Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

West Grove 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.

 

8

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
2019ND10ND
20200.290 ppb21ND - 0.580 ppb
2021ND10ND
20220.600 ppb110.600 ppb
20230.200 ppb31ND - 0.600 ppb

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
2019-02-193017874003ND
2020-02-1821660190.00ND
2020-02-1821660157.000.580 ppb
2021-03-2224052730.00ND
2022-03-1526280818.000.600 ppb
2023-03-0728514302.00ND
2023-03-0728514323.00ND
2023-03-0728514324.000.600 ppb