Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

City of Aubrey

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND40ND
2022ND40ND
2023ND70ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-15Q1810837004ND
2018-03-15Q1810837006ND
2018-03-15Q1810837008ND
2018-03-15Q1810837002ND
2019-05-15Q1926233001ND
2019-05-15Q1926233003ND
2019-05-15Q1926233005ND
2019-05-15Q1926233007ND
2020-03-26Q2012850003ND
2020-05-18Q2019651001ND
2020-10-05Q2038828008ND
2020-10-05Q2038828010ND
2020-10-05Q2038828012ND
2021-07-01Q2117370014ND
2021-07-01Q2117370018ND
2021-07-01Q2117370016ND
2021-07-01Q2117370012ND
2022-10-13Q2231065002ND
2022-10-13Q2231065004ND
2022-10-13Q2231065006ND
2022-10-13Q2231065008ND
2023-04-11Q2313300012ND
2023-09-26Q2341271006ND
2023-09-26Q2341271008ND
2023-09-26Q2341271010ND
2023-09-26Q2341271012ND
2023-09-26Q2341271037ND
2023-11-14Q2348752005ND