cis-1,2-Dichloroethylene
Ventura Water Department
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.
11
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-04-02 | 5867-006-1000 | ND |
| 2014-04-02 | 5867-007-1030 | ND |
| 2014-04-02 | 5867-031-1130 | ND |
| 2015-04-06 | 5867-027-1115 | ND |
| 2015-10-06 | 5867-027-0825 | ND |
| 2017-04-03 | 5867-006-0815 | ND |
| 2017-04-03 | 5867-007-0830 | ND |
| 2017-04-03 | 5867-031-0955 | ND |
| 2017-04-18 | 5867-015-1000 | ND |
| 2018-12-26 | 5867-027-1005 | ND |
| 2019-12-12 | 5867-045-0840 | ND |