cis-1,2-Dichloroethylene
City of Owosso
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 | 0.0714 ppb | 7 | 1 | ND - 0.500 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-09-17 | LLF38902 | ND |
2014-09-17 | LLF38903 | ND |
2014-09-17 | LLF38904 | ND |
2014-09-17 | LLF38905 | 0.500 ppb |
2014-09-17 | LLF38907 | ND |
2014-09-17 | LLF38906 | ND |
2014-09-17 | LLF38908 | ND |
2018-03-12 | LLH70073 | ND |