trans-1,2-Dichloroethylene
Hopatcong 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 | 9 | 0 | ND |
2015 | ND | 13 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 1 | 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 | 25509-12 | ND |
2014-02-19 | 25509-11 | ND |
2014-02-19 | 25509-10 | ND |
2014-02-19 | 25509-9 | ND |
2014-02-19 | 25509-13 | ND |
2014-02-20 | 22546-1 | ND |
2014-07-11 | 27738-6 | ND |
2014-09-11 | 28828-1B | ND |
2014-12-16 | 30356-3A | ND |
2015-01-22 | 30916-1 | ND |
2015-01-22 | 30916-2 | ND |
2015-01-22 | 30916-3 | ND |
2015-03-02 | 31480-2 | ND |
2015-03-02 | 31480-3 | ND |
2015-03-02 | 31480-1 | ND |
2015-04-08 | DWS132-8 | ND |
2015-04-08 | DWS132-9 | ND |
2015-07-07 | DWS1053-2 | ND |
2015-07-07 | DWS1053-1 | ND |
2015-07-07 | DWS1053-3 | ND |
2015-10-15 | DWSC597-1 | ND |
2015-10-15 | DWSC597-2 | ND |
2016-07-06 | DWSC1771-17 | ND |
2016-10-25 | DWSC2301-1 | ND |
2017-07-06 | DWSC3435-1 | ND |
2018-04-23 | DWSC5163-5 | ND |
2018-04-23 | DWSC5163-2 | ND |
2018-04-23 | DWSC5163-4 | ND |
2018-04-23 | DWSC5163-1 | ND |
2018-04-23 | DWSC5163-3 | ND |
2018-04-24 | DWSC5166-1 | ND |
2018-05-02 | DWSC5218-1 | ND |
2018-08-15 | 18081504-01 | ND |
2019-08-02 | 19080134-001 | ND |