trans-1,2-Dichloroethylene
Manville WSC
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 4 | 0 | ND |
2015 | ND | 10 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 7 | 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 |
---|---|---|
2014-03-11 | AC46497 | ND |
2014-06-18 | AC57300 | ND |
2014-06-18 | AC57298 | ND |
2014-06-18 | AC57302 | ND |
2015-03-19 | AC85365 | ND |
2015-03-19 | AC85351 | ND |
2015-03-19 | AC85369 | ND |
2015-03-19 | AC85367 | ND |
2015-03-19 | AC85357 | ND |
2015-05-26 | AC93312 | ND |
2015-05-26 | AC93310 | ND |
2015-05-26 | AC93308 | ND |
2015-09-29 | AD09009 | ND |
2015-11-18 | AD14027 | ND |
2016-04-25 | AD34023 | ND |
2016-04-25 | AD34021 | ND |
2016-04-25 | AD34013 | ND |
2016-04-25 | AD34015 | ND |
2016-04-25 | AD34019 | ND |
2016-04-25 | AD34017 | ND |
2016-11-09 | AD57440 | ND |
2017-01-23 | AD66094 | ND |
2017-01-23 | AD66090 | ND |
2017-01-23 | AD66092 | ND |
2017-04-27 | AD81516 | ND |
2017-04-27 | AD81518 | ND |
2017-04-27 | AD81514 | ND |
2017-04-27 | AD81512 | ND |
2018-02-01 | AE11895 | ND |
2018-02-01 | AE11889 | ND |
2018-02-01 | AE11893 | ND |
2018-02-01 | AE11887 | ND |
2018-02-01 | AE11881 | ND |
2018-02-01 | AE11885 | ND |
2018-02-01 | AE11883 | ND |
2019-02-06 | AE53188 | ND |
2019-02-06 | AE53184 | ND |
2019-02-06 | AE53182 | ND |
2019-02-06 | AE53180 | ND |
2019-02-06 | AE53186 | ND |
2019-09-12 | AE83244 | ND |
2019-09-30 | AE85125 | ND |