cis-1,2-Dichloroethylene
Travis County WCID 17
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.
12
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 | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 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) 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 |
|---|---|---|
| 2014-09-09 | AC66327 | ND |
| 2015-09-09 | AD06275 | ND |
| 2016-07-27 | AD46012 | ND |
| 2016-07-27 | AD46020 | ND |
| 2016-11-07 | AD56855 | ND |
| 2017-01-26 | AD67155 | ND |
| 2017-05-24 | AD85496 | ND |
| 2017-08-10 | AD92773 | ND |
| 2018-03-06 | AE16976 | ND |
| 2018-08-15 | AE37198 | ND |
| 2019-01-23 | AE50949 | ND |
| 2019-09-11 | AE83037 | ND |