cis-1,2-Dichloroethylene
Parkhouse
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 | 1 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-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 |
---|---|---|
2014-04-02 | L4974224-1 | ND |
2014-04-28 | L5026034-1 | ND |
2014-11-07 | L5300357-1 | ND |
2015-01-29 | 12285027 | ND |
2015-04-01 | 12630989 | ND |
2015-07-22 | 13010771 | ND |
2015-10-09 | 13387316 | ND |
2016-02-19 | 13868675 | ND |
2016-05-04 | 14248930 | ND |
2016-09-07 | 14906163 | ND |
2016-10-19 | 15073647 | ND |
2017-01-17 | 15515333 | ND |
2017-05-19 | 16255531 | ND |
2017-07-21 | 16411220 | ND |
2018-05-23 | L6992345-1 | ND |
2019-05-09 | L7110022-1 | ND |