cis-1,2-Dichloroethylene
Charter Oaks Village Cooperative
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.
12
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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-05-21 | ND | |
| 2014-05-21 | ND | |
| 2015-03-11 | K004246001 | ND |
| 2015-10-28 | K044715001 | ND |
| 2016-11-02 | 1611-00345-001 | ND |
| 2016-12-21 | 1612-01720-002 | ND |
| 2017-05-10 | 1705-01505-003 | ND |
| 2017-05-10 | 1705-01500-003 | ND |
| 2018-05-16 | 1805-02356-001 | ND |
| 2018-05-16 | 1805-02356-002 | ND |
| 2019-05-15 | 1905-02053-003 | ND |
| 2019-05-15 | 1905-02053-004 | ND |