Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Rocklyn Mobile Home Park

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
20180.500 ppb110.500 ppb
20190.600 ppb440.500 ppb - 0.700 ppb
2020N/A00N/A
2021N/A00N/A
20220.550 ppb220.500 ppb - 0.600 ppb
20230.533 ppb330.500 ppb - 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