cis-1,2-Dichloroethylene
City of Lathrop
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 | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2014-04-01 | 1610-005-0905 | ND |
2015-04-07 | 1610-006-0832 | ND |
2015-04-07 | 1610-007-0854 | ND |
2016-04-05 | 9590-008-0908 | ND |
2016-04-19 | 9590-016-0808 | ND |
2017-04-03 | 9590-005-1012 | ND |
2018-07-23 | 5867-006-0837 | ND |
2018-07-23 | 5867-007-0810 | ND |
2019-06-03 | 5867-008-0905 | ND |
2019-06-03 | 5867-016-0918 | ND |