Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Rimrock Road Neighborhood

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
20180.0621 ppb348ND - 0.400 ppb
20190.0432 ppb253ND - 0.390 ppb
20200.0205 ppb392ND - 0.410 ppb
20210.0137 ppb271ND - 0.370 ppb
20220.0620 ppb255ND - 0.400 ppb
20230.0500 ppb368ND - 0.360 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