trans-1,2-Dichloroethylene
Greenville Utilities Comm.
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 | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-08-28 | 37729_14-26228 | ND |
2014-08-28 | 37729_14-26229 | ND |
2014-08-28 | 37729_14-26230 | ND |
2014-08-28 | 37729_14-26226 | ND |
2015-08-24 | ND | |
2015-08-24 | ND | |
2015-08-24 | ND | |
2015-08-24 | ND | |
2015-08-25 | ND | |
2016-08-08 | 37729_16-26928 | ND |
2016-08-08 | 37729_16-26930 | ND |
2016-08-08 | 37729_16-26932 | ND |
2016-08-08 | 37729_16-26933 | ND |
2016-08-09 | 37729_16-26927 | ND |
2017-08-10 | 37729_17-28551 | ND |
2017-08-10 | 37729_17-28561 | ND |
2017-08-10 | 37729_17-28560 | ND |
2017-08-10 | 37729_17-28556 | ND |
2017-08-10 | 37729_17-28555 | ND |
2018-08-23 | 37729_18-35467 | ND |
2018-08-23 | 37729_18-35469 | ND |
2018-08-23 | 37729_18-35471 | ND |
2018-08-23 | 37729_18-35472 | ND |
2018-08-23 | 37729_18-35473 | ND |
2019-08-22 | 37729_19-36231 | ND |
2019-08-22 | 37729_19-36232 | ND |
2019-08-22 | 37729_19-36233 | ND |
2019-08-22 | 37729_19-36234 | ND |