Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Washington Pike Psd

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.34 ppb441.89 ppb - 2.72 ppb
20191.53 ppb54ND - 2.10 ppb
20201.56 ppb551.20 ppb - 1.90 ppb
20210.805 ppb42ND - 2.40 ppb
20221.88 ppb441.50 ppb - 2.30 ppb
20231.42 ppb54ND - 2.40 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