cis-1,2-Dichloroethylene
Marshall County Water Corp
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 | 1 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-03-11 | 4C11070-01 | ND |
| 2014-11-17 | 4K18077-01 | ND |
| 2015-05-12 | 5E12134-01 | ND |
| 2016-02-06 | 6B09096-01RE1 | ND |
| 2016-05-10 | 6E10113-01 | ND |
| 2016-08-09 | 6H09198-01 | ND |
| 2016-10-11 | 6J11115-01 | ND |
| 2017-03-14 | 7C14157-01 | ND |
| 2017-04-11 | 7D11140-01 | ND |
| 2017-08-08 | 7H08163-01 | ND |
| 2018-01-09 | 8A09122-01 | ND |
| 2019-05-14 | BE14124-01 | ND |