1,1-Dichloroethylene
Edinburg, Town of
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
8
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 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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) 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 |
|---|---|---|
| 2014-08-04 | E140600383 | ND |
| 2015-08-05 | VA010-DCLS | ND |
| 2017-05-25 | 17053344-04A VOC | ND |
| 2017-07-31 | 17080010-04A | ND |
| 2018-08-08 | 18081256-04A | ND |
| 2018-08-27 | 18083752-01A | ND |
| 2018-08-27 | 18083752-06A | ND |
| 2019-09-23 | 9I25026-03VOC | ND |