cis-1,2-Dichloroethylene
Warrenville
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 4 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-10-07 | 1410346-001A | ND |
2015-10-06 | 1510365-001A | ND |
2016-10-11 | 1610787-001A | ND |
2016-10-11 | 1610787-002A | ND |
2016-10-11 | 1610787-003A | ND |
2018-06-27 | 18F1191-01_02 | ND |
2018-11-12 | 1811831-001A | ND |
2018-11-12 | 1811831-002A | ND |
2018-11-28 | 18K0693-01_02 | ND |
2019-11-05 | 1911219-001A | ND |
2019-11-05 | 1911219-003A | ND |