1,1-Dichloroethylene
City of Galena Park
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | 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 |
|---|---|---|
| 2014-02-05 | AC41515 | ND |
| 2015-01-23 | AC77611 | ND |
| 2015-01-23 | AC77605 | ND |
| 2016-01-27 | AD20399 | ND |
| 2016-01-27 | AD20395 | ND |
| 2017-01-20 | AD66088 | ND |
| 2017-01-20 | AD66096 | ND |
| 2018-02-01 | AE11927 | ND |
| 2018-02-01 | AE11929 | ND |
| 2019-01-24 | AE51263 | ND |
| 2019-01-24 | AE51265 | ND |