cis-1,2-Dichloroethylene
UC - Davis
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 | ND | 7 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 6 | 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 |
---|---|---|
2014-03-25 | 5810-026-1050 | ND |
2014-05-20 | 5810-026-0650 | ND |
2014-09-04 | 5810-001-0742 | ND |
2014-09-04 | 5810-002-0929 | ND |
2014-09-04 | 5810-004-0953 | ND |
2014-09-04 | 5810-015-1305 | ND |
2014-09-04 | 5810-026-0850 | ND |
2015-02-19 | 5810-014-1030 | ND |
2015-03-24 | 5810-026-0900 | ND |
2017-09-27 | 5810-001-1040 | ND |
2017-09-27 | 5810-002-1225 | ND |
2017-09-27 | 5810-004-1020 | ND |
2017-09-27 | 5810-014-1205 | ND |
2017-09-27 | 5810-015-0940 | ND |
2017-09-27 | 5810-026-1005 | ND |