Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Paw Glen Alsace Div

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.

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND70ND
2020ND120ND
2021ND30ND
2022ND30ND
2023ND150ND

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
2018-02-1338538801ND
2018-02-1338539501ND
2018-02-1338539201ND
2019-02-0642853101ND
2019-02-0642853301ND
2019-02-0642853201ND
2019-07-2245717501ND
2019-07-2245717601ND
2019-07-2245717401ND
2019-07-2946133302ND
2020-02-1021708723.00ND
2020-02-1021708702.00ND
2020-02-1021708681.00ND
2020-02-1021708768.00ND
2020-02-1021708789.00ND
2020-02-1121708747.00ND
2020-02-1121708618.00ND
2020-02-1121708639.00ND
2020-02-1121708660.00ND
2020-02-1721708834.00ND
2020-02-1721708813.00ND
2020-02-1721708855.00ND
2021-02-1023928440.00ND
2021-02-1023928419.00ND
2021-02-1023928461.00ND
2022-02-1026157293.00ND
2022-02-1026157313.00ND
2022-02-1026157255.00ND
2023-02-0928389648.00ND
2023-02-0928389580.00ND
2023-02-0928389624.00ND
2023-02-0928389559.00ND
2023-02-0928389601.00ND
2023-02-0928389496.00ND
2023-02-0928389475.00ND
2023-02-0928389433.00ND
2023-02-0928389538.00ND
2023-02-0928389653.00ND
2023-02-0928389517.00ND
2023-02-0928389454.00ND
2023-04-1028750988.00ND
2023-07-1129348355.00ND
2023-10-0929929562.00ND