Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Bernville Borough

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-04-138043123-01ND
2019-04-109042470-01ND
2019-09-189093450-01ND
2020-04-1322070919.00ND
2020-04-2722262639.00ND
2021-04-1224291820.00ND
2021-05-2424486223.00ND
2022-04-1226507638.00ND
2022-05-0926695356.00ND
2023-04-1028750558.00ND
2023-06-1229156826.00ND