Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Genoa

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.

 

11

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
2019N/A00N/A
20200.900 ppb42ND - 2.00 ppb
20212.50 ppb332.30 ppb - 2.70 ppb
20223.30 ppb333.00 ppb - 3.80 ppb
20234.30 ppb114.30 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
2020-01-160013218-01ND
2020-01-160013218-03ND
2020-01-160013218-042.00 ppb
2020-02-130022593-011.60 ppb
2021-04-15ED03164-012.50 ppb
2021-07-13EG03220-012.30 ppb
2021-10-13EJ02899-012.70 ppb
2022-01-13FA02505-013.10 ppb
2022-05-11FE02755-013.00 ppb
2022-08-02FH01349-013.80 ppb
2023-02-07GB01903-014.30 ppb