1,1-Dichloroethylene
Newhall Cwd-pinetree
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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) 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 |
---|---|---|
2014-02-13 | 9590-003-1235 | ND |
2014-02-13 | 9590-008-1300 | ND |
2017-04-06 | 9590-008-0935 | ND |
2018-04-05 | 2104-008-1005 | ND |
2019-04-18 | 9590-008-1015 | ND |
2019-05-13 | 9590-008-0915 | ND |
2019-06-13 | 9590-001-1055 | ND |
2019-06-13 | 9590-003-1020 | ND |