cis-1,2-Dichloroethylene
Wellsburg, City Of
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 3.45 ppb | 1 | 1 | 3.45 ppb |
| 2017 | 4.01 ppb | 4 | 4 | 2.03 ppb - 7.59 ppb |
| 2018 | 2.34 ppb | 4 | 4 | 1.89 ppb - 2.72 ppb |
| 2019 | 1.53 ppb | 5 | 4 | ND - 2.10 ppb |
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 |
|---|---|---|
| 2016-08-01 | 16080170-03A | 3.45 ppb |
| 2017-03-06 | 17030738-01A | 7.59 ppb |
| 2017-06-22 | 17063170-01A | 2.03 ppb |
| 2017-09-19 | 17092496-01A | 2.99 ppb |
| 2017-12-26 | 17123190-01A | 3.42 ppb |
| 2018-03-01 | 18030270-01A | 1.89 ppb |
| 2018-04-05 | 18040808-01A | 2.13 ppb |
| 2018-08-02 | 18080546-01A | 2.60 ppb |
| 2018-12-13 | 18121915-01A | 2.72 ppb |
| 2019-01-24 | 19012840-01A | 1.97 ppb |
| 2019-06-19 | 19062578-01A | 1.60 ppb |
| 2019-08-19 | M19-28116-03 | ND |
| 2019-09-30 | 468016 | 2.00 ppb |
| 2019-11-26 | M19-36367-01 | 2.10 ppb |