cis-1,2-Dichloroethylene
Mountain View
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 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-08-25 | 14239002401 | ND |
2015-07-13 | 15196001709 | ND |
2016-07-11 | 16196015501 | ND |
2017-07-10 | 17194008001 | ND |
2018-09-04 | 18249004109 | ND |
2018-09-19 | 18262001201 | ND |
2019-07-29 | 19212004901 | ND |
2019-10-08 | 19282001501 | ND |