1,1-Dichloroethylene
Timberline-cv Psd
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
8
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-10-02 | VOC_219700-2014- | ND |
| 2015-12-15 | 241784-2015-DW | ND |
| 2016-10-06 | 256986-2016-DW | ND |
| 2017-11-02 | 276738-2017-DW | ND |
| 2018-12-06 | 298049-2018-DW | ND |
| 2019-08-08 | 310106-2019-DW | ND |
| 2019-10-17 | 314563-2019-DW | ND |
| 2019-10-17 | 314564-2019-DWA | ND |