cis-1,2-Dichloroethylene
City of Adelanto
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 7 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2016-01-07 | 3761-005-0915 | ND |
2016-01-07 | 3761-006-0905 | ND |
2016-01-07 | 3761-016-1130 | ND |
2016-01-07 | 3761-022-1046 | ND |
2016-07-06 | 3761-013-1100 | ND |
2016-07-06 | 3761-021-1107 | ND |
2016-07-06 | 3761-022-1042 | ND |
2017-04-04 | 3761-020-1205 | ND |
2017-04-04 | 3761-021-1039 | ND |
2019-11-19 | 3761-003-1058 | ND |