trans-1,2-Dichloroethylene
City of El Mirage
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 | 6 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 11 | 0 | ND |
2017 | ND | 8 | 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 |
---|---|---|
2014-02-11 | 4020905-09V | ND |
2014-02-11 | 4020905-08V | ND |
2014-02-11 | 4020905-07V | ND |
2014-02-11 | 4020905-06V | ND |
2014-02-11 | 4020905-05V | ND |
2014-02-11 | 4020905-01V | ND |
2015-01-26 | 5012031-01V | ND |
2015-01-26 | 5012030-01V | ND |
2015-01-26 | 5012029-01V | ND |
2015-01-26 | 5012026-01V | ND |
2015-01-26 | 5012025-01V | ND |
2016-03-07 | 6030608-01V | ND |
2016-05-23 | 6051917-01 | ND |
2016-09-13 | 6091229-01 | ND |
2016-09-14 | 6091229-03 | ND |
2016-09-16 | 6091435-03 | ND |
2016-09-16 | 6091435-02 | ND |
2016-09-16 | 6091435-01 | ND |
2016-09-21 | 6091854-02V | ND |
2016-09-21 | 6091854-01V | ND |
2016-09-27 | 6092333-01V | ND |
2016-12-29 | 6122336-01 | ND |
2017-03-09 | 7030873-01V | ND |
2017-03-09 | 7030871-01V | ND |
2017-03-09 | 7030869-01V | ND |
2017-03-13 | 7031073-01V | ND |
2017-03-16 | 7031500-01V | ND |
2017-03-16 | 7031498-01V | ND |
2017-03-16 | 7031494-01V | ND |
2017-06-30 | 7062823-01VOC | ND |
2018-02-21 | 18B2021-01 | ND |
2018-02-21 | 18B2011-01VOC | ND |
2018-02-28 | 18B2665-01 | ND |
2018-05-15 | 18E1595-05 VOC | ND |
2018-05-15 | 18E1595-04 VOC | ND |
2018-05-15 | 18E1595-03 VOC | ND |
2018-05-15 | 18E1595-02 VOC | ND |
2018-05-15 | 18E1595-01 VOC | ND |
2018-05-24 | 18E2565-01 VOC | ND |
2018-06-27 | 18F2770-01 VOC | ND |
2018-09-28 | 18I2749-01 | ND |
2018-10-31 | 18J3309-02 | ND |
2019-01-31 | 19A3296-01 | ND |
2019-04-18 | 19D2239-01 | ND |
2019-04-30 | 19D3255-01 | ND |
2019-04-30 | 19D3251-01 | ND |
2019-05-01 | 19E0140-01 | ND |
2019-05-01 | 19E0136-01 | ND |
2019-05-01 | 19E0134-01 | ND |
2019-06-10 | 19F1007-01 | ND |
2019-06-20 | 19F2265-01 | ND |
2019-06-24 | 19F2482-01 | ND |
2019-07-02 | 19G0397-01 | ND |
2019-10-09 | 19J1316-02 | ND |