cis-1,2-Dichloroethylene
City of Hemet
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 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2014-05-28 | 4790-025-1100 | ND |
2014-11-12 | 4790-034-1100 | ND |
2015-11-10 | 4790-024-0730 | ND |
2016-01-13 | 4790-010-0810 | ND |
2016-01-13 | 4790-012-1000 | ND |
2016-07-06 | 4790-025-1010 | ND |
2017-12-26 | 4790-034-0920 | ND |
2018-11-28 | 4790-024-0810 | ND |
2019-01-21 | 4790-012-0950 | ND |