1,1-Dichloroethylene
Placer CWA - Auburn/Bowman
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-08-06 | 3334-002-1045 | ND |
| 2014-08-06 | 3334-004-0930 | ND |
| 2015-08-13 | 3334-002-0800 | ND |
| 2015-08-13 | 3334-004-1315 | ND |
| 2016-08-16 | 2113-002-1030 | ND |
| 2016-08-16 | 2113-004-0910 | ND |
| 2017-08-21 | 3334-002-0910 | ND |
| 2017-08-21 | 3334-004-0750 | ND |
| 2018-08-15 | 3334-002-1000 | ND |
| 2018-08-15 | 3334-004-1200 | ND |
| 2019-08-22 | 3334-002-0840 | ND |
| 2019-08-22 | 3334-004-1100 | ND |