trans-1,2-Dichloroethylene
Bermuda Water Company Inc
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 | 1 | 0 | ND |
2016 | ND | 11 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-02-12 | 550-19544-1V | ND |
2014-05-19 | 550-24897-1V | ND |
2015-07-22 | 550-48346-1 | ND |
2016-03-14 | 550-60303-2V | ND |
2016-05-23 | 550-63814-5V | ND |
2016-05-23 | 550-63814-4 | ND |
2016-05-23 | 550-63814-3V | ND |
2016-05-23 | 550-63814-2 | ND |
2016-05-23 | 550-63814--1 | ND |
2016-05-24 | 550-63893-3V | ND |
2016-05-24 | 550-63893-2V | ND |
2016-05-24 | 550-63893-1V | ND |
2016-09-19 | 550-69948-5 | ND |
2016-10-10 | 550-70906-1V | ND |
2017-03-27 | 550-80073-2 | ND |
2017-03-27 | 550-80073-1 | ND |
2017-06-07 | 550-84110-1 | ND |
2017-08-15 | 550-88177-1 | ND |
2017-10-10 | 550-91367-9 | ND |
2018-01-24 | 550-96874-2VOC | ND |
2018-01-24 | 550-96874-1 | ND |
2018-04-10 | 550-100999-1 VOC | ND |
2018-07-25 | 550-106760-1 VOC | ND |
2018-10-24 | 550-112349-1V | ND |
2019-05-13 | 550-122809-1 VOC | ND |
2019-05-13 | 550-122809-3 VOC | ND |
2019-05-13 | 550-122809-2 VOC | ND |