cis-1,2-Dichloroethylene
Las Flores Water Company
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 | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 6 | 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 |
---|---|---|
2014-02-10 | 3761-003-0830 | ND |
2016-06-06 | 3761-003-0825 | ND |
2018-09-10 | 9590-003-0900 | ND |
2018-09-10 | 9590-006-0920 | ND |
2018-10-01 | 9590-003-1300 | ND |
2018-10-01 | 9590-006-1245 | ND |
2018-10-15 | 9590-003-0930 | ND |
2018-10-15 | 9590-006-1000 | ND |
2019-12-16 | 3761-003-0845 | ND |