Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Myoma Dunes Mutual Water Company

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
2021ND20ND
2022ND20ND
2023ND10ND

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
2018-11-19CA3310051_007_007-201811191011ND
2018-11-19CA3310051_008_008-201811191033ND
2019-11-18CA3310051_011_011-201911180951ND
2019-11-22CA3310051_010_010-201911220939ND
2020-08-24CA3310051_009_009-202008241030ND
2021-08-23CA3310051_007_007-202108230903ND
2021-08-23CA3310051_008_008-202108230835ND
2022-08-19CA3310051_010_010-202208190715ND
2022-08-19CA3310051_011_011-202208190752ND
2023-08-22CA3310051_009_009-202308220650ND