cis-1,2-Dichloroethylene
Cabazon Water District
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 | 7 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-04-09 | 4790-005-0046 | ND |
2014-04-09 | 4790-006-0111 | ND |
2014-04-09 | 4790-011-0126 | ND |
2014-12-30 | 4790-011-0325 | ND |
2014-12-31 | 4790-005-0029 | ND |
2014-12-31 | 4790-006-0051 | ND |
2014-12-31 | 4790-012-0041 | ND |
2017-12-13 | 4790-005-0640 | ND |
2017-12-13 | 4790-011-0708 | ND |
2017-12-20 | 4790-006-0425 | ND |
2017-12-20 | 4790-012-0443 | ND |