Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Waysons Mobile Court

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.

 

18

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
2019N/A00N/A
2020ND80ND
2021ND60ND
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
2020-01-29E20002533008ND
2020-01-29E20002533006ND
2020-04-28E20003450001ND
2020-04-28E20003451001ND
2020-07-21E21000205001ND
2020-07-21E21000205004ND
2020-10-28E21001188006ND
2020-10-28E21001188008ND
2021-02-16E21002129004ND
2021-02-16E21002129001ND
2021-04-12E21002853001ND
2021-04-12E21002853004ND
2021-08-30E22000728001ND
2021-08-30E22000728004ND
2022-02-010020223_01_02022225ND
2022-02-010020223_02_020222128ND
2023-07-06E2400002501ND
2023-07-06E2400002601ND