cis-1,2-Dichloroethylene
Wasilla Water System
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.
17
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2016-03-18 | VO*280-81073-2 | ND |
| 2016-03-18 | VO*280-81075-1 | ND |
| 2016-03-18 | VO*280-81075-2 | ND |
| 2016-03-18 | VO*280-81073-1 | ND |
| 2018-10-15 | VO*4093075 | ND |
| 2018-10-15 | VO*4093069 | ND |
| 2018-11-26 | VO*4135595 | ND |
| 2018-12-04 | VO*4143547 | ND |
| 2018-12-04 | VO*4143548 | ND |
| 2019-05-14 | 440-242176-1 | ND |
| 2019-07-16 | 440-246251-1 | ND |
| 2019-07-16 | 440-246251-4 | ND |
| 2019-07-17 | 440-246251-3 | ND |
| 2019-07-17 | 440-246251-5 | ND |
| 2019-07-17 | 440-246251-6 | ND |
| 2019-07-17 | 440-246251-2 | ND |
| 2019-11-07 | 440-254526-1 | ND |