Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

City of Blythe

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
2018N/A00N/A
2019ND40ND
2020ND10ND
2021N/A00N/A
2022ND40ND
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
2019-11-20CA3310003_030_030-201911201315ND
2019-11-20CA3310003_015_015-201911201300ND
2019-11-20CA3310003_031_031-201911201400ND
2019-12-17CA3310003_010_010-201912171330ND
2020-12-28CA3310003_006_006-202012280600ND
2022-11-02CA3310003_030_030-202211020700ND
2022-11-02CA3310003_031_031-202211020730ND
2022-12-12CA3310003_006_006-202212120800ND
2022-12-21CA3310003_010_010-202212210930ND
2023-12-19CA3310003_015_015-202312190700ND