cis-1,2-Dichloroethylene
Capitol Water Corporation
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.
21
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 | ND | 6 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2016-03-15 | V1610491 | ND |
| 2016-06-16 | V1626317 | ND |
| 2016-08-24 | V1638311 | ND |
| 2016-08-24 | V1638313 | ND |
| 2016-09-20 | V1643091 | ND |
| 2016-11-18 | V1653151 | ND |
| 2017-03-15 | V1710321 | ND |
| 2017-06-13 | V1724880 | ND |
| 2017-09-22 | V1743791 | ND |
| 2017-12-11 | V1757524 | ND |
| 2018-03-21 | V1812045 | ND |
| 2018-06-13 | V1826732 | ND |
| 2018-09-21 | V1846815 | ND |
| 2018-11-13 | V1856292 | ND |
| 2019-03-20 | V1912593 | ND |
| 2019-06-14 | V1928540 | ND |
| 2019-06-14 | V1928538 | ND |
| 2019-06-14 | V1928541 | ND |
| 2019-09-17 | V1946479 | ND |
| 2019-09-17 | V1946477 | ND |
| 2019-11-21 | V1958625 | ND |