trans-1,2-Dichloroethylene
Fairmont, Town of
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 6 | 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 |
---|---|---|
2014-03-13 | DW21704_L688122- | ND |
2014-06-04 | DW21704_L703307- | ND |
2014-09-16 | DW21704_L722273- | ND |
2014-11-19 | DW21704_L735057- | ND |
2015-03-25 | ND | |
2015-06-17 | ND | |
2015-09-10 | ND | |
2015-11-19 | ND | |
2016-02-18 | DW21704_L818809- | ND |
2016-02-18 | DW21704_L818809- | ND |
2016-02-18 | DW21704_L818809- | ND |
2017-12-28 | DW21704_L960294- | ND |
2018-12-20 | DW21704_L1055648 | ND |
2019-02-14 | L1070663-01 | ND |
2019-02-14 | L1070663-03 | ND |
2019-02-14 | L1070663-04 | ND |
2019-06-26 | L1113950-01 | ND |
2019-10-17 | L1151635-02 | ND |
2019-10-31 | L1156367-01 | ND |