cis-1,2-Dichloroethylene
City of Bozeman
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-07-16 | B14071638-001E | ND |
2014-07-16 | B14071638-002F | ND |
2015-06-16 | B15061643-001C | ND |
2016-06-14 | B16061279-001C | ND |
2017-06-14 | B17061576-001E | ND |
2017-06-14 | B17061576-002F | ND |
2018-06-05 | B18060567-001C | ND |
2019-07-10 | B19071149-001C | ND |