trans-1,2-Dichloroethylene
New Holland Borough
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 | 10 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 3 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-02-25 | 1073202001 | ND |
2014-02-25 | 1073202002 | ND |
2014-06-17 | 2012894001 | ND |
2014-06-17 | 2012894002 | ND |
2014-08-19 | 2024391003 | ND |
2014-08-19 | 2024391004 | ND |
2014-08-19 | 2024391005 | ND |
2014-08-26 | 2025562001 | ND |
2014-11-18 | 2040667004 | ND |
2014-11-18 | 2040667005 | ND |
2015-11-17 | 13604757 | ND |
2017-11-20 | 17130316 | ND |
2017-11-20 | 17130340 | ND |
2017-11-20 | 17130364 | ND |
2018-09-17 | 2338728003 | ND |
2018-12-19 | 3006664002 | ND |
2019-03-05 | 9024557-01 | ND |
2019-06-04 | 9050534-01 | ND |
2019-08-20 | 9081282-01 | ND |
2019-12-03 | 9111276-01 | ND |