1,1-Dichloroethylene
Geary
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 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) 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 |
---|---|---|
2017-02-01 | SDWA-1117854-00 | ND |
2017-02-01 | SDWA-1117855-00 | ND |
2017-09-05 | SDWA-1183742-00 | ND |
2017-12-05 | SDWA-1214303-00 | ND |
2018-01-30 | SDWA-1228010-00 | ND |
2018-04-04 | SDWA-1251685-00 | ND |
2018-07-10 | SDWA-1280192-00 | ND |
2018-10-19 | SDWA-1313571-03 | ND |
2019-02-06 | SDWA-1338860-00 | ND |
2019-04-02 | SDWA-1361027-00 | ND |
2019-08-05 | SDWA-1392180-00 | ND |