Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Westbrook 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for cis-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
2018-10-0918J0431-02ND
2019-01-1419A0414-01ND
2020-01-1320A0470-01ND
2021-11-0821K0563-01ND
2022-01-1022A0251-01ND
2022-05-0422E0324-01ND
2022-07-1422G0889-01ND
2022-10-1022J0358-01ND
2023-02-0823B0589-01ND
2023-04-2423D1397-01ND
2023-07-1123G0454-01ND
2023-10-0923J0436-01ND