Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Fairfield Estates

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.

 

13

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
2022ND30ND
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
2018-08-14AE36947ND
2018-08-14AE36949ND
2019-03-05AE57160ND
2019-03-05AE57170ND
2020-08-04AF21862ND
2020-08-04AF21866ND
2021-10-13AF73342ND
2021-10-13AF73352ND
2022-02-14AF84650ND
2022-02-14AF84668ND
2022-06-08AG00097ND
2023-05-03AG39155ND
2023-05-03AG39161ND