cis-1,2-Dichloroethylene
Fort Bend County Municipal Utility District 106
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 | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-04-15 | AC50601 | ND |
2015-07-16 | AC99958 | ND |
2015-07-16 | AC99948 | ND |
2016-02-17 | AD23977 | ND |
2016-02-17 | AD23971 | ND |
2017-02-21 | AD71276 | ND |
2017-10-17 | AE01097 | ND |
2018-02-05 | AE12241 | ND |
2018-04-10 | AE21898 | ND |
2019-01-23 | AE50985 | ND |
2019-01-23 | AE50989 | ND |