cis-1,2-Dichloroethylene
Arvin Community Services District
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.
20
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 | 6 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-01-07 | 5806-011-1023 | ND |
| 2014-01-07 | 5806-009-1021 | ND |
| 2015-08-04 | 5806-005-0921 | ND |
| 2015-08-04 | 5806-018-1051 | ND |
| 2015-08-04 | 5806-016-1036 | ND |
| 2015-08-04 | 5806-006-0949 | ND |
| 2015-08-04 | 5806-001-1015 | ND |
| 2015-09-10 | 5806-009-0936 | ND |
| 2016-10-13 | 5806-020-1009 | ND |
| 2016-10-13 | 5806-022-1041 | ND |
| 2017-10-31 | 5806-020-1117 | ND |
| 2017-10-31 | 5806-022-1202 | ND |
| 2018-03-13 | 5806-022-0900 | ND |
| 2018-07-17 | 5806-009-0847 | ND |
| 2018-07-17 | 5806-016-0744 | ND |
| 2018-07-17 | 5806-018-0822 | ND |
| 2018-07-17 | 5806-022-0928 | ND |
| 2019-08-27 | 5806-020-0808 | ND |
| 2019-08-27 | 5806-022-0825 | ND |
| 2019-12-17 | 5806-020-0820 | ND |