Know Your Environment. Protect Your Health.

Perfluorotridecanoic acid (PFTrDA)

Riverdale Park Tract Community Services District

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.

 

17

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
2019ND30ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND20ND

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
2019-06-18CA5000019_003_003-201906181030ND
2019-09-10CA5000019_003_003-201909101745ND
2019-12-20CA5000019_003_003-201912201101ND
2020-03-30CA5000019_003_003-202003301133ND
2020-04-27CA5000019_003_003-202004271000ND
2020-07-21CA5000019_003_003-202007210800ND
2020-10-07CA5000019_003_003-202010071140ND
2021-01-27CA5000019_003_003-202101270915ND
2021-04-14CA5000019_003_003-202104140929ND
2021-07-21CA5000019_003_003-202107210841ND
2021-10-27CA5000019_003_003-202110271040ND
2022-01-11CA5000019_003_003-202201111000ND
2022-04-11CA5000019_003_003-202204111246ND
2022-07-13CA5000019_003_003-202207131010ND
2022-10-03CA5000019_003_003-202210031350ND
2023-01-03CA5000019_003_003-202301031254ND
2023-05-22CA5000019_003_003-202305221000ND