cis-1,2-Dichloroethylene
El Reno
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.
14
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2015-05-29 | 056211.001 | ND |
| 2015-10-23 | 065614.001 | ND |
| 2015-11-25 | 065124.001 | ND |
| 2016-02-29 | 068212.001 | ND |
| 2016-05-18 | SDWA-1033695-00 | ND |
| 2016-08-26 | SDWA-1059122-00 | ND |
| 2016-11-29 | SDWA-1098521-00 | ND |
| 2017-02-28 | SDWA-1123963-00 | ND |
| 2017-05-31 | SDWA-1152229-00 | ND |
| 2017-08-30 | SDWA-1191827-00 | ND |
| 2017-11-30 | SDWA-1214313-00 | ND |
| 2018-02-27 | SDWA-1237576-00 | ND |
| 2018-10-29 | SDWA-1228064-00 | ND |
| 2019-02-22 | SDWA-1350475-00 | ND |