cis-1,2-Dichloroethylene
Silverdale Water District 16
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 11 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-08-20 | 39383 | ND |
2015-08-20 | 39382 | ND |
2015-08-20 | 39381 | ND |
2015-08-20 | 39380 | ND |
2015-08-20 | 39379 | ND |
2015-08-20 | 39378 | ND |
2015-08-21 | 40225 | ND |
2015-08-21 | 40224 | ND |
2015-08-21 | 40223 | ND |
2015-08-21 | 40222 | ND |
2015-08-21 | 40221 | ND |
2016-01-25 | ND | |
2018-09-04 | ND |