trans-1,2-Dichloroethylene
City of Inglewood
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 | 3 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-03-26 | 9588-018-1050 | ND |
2014-03-26 | 9588-013-1030 | ND |
2014-08-27 | 9588-002-1120 | ND |
2015-02-19 | 9588-013-1048 | ND |
2015-02-19 | 9588-018-1108 | ND |
2015-05-27 | 9588-002-1035 | ND |
2015-12-11 | 9588-001-1000 | ND |
2016-06-30 | 9588-018-1110 | ND |
2016-09-28 | 9588-002-1000 | ND |
2016-09-28 | 9588-013-0940 | ND |
2016-11-10 | 9588-001-1030 | ND |
2017-02-23 | 9590-001-1205 | ND |
2017-08-23 | 9590-002-1115 | ND |
2017-08-23 | 9590-018-1045 | ND |
2018-02-14 | 9588-001-0955 | ND |
2018-08-23 | 9588-002-1000 | ND |
2018-08-23 | 9588-018-0940 | ND |
2018-12-13 | 9588-013-0945 | ND |
2019-08-19 | 9588-002-1150 | ND |
2019-08-19 | 9588-018-1130 | ND |
2019-08-26 | 9588-001-0000 | ND |
2019-11-18 | 9588-001-1125 | ND |