trans-1,2-Dichloroethylene
Cedar Falls Acres Mobile Home Park
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 | 2 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-09-04 | 155134001 | ND |
2014-12-11 | 172425001 | ND |
2015-03-24 | 184915001 | ND |
2015-06-24 | 202048001 | ND |
2015-09-14 | 217339001 | ND |
2015-12-17 | 233338001 | ND |
2016-03-28 | 705337 | ND |
2016-09-28 | 281101001 | ND |
2016-11-07 | 287856001 | ND |
2017-03-28 | 306584001 | ND |
2017-06-28 | 325298001 | ND |
2017-09-28 | 345843001 | ND |
2017-11-27 | 356248001 | ND |
2018-08-21 | 1075273 | ND |
2018-12-26 | 425684001 | ND |
2019-09-26 | 473087001 | ND |