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.
20
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2019-08-13 | 1913320-01 | ND |
| 2019-10-22 | 1918560-01 | ND |
| 2020-01-13 | 2000436-01 | ND |
| 2020-04-08 | 2006371-01 | ND |
| 2020-07-21 | 2013009-01 | ND |
| 2020-10-28 | 2018780-01 | ND |
| 2020-12-15 | 2017570-01 | ND |
| 2021-01-13 | 2022767-01 | ND |
| 2021-02-09 | 2023604-01 | ND |
| 2021-04-20 | 2104893-01 | ND |
| 2021-07-15 | 2112115-01 | ND |
| 2021-10-18 | 2117401-01 | ND |
| 2022-01-19 | 2122511-01 | ND |
| 2022-07-22 | 2212089-01 | ND |
| 2022-08-11 | 2211486-01 | ND |
| 2022-10-19 | 2216919-01 | ND |
| 2023-03-07 | 2221191-01 | ND |
| 2023-05-10 | 2305681-01 | ND |
| 2023-08-22 | 2315673-01 | ND |
| 2023-11-28 | 2319160-01 | ND |