Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Mt. Joy Boro 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.

 

12

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
2019ND20ND
2020ND50ND
2021ND10ND
2022ND10ND
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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021802857.00ND
2020-02-2021981365.00ND
2020-02-2821981393.00ND
2020-03-0321981316.00ND
2020-04-0922171128.00ND
2021-01-1923849097.00ND
2022-06-0726995869.00ND
2023-05-1529059224.00ND
2023-05-1629059225.00ND
2023-06-0429260259.00ND