1,1-Dichloroethylene
Pleasant Hill Mobile Home Park
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 | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-03-07 | 0070230_01_03962 | ND |
| 2015-06-04 | E15003805001 | ND |
| 2015-06-04 | E15003805004 | ND |
| 2016-08-25 | E17000773001 | ND |
| 2017-06-09 | E17004877006 | ND |
| 2018-09-25 | E19001064006 | ND |
| 2019-08-07 | E20000532001 | ND |
| 2019-08-07 | E20000532004 | ND |