cis-1,2-Dichloroethylene
Columbus Public Water System
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 | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-04-14 | 14-14643-01B | ND |
| 2014-04-14 | 14-14643-02B | ND |
| 2014-06-09 | 14-17579-03B | ND |
| 2015-05-04 | 15-15632-03 | ND |
| 2015-05-04 | 15-15632-07 | ND |
| 2016-05-02 | 16-16287-02C | ND |
| 2016-05-02 | 16-16287-03B | ND |
| 2017-02-08 | 17-12280-02C | ND |
| 2017-02-08 | 17-12280-01C | ND |
| 2017-06-08 | 17-20232-03B | ND |
| 2018-02-01 | 18-11908-01C | ND |
| 2018-02-01 | 18-11908-02C | ND |
| 2019-02-05 | 19-12453-01C | ND |
| 2019-02-05 | 19-12453-02C | ND |