cis-1,2-Dichloroethylene
City of Blythe
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.
9
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 |
|---|---|---|---|---|
| 2012 | ND | 2 | 0 | ND |
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | 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 |
|---|---|---|
| 2012-12-26 | 4790-030-0730 | ND |
| 2012-12-26 | 4790-031-0735 | ND |
| 2014-12-17 | 4790-006-0640 | ND |
| 2014-12-17 | 4790-015-0740 | ND |
| 2016-11-29 | 4790-010-1115 | ND |
| 2016-11-29 | 4790-015-1100 | ND |
| 2016-11-29 | 4790-030-1015 | ND |
| 2016-11-29 | 4790-031-1000 | ND |
| 2017-11-20 | 4790-006-0700 | ND |