cis-1,2-Dichloroethylene
Greensboro Fire District 1
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.
9
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-03-24 | 1403-05136-001 | ND |
| 2017-02-07 | 1702-02770-001 | ND |
| 2017-02-15 | 1702-03558-001 | ND |
| 2017-04-04 | 1704-07000-001 | ND |
| 2017-08-21 | 1708-19561-001 | ND |
| 2017-10-23 | 1710-25493-001 | ND |
| 2018-02-27 | 1802-04456-001 | ND |
| 2018-08-14 | 1808-20681-001 | ND |
| 2019-07-15 | 1907-17183-001 | ND |