Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Spinsfield Commons

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021ND30ND
2022ND40ND
2023ND40ND

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
2018-11-291815101-01ND
2018-11-291804742-01ND
2019-09-171915631-01ND
2020-06-222006-02977-001ND
2021-03-222103-02814-001ND
2021-07-152107-02568-001ND
2021-10-282110-04882-001ND
2022-01-272201-03503-001ND
2022-04-222204-03689-001ND
2022-07-222207-04385-001ND
2022-10-242210-04713-001ND
2023-01-262301-04315-001ND
2023-04-192304-03951-001ND
2023-08-232308-05509-001ND
2023-10-162310-03511-001ND