1,1-Dichloroethylene
Calcasieu Parish WW District 9 Carlyss
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
16
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 4 | 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 | AD89324 | ND |
| 2014-02-24 | AD89324 | ND |
| 2014-03-31 | AD90300 | ND |
| 2014-03-31 | AD90300 | ND |
| 2016-05-02 | 35242594003 | ND |
| 2016-05-02 | 35242594003 | ND |
| 2016-11-29 | 35280047006 | ND |
| 2016-11-29 | 35280047007 | ND |
| 2016-11-29 | 35280047006 | ND |
| 2016-11-29 | 35280047007 | ND |
| 2018-10-16 | 35425105001 | ND |
| 2018-10-16 | 35425105001 | ND |
| 2019-10-22 | 35507223001 | ND |
| 2019-10-22 | 35507223001 | ND |
| 2019-10-29 | 35508706001 | ND |
| 2019-10-29 | 35508706001 | ND |