cis-1,2-Dichloroethylene
Mountain View Correctional Facility
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | 3.50 ppb | 1 | 1 | 3.50 ppb |
2017 | ND | 2 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-03-05 | ND | |
2014-03-05 | ND | |
2016-10-11 | L040343001 | 3.50 ppb |
2017-05-04 | 1700905-01 | ND |
2017-05-04 | 1700904-01 | ND |
2019-08-13 | 1913320-01 | ND |
2019-10-22 | 1918560-01 | ND |