trans-1,2-Dichloroethylene
Mount Olive Township Water Department Sand
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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-03-12 | 340312116 | ND |
| 2014-06-10 | 340610136 | ND |
| 2014-08-12 | 340812110 | ND |
| 2014-10-30 | 341030056 | ND |
| 2015-03-17 | 350317088 | ND |
| 2015-06-09 | 350610207 | ND |
| 2015-07-21 | 350721097 | ND |
| 2015-11-04 | 351104126 | ND |
| 2016-03-23 | 360323104 | ND |
| 2016-06-14 | 360614178 | ND |
| 2016-08-17 | 360817121 | ND |
| 2016-10-27 | 361027100 | ND |
| 2017-03-22 | 370322080 | ND |
| 2017-05-24 | 370524110 | ND |
| 2017-07-25 | 370725098 | ND |
| 2017-11-08 | 371108147 | ND |
| 2018-03-20 | 380320180 | ND |
| 2018-06-13 | 380613159 | ND |
| 2018-07-18 | 380718185 | ND |
| 2019-01-15 | 390115195 | ND |
| 2019-04-16 | 390417217 | ND |
| 2019-07-25 | 390725040 | ND |
| 2019-10-16 | 391016245 | ND |