cis-1,2-Dichloroethylene
Portage
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 11 | 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 |
---|---|---|
2018-05-22 | LLH81761 | ND |
2018-05-22 | LLH81760 | ND |
2018-05-22 | LLH81762 | ND |
2018-05-22 | LLH81759 | ND |
2018-05-22 | LLH81758 | ND |
2018-05-22 | LLH81756 | ND |
2018-05-22 | LLH81757 | ND |
2018-06-25 | LLH88663 | ND |
2018-06-25 | LLH88664 | ND |
2018-08-22 | LLI00614 | ND |
2018-09-20 | LLI06939 | ND |