cis-1,2-Dichloroethylene
City of San Luis
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 | 2 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 6 | 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 |
---|---|---|
2014-02-13 | 479280-003-2 | ND |
2014-02-13 | 479280-003-1 | ND |
2015-05-20 | 508161-07D | ND |
2015-05-20 | 508161-07C | ND |
2015-05-20 | 508161-07B | ND |
2015-05-20 | 508161-07A | ND |
2015-05-20 | 508161-008B | ND |
2015-05-20 | 508161-008A | ND |
2016-05-23 | 530530-002 | ND |
2016-05-23 | 530530-001 | ND |
2017-06-05 | 554618-002 | ND |
2017-06-05 | 554618-001 | ND |
2018-03-27 | 201803280588V | ND |
2018-03-27 | 201803280599V | ND |
2018-03-27 | 201803280598V | ND |
2018-03-27 | 201803280597V | ND |
2018-03-27 | 201803280596V | ND |
2018-03-27 | 201803280589V | ND |