1,1-Dichloroethylene
City of Farmersville
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 7 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 7 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-09-23 | 5867-001-1125 | ND |
2014-09-23 | 5867-003-0815 | ND |
2014-09-23 | 5867-004-1300 | ND |
2014-09-24 | 5867-005-0945 | ND |
2014-09-24 | 5867-006-0830 | ND |
2014-09-24 | 5867-007-1045 | ND |
2014-09-24 | 5867-014-1015 | ND |
2017-06-07 | 5867-006-0825 | ND |
2017-06-08 | 5867-001-0826 | ND |
2017-06-08 | 5867-003-1326 | ND |
2017-06-08 | 5867-004-1005 | ND |
2017-06-08 | 5867-005-0718 | ND |
2017-06-08 | 5867-007-1033 | ND |
2017-06-08 | 5867-014-1100 | ND |