Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Whitehall Twp Authority

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
2018ND20ND
2019ND20ND
2020ND50ND
2021ND20ND
2022ND20ND
2023ND50ND

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
2018-02-138013120-01ND
2018-02-138013121-01ND
2019-02-059012093-01ND
2019-02-059012092-01ND
2020-02-0421553218.00ND
2020-02-0421553323.00ND
2020-02-0421553302.00ND
2020-02-0421553281.00ND
2020-02-0421553197.00ND
2021-02-0423937738.00ND
2021-02-0423937759.00ND
2022-02-0326166523.00ND
2022-02-0326166544.00ND
2023-02-0728398968.00ND
2023-02-0728398989.00ND
2023-02-0728399010.00ND
2023-02-0728399052.00ND
2023-02-0728399031.00ND