trans-1,2-Dichloroethylene
City of Grenada
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 12 | 0 | ND |
2018 | ND | 12 | 0 | ND |
2019 | ND | 12 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The legal limit for trans-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 |
---|---|---|
2016-09-27 | 160928-025VO | ND |
2016-09-27 | 160928-024VO | ND |
2016-09-27 | 160928-023VO | ND |
2017-02-27 | 170228-017VO | ND |
2017-02-27 | 170228-016VO | ND |
2017-02-27 | 170228-015VO | ND |
2017-05-15 | 170516-018VO | ND |
2017-05-15 | 170516-017VO | ND |
2017-05-15 | 170516-016VO | ND |
2017-09-11 | 170912-004VO | ND |
2017-09-11 | 170912-002VO | ND |
2017-09-11 | 170912-003VO | ND |
2017-10-30 | 171031-007VO | ND |
2017-10-30 | 171031-006VO | ND |
2017-10-30 | 171031-005VO | ND |
2018-01-24 | 180125-014VO | ND |
2018-01-24 | 180125-013VO | ND |
2018-01-24 | 180125-012VO | ND |
2018-04-24 | 180425-018VO | ND |
2018-04-24 | 180425-019VO | ND |
2018-04-24 | 180425-017VO | ND |
2018-08-08 | 180809-011VO | ND |
2018-08-08 | 180809-010VO | ND |
2018-08-08 | 180809-009VO | ND |
2018-10-09 | 181010-005VO | ND |
2018-10-09 | 181010-004VO | ND |
2018-10-09 | 181010-003VO | ND |
2019-02-25 | 190226-015VO | ND |
2019-02-25 | 190226-014VO | ND |
2019-02-25 | 190226-016VO | ND |
2019-04-24 | 190425-003VO | ND |
2019-04-24 | 190425-002VO | ND |
2019-04-24 | 190425-001VO | ND |
2019-08-08 | 190809-014VO | ND |
2019-08-08 | 190809-013VO | ND |
2019-08-08 | 190809-012VO | ND |
2019-10-17 | 191018-005VO | ND |
2019-10-17 | 191018-007VO | ND |
2019-10-17 | 191018-006VO | ND |