1,1-Dichloroethylene
Calcasieu Parish WW District No 1
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 6 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-03-31 | AD90299 | ND |
2014-03-31 | AD90298 | ND |
2014-03-31 | AD90297 | ND |
2014-03-31 | AD90297 | ND |
2014-03-31 | AD90298 | ND |
2014-03-31 | AD90299 | ND |
2016-10-24 | 35272382001 | ND |
2016-10-24 | 35272382001 | ND |
2017-03-13 | 35300929001 | ND |
2017-03-13 | 35300929004 | ND |
2017-03-13 | 35300929003 | ND |
2017-03-13 | 35300929002 | ND |
2017-03-13 | 35300929001 | ND |
2017-03-13 | 35300929004 | ND |
2017-03-13 | 35300929003 | ND |
2017-03-13 | 35300929002 | ND |
2019-07-16 | 35483171001 | ND |
2019-07-16 | 35483171001 | ND |