trans-1,2-Dichloroethylene
Hopewell Borough Water Department
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 | 4 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 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 |
---|---|---|
2014-02-19 | 4020339-01 | ND |
2014-05-21 | 4050626-01 | ND |
2014-08-13 | 4080430-01 | ND |
2014-11-12 | 4110338-01 | ND |
2015-02-04 | 5020069-01 | ND |
2015-06-04 | 5060117-01 | ND |
2015-08-26 | 5080796-01 | ND |
2015-11-18 | 5110586-01 | ND |
2016-02-17 | 6020469-01 | ND |
2016-05-16 | 6050521-01 | ND |
2016-08-15 | 6080511-01 | ND |
2016-11-14 | 6110437-01 | ND |
2016-11-30 | 6110878-01 | ND |
2017-02-15 | 7020454-01 | ND |
2017-05-16 | 7050600-01 | ND |
2017-08-14 | 7080547-01 | ND |
2017-11-15 | 7110547-01 | ND |
2018-02-14 | 8020452-01 | ND |
2018-05-21 | 8050906-01 | ND |
2018-08-02 | 8080106-01 | ND |
2018-11-14 | 8110582-01 | ND |
2019-02-07 | 9020311-01 | ND |
2019-05-20 | 9050982-01 | ND |
2019-08-06 | 9080246-01 | ND |
2019-11-18 | 9110766-01 | ND |