Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Eliot Woods Condos

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.10 ppb111.10 ppb
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
20221.55 ppb43ND - 2.30 ppb
20232.35 ppb222.30 ppb - 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 Result
2018-04-021.10 ppb
2022-01-261.70 ppb
2022-05-232.30 ppb
2022-08-102.20 ppb
2022-12-20ND
2023-04-122.40 ppb
2023-05-152.30 ppb