1,1-Dichloroethylene
City of Edinburg
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-07-08 | AC59015 | ND |
| 2014-07-08 | AC59017 | ND |
| 2015-07-16 | AC99974 | ND |
| 2015-07-16 | AC99968 | ND |
| 2016-08-02 | AD46681 | ND |
| 2016-08-02 | AD46683 | ND |
| 2017-07-13 | AD89317 | ND |
| 2017-07-13 | AD89315 | ND |
| 2018-08-29 | AE38809 | ND |
| 2018-08-29 | AE38819 | ND |
| 2019-09-06 | AE82531 | ND |
| 2019-09-06 | AE82527 | ND |