1,1-Dichloroethylene
City of Alice
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-02-24 | AC44300 | ND |
| 2014-05-20 | AC54676 | ND |
| 2014-09-08 | AC66048 | ND |
| 2014-11-10 | AC71639 | ND |
| 2015-03-02 | AC82372 | ND |
| 2016-02-08 | AD22455 | ND |
| 2017-04-26 | AD81223 | ND |
| 2018-02-05 | AE12235 | ND |
| 2019-02-13 | AE54353 | ND |