cis-1,2-Dichloroethylene
City of Farmersville
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 |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 7 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-09-23 | 5867-001-1125 | ND |
| 2014-09-23 | 5867-003-0815 | ND |
| 2014-09-23 | 5867-004-1300 | ND |
| 2014-09-24 | 5867-005-0945 | ND |
| 2014-09-24 | 5867-006-0830 | ND |
| 2014-09-24 | 5867-007-1045 | ND |
| 2014-09-24 | 5867-014-1015 | ND |
| 2017-06-07 | 5867-006-0825 | ND |
| 2017-06-08 | 5867-001-0826 | ND |
| 2017-06-08 | 5867-003-1326 | ND |
| 2017-06-08 | 5867-004-1005 | ND |
| 2017-06-08 | 5867-005-0718 | ND |
| 2017-06-08 | 5867-007-1033 | ND |
| 2017-06-08 | 5867-014-1100 | ND |