trans-1,2-Dichloroethylene
Monroe Township Utility 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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 8 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-01-09 | 4010206-01 | ND |
| 2014-01-09 | 4010206-04 | ND |
| 2014-01-09 | 4010206-03 | ND |
| 2014-01-09 | 4010206-02 | ND |
| 2014-03-20 | 4030495-01 | ND |
| 2014-03-25 | 4030621-01 | ND |
| 2014-04-08 | 4040269-01 | ND |
| 2014-07-01 | 4070047-01 | ND |
| 2015-01-13 | 5010235-01 | ND |
| 2015-04-07 | 5040173-01 | ND |
| 2015-07-16 | 5070522-01 | ND |
| 2015-08-04 | 5080082-01 | ND |
| 2015-10-08 | 5100269-01 | ND |
| 2016-01-05 | 6010055-01 | ND |
| 2016-03-03 | 6030144-01 | ND |
| 2016-04-05 | 6040135-01 | ND |
| 2016-07-05 | 6070181-01 | ND |
| 2016-10-04 | 6100066-01 | ND |
| 2017-01-04 | 7010076-01 | ND |
| 2017-01-19 | 7010497-01 | ND |
| 2017-01-19 | 7010497-02 | ND |
| 2017-02-16 | 7020479-01 | ND |
| 2017-08-03 | 7080167-01 | ND |
| 2017-11-02 | 7110106-01 | ND |
| 2018-01-03 | 8010099-01 | ND |
| 2018-01-09 | 8010187-01 | ND |
| 2018-04-03 | 380405133 | ND |
| 2018-07-09 | 380710757 | ND |
| 2018-10-02 | 381002722 | ND |
| 2019-01-15 | 390115722 | ND |
| 2019-01-15 | 390115721 | ND |
| 2019-04-16 | 390416743 | ND |
| 2019-07-16 | 390716722 | ND |
| 2019-10-16 | 391017758 | ND |