cis-1,2-Dichloroethylene
Plumas Lake
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 | 4 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-03-12 | 5810-005-0915 | ND |
2014-04-09 | 5810-005-0918 | ND |
2014-04-09 | 5810-007-0900 | ND |
2014-08-21 | 1233-007-0852 | ND |
2014-09-25 | 1233-005-0835 | ND |
2014-11-24 | 1233-007-0901 | ND |
2014-12-18 | 1233-005-0844 | ND |
2015-01-13 | 1233-005-0745 | ND |
2015-01-13 | 1233-007-0743 | ND |
2015-04-22 | 1610-005-0837 | ND |
2015-04-22 | 1610-007-0831 | ND |
2016-02-23 | 1610-005-1428 | ND |
2017-04-10 | 1610-005-1007 | ND |
2018-04-19 | 1610-005-0908 | ND |
2019-04-18 | 1610-005-0846 | ND |
2019-09-26 | 1610-001-0925 | ND |