cis-1,2-Dichloroethylene
Calcasieu Parish WW District No 1
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
18
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 | 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) 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted 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 |