cis-1,2-Dichloroethylene
Lackland Air Force Base
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 | 1 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 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
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 |
---|---|---|
2014-04-09 | AC49947 | ND |
2015-02-27 | AC82352 | ND |
2015-02-27 | AC82364 | ND |
2015-02-27 | AC82358 | ND |
2015-02-27 | AC82360 | ND |
2016-03-08 | AD27603 | ND |
2016-03-08 | AD27611 | ND |
2016-03-08 | AD27601 | ND |
2016-03-08 | AD27605 | ND |
2016-12-12 | AD61662 | ND |
2017-03-02 | AD73142 | ND |
2017-03-02 | AD73180 | ND |
2017-03-02 | AD73134 | ND |
2017-03-02 | AD73166 | ND |
2017-12-08 | AE07431 | ND |
2018-04-11 | AE22091 | ND |
2018-04-11 | AE22075 | ND |
2018-04-11 | AE22071 | ND |
2018-04-11 | AE22073 | ND |
2019-01-25 | AE51666 | ND |
2019-04-11 | AE62078 | ND |
2019-04-11 | AE62080 | ND |
2019-04-11 | AE62076 | ND |