cis-1,2-Dichloroethylene
City of Bandera
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 | ND | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-05-01 | AC52597 | ND |
2014-05-01 | AC52591 | ND |
2015-01-14 | AC76215 | ND |
2015-01-14 | AC76205 | ND |
2015-01-14 | AC76231 | ND |
2015-05-26 | AC93276 | ND |
2016-01-21 | AD19277 | ND |
2016-02-08 | AD22471 | ND |
2017-06-28 | AD88048 | ND |
2017-06-28 | AD88044 | ND |
2018-02-15 | AE14143 | ND |
2018-02-15 | AE14111 | ND |
2018-05-30 | AE28057 | ND |
2018-09-18 | AE40785 | ND |
2018-10-31 | AE45056 | ND |
2019-01-10 | AE49333 | ND |
2019-01-10 | AE49323 | ND |
2019-01-10 | AE49329 | ND |