trans-1,2-Dichloroethylene
City of Pineville Water System
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 | N/A | 0 | 0 | N/A |
2016 | ND | 22 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 18 | 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 |
---|---|---|
2014-03-10 | AD89665 | ND |
2014-03-10 | AD89665 | ND |
2016-09-15 | 35265896005 | ND |
2016-09-15 | 35265896005 | ND |
2016-09-28 | 35268029012 | ND |
2016-09-28 | 35268029009 | ND |
2016-09-28 | 35268029010 | ND |
2016-09-28 | 35268029011 | ND |
2016-09-28 | 35268029012 | ND |
2016-09-28 | 35268029013 | ND |
2016-09-28 | 35268029011 | ND |
2016-09-28 | 35268029010 | ND |
2016-09-28 | 35268029009 | ND |
2016-09-28 | 35268029013 | ND |
2016-10-05 | 35271142004 | ND |
2016-10-05 | 35271142003 | ND |
2016-10-05 | 35271142003 | ND |
2016-10-05 | 35271142002 | ND |
2016-10-05 | 35271142001 | ND |
2016-10-05 | 35271142004 | ND |
2016-10-05 | 35271142002 | ND |
2016-10-05 | 35271142001 | ND |
2016-12-15 | 35283877001 | ND |
2016-12-15 | 35283877001 | ND |
2017-09-27 | 35338974001 | ND |
2017-09-27 | 35338974001 | ND |
2019-07-18 | 35483366003 | ND |
2019-07-18 | 35483366005 | ND |
2019-07-18 | 35483366004 | ND |
2019-07-18 | 35483366002 | ND |
2019-07-18 | 35483366001 | ND |
2019-07-18 | 35483366001 | ND |
2019-07-18 | 35483366002 | ND |
2019-07-18 | 35483366003 | ND |
2019-07-18 | 35483366004 | ND |
2019-07-18 | 35483366005 | ND |
2019-07-25 | 35485313001 | ND |
2019-07-25 | 35485313004 | ND |
2019-07-25 | 35485313003 | ND |
2019-07-25 | 35485313002 | ND |
2019-07-25 | 35485313001 | ND |
2019-07-25 | 35485313004 | ND |
2019-07-25 | 35485313003 | ND |
2019-07-25 | 35485313002 | ND |