cis-1,2-Dichloroethylene
Oakley Valley Water Corporation
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 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 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 |
---|---|---|
2014-09-12 | V1433001 | ND |
2016-09-14 | V1626771 | ND |
2016-09-14 | V1626751 | ND |
2018-02-16 | V1769841 | ND |
2018-05-15 | V1793051 | ND |
2018-09-24 | V1825901 | ND |
2018-12-19 | V1847661 | ND |
2019-07-09 | V1906531 | ND |
2019-09-19 | V1929821 | ND |