trans-1,2-Dichloroethylene
City of Kuna
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 | 5 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-03-25 | V1410405 | ND |
2014-05-13 | V1416899 | ND |
2014-05-13 | V1416902 | ND |
2014-08-12 | V1431152 | ND |
2014-08-12 | V1431153 | ND |
2016-07-21 | V1632419 | ND |
2016-08-04 | V1635082 | ND |
2016-10-05 | V1645684 | ND |
2017-02-22 | V1707039 | ND |
2017-06-13 | V1724939 | ND |
2017-09-26 | V1744576 | ND |
2017-12-19 | V1758821 | ND |
2018-03-26 | V1812803 | ND |
2018-06-20 | V1828518 | ND |
2018-09-25 | V1847685 | ND |
2019-09-19 | V1947335 | ND |