cis-1,2-Dichloroethylene
Marco Rural Water Company
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 8 | 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 |
---|---|---|
2014-03-04 | AD36307 | ND |
2014-06-10 | AD41057 | ND |
2019-12-02 | AE40915 | ND |
2019-12-02 | AE40929 | ND |
2019-12-03 | AE41076 | ND |
2019-12-03 | AE41048 | ND |
2019-12-03 | AE41049 | ND |
2019-12-03 | AE41072 | ND |
2019-12-03 | AE41074 | ND |
2019-12-30 | AE42210 | ND |