cis-1,2-Dichloroethylene
City of Pearl
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.
17
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 | 3 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-06-25 | 140626-020VO | ND |
| 2014-06-25 | 140626-019VO | ND |
| 2014-06-25 | 140626-018VO | ND |
| 2015-08-12 | 150813-005VO | ND |
| 2015-08-12 | 150813-004VO | ND |
| 2015-08-12 | 150813-003VO | ND |
| 2016-08-08 | 160809-036VO | ND |
| 2016-08-08 | 160809-038VO | ND |
| 2016-08-08 | 160809-037VO | ND |
| 2016-08-08 | 160809-035VO | ND |
| 2016-08-08 | 160809-034VO | ND |
| 2016-08-09 | 160810-016VO | ND |
| 2016-08-09 | 160810-015VO | ND |
| 2019-03-12 | 190313-002VO | ND |
| 2019-05-14 | 190515-002VO | ND |
| 2019-09-03 | 190904-017VO | ND |
| 2019-11-06 | 191107-003VO | ND |