1,1-Dichloroethylene
Phelan Pinon Hills CSD
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2015-02-17 | 3761-002-1035 | ND |
| 2015-02-17 | 3761-009-0918 | ND |
| 2015-02-17 | 3761-011-1136 | ND |
| 2015-02-24 | 3761-007-1015 | ND |
| 2015-03-03 | 3761-017-0950 | ND |
| 2016-07-19 | 3761-012-0815 | ND |
| 2017-04-11 | 3761-006-0945 | ND |
| 2017-05-08 | 3761-005-1145 | ND |
| 2017-05-08 | 3761-005-1155 | ND |
| 2017-07-05 | 3761-015-1145 | ND |
| 2018-09-10 | 3761-013-1139 | ND |
| 2019-07-03 | 3761-016-1254 | ND |