Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Sundance Addition

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
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

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
2018-03-27Q1812580018ND
2018-03-27Q1812580020ND
2018-03-27Q1812580009ND
2019-09-09Q1962975001ND
2019-09-09Q1962975003ND
2019-09-09Q1962975005ND
2020-07-22Q2028870001ND
2020-07-22Q2028870003ND
2020-07-22Q2028870009ND
2021-12-09Q2134714007ND
2021-12-09Q2134714011ND
2021-12-09Q2134714009ND
2022-10-21Q2232010003ND
2022-10-21Q2232010005ND
2022-10-21Q2232010007ND
2023-03-20Q2310440001ND
2023-03-20Q2310440003ND
2023-03-20Q2310440005ND