Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Falfurrias Utility Board

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-02-12AE13326ND
2018-02-12AE13324ND
2018-06-14AE30042ND
2018-06-14AE30050ND
2018-11-05AE45241ND
2019-02-25AE55655ND
2019-02-25AE55661ND
2019-07-08AE73478ND
2019-07-08AE73480ND
2020-02-10AE97893ND
2020-08-17AF23863ND
2020-08-17AF23865ND
2020-08-17AF23867ND
2021-08-13AF66426ND
2021-11-10AF76428ND
2021-11-10AF76440ND
2021-11-10AF76442ND
2021-11-10AF76444ND
2022-01-28AF82603ND
2022-05-09AF96764ND
2022-05-09AF96766ND
2022-06-30AG03063ND
2023-01-23AG25736ND
2023-01-23AG25740ND
2023-04-12AG36564ND
2023-04-12AG36566ND