2010051130MKND
2020-10-05LJ27660ND
2021-01-272101B51-01ND
2021-03-162103738-01ND
2021-06-292106F84ND
2021-09-212109A98-01ND
2021-12-202112934-01ND
2022-03-212203C07-01ND
2022-06-282206K09-01ND
2022-09-212209F43-01ND
2022-11-292211F58-01ND
2023-02-282302C71-01ND