Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Ayer Road Properties LLC

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND10ND
2020ND10ND
2021ND50ND
2022N/A00N/A
2023ND10ND

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
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2019-05-30ND
2020-05-05ND
2021-04-25ND
2021-04-25ND
2021-04-25ND
2021-04-25ND
2021-04-25ND
2023-04-10ND