cis-1,2-Dichloroethylene
Ossining Water Department
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-06-05 | 420785211POC | ND |
2014-06-05 | 420785212POC | ND |
2016-01-07 | 420-99356-2 | ND |
2016-01-07 | 420-99356-1POCS | ND |
2017-04-03 | 420-118816-1POC | ND |
2018-04-02 | 420-134806-2POCS | ND |
2018-04-02 | 420-134806-1POCS | ND |
2018-04-02 | 420-139806-1POCS | ND |
2018-11-05 | 420-145045-8POCS | ND |
2019-04-02 | 420-134806-2POCS | ND |
2019-04-02 | 420-134806-1POCS | ND |
2019-11-12 | AV23851POCS | ND |