trans-1,2-Dichloroethylene
City of Elko
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 | 4 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 14 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 17 | 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 |
---|---|---|
2014-05-07 | A4E0883-01 | ND |
2014-07-21 | A4G2269-01 | ND |
2014-07-23 | 1416770-01 | ND |
2014-07-23 | 1416779-01 | ND |
2015-05-19 | A5E1802-01 | ND |
2015-08-24 | 1521530-01 | ND |
2016-03-23 | A6C2465-01-VOC | ND |
2016-03-23 | A6C2467-01-VOC | ND |
2016-03-23 | A6C2464-01 | ND |
2016-05-02 | A6E0437-01 | ND |
2016-05-02 | A6E0431-01-VOC | ND |
2016-06-01 | A6F0364-01-VOC | ND |
2016-06-01 | A6F0362-01-VOC | ND |
2016-06-01 | A6F0363-01-VOC | ND |
2016-06-20 | A6F2386-01 | ND |
2016-06-20 | A6F2388-01 | ND |
2016-06-20 | A6F2387-01 | ND |
2016-06-21 | A6F2667-01-VOC | ND |
2016-06-28 | A6F3151-01 | ND |
2016-07-20 | 1620227-01-VOC | ND |
2017-07-25 | 1720763-01 | ND |
2017-07-25 | 1720764-01 | ND |
2017-07-26 | 1720765-01 | ND |
2018-08-07 | 18080447-02A | ND |
2018-08-14 | 1826039-01 | ND |
2019-08-19 | B19081921-001 | ND |
2019-08-19 | B19081870-001 | ND |
2019-08-20 | B19082034-001A | ND |
2019-08-20 | B19082032-001 | ND |
2019-08-21 | B19082177-001 | ND |
2019-08-21 | B19082173-001A | ND |
2019-08-27 | 1929286-01 | ND |
2019-08-27 | 1929287-01 | ND |
2019-08-27 | 1929285-01 | ND |
2019-08-27 | 1929284-01 | ND |
2019-08-27 | 1929283-01 | ND |
2019-08-28 | 1929290-01 | ND |
2019-09-04 | B19090361-001A | ND |
2019-09-16 | A9I2532-01 | ND |
2019-10-28 | B19102498-001 | ND |
2019-10-28 | A9J3184-01 | ND |
2019-12-09 | A9L1484-01 | ND |