Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

City of Big Sandy

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-08-30Q1834898002ND
2018-08-30Q1834898003ND
2019-10-10Q1972217003ND
2019-10-10Q1972217005ND
2020-06-22Q2024983006ND
2020-06-22Q2024983008ND
2021-07-14Q2118474002ND
2021-07-14Q2118474004ND
2022-07-25Q2220981003ND
2022-07-25Q2220981005ND
2023-07-13Q2327537004ND
2023-10-03Q2342306007ND