1,1-Dichloroethylene
City of Greensboro
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 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) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-29 | 173527-14 | ND |
| 2014-08-04 | 173543-14 | ND |
| 2015-05-11 | ND | |
| 2015-05-11 | ND | |
| 2016-05-10 | 534-16 | ND |
| 2016-05-10 | 531-16 | ND |
| 2017-04-05 | 485-17 | ND |
| 2017-04-05 | 487-17 | ND |
| 2018-05-14 | 807-18 | ND |
| 2018-05-14 | 810-18 | ND |
| 2019-04-08 | 3377-19 | ND |
| 2019-04-09 | 3380-19 | ND |