cis-1,2-Dichloroethylene
Riverside Highland Water Company
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-06 | 4790-011-0848 | ND |
2014-07-07 | 4790-008-0830 | ND |
2014-10-06 | 4790-010-1041 | ND |
2015-04-01 | 4790-003-1000 | ND |
2016-07-06 | 4790-009-0945 | ND |
2016-10-04 | 4790-012-0825 | ND |
2017-01-05 | 4790-011-1030 | ND |
2017-06-13 | 5810-003-1006 | ND |
2017-07-06 | 5810-008-1225 | ND |