trans-1,2-Dichloroethylene
Ft. A P Hill - Headquarters
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 | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | ND | 5 | 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 |
---|---|---|
2014-02-06 | 11542VOC | ND |
2014-02-07 | 11498 | ND |
2014-06-18 | 11578VOC | ND |
2017-04-11 | 15033-VOC | ND |
2017-04-24 | 15099VOC | ND |
2018-01-12 | 16126 | ND |
2018-01-22 | 16153-3 | ND |
2018-04-11 | PR383EP28 | ND |
2018-07-16 | PR772-01 | ND |
2018-10-10 | PR1127-01VOC | ND |
2019-01-16 | PR1457-1 | ND |