1,1-Dichloroethylene
City of California City
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 5 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 1 | 0 | ND |
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 |
---|---|---|
2014-08-25 | 5806-005-1400 | ND |
2014-08-25 | 5806-006-1320 | ND |
2014-08-25 | 5806-008-1345 | ND |
2014-08-25 | 5806-009-1310 | ND |
2014-08-25 | 5806-016-1335 | ND |
2016-12-15 | 5806-003-0920 | ND |
2017-08-01 | 5806-005-1100 | ND |
2017-08-01 | 5806-006-1135 | ND |
2017-08-01 | 5806-008-1000 | ND |
2017-08-01 | 5806-009-1030 | ND |
2017-08-01 | 5806-016-0925 | ND |
2019-11-19 | 5806-003-1000 | ND |