1,1-Dichloroethylene
China Lake Naval Air Weapons Station
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
16
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 8 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2020-11-30 | CA1510703_013_013-202011301346 | ND |
| 2020-11-30 | CA1510703_017_017-202011301450 | ND |
| 2020-11-30 | CA1510703_002_002-202011301301 | ND |
| 2020-11-30 | CA1510703_004_004-202011301420 | ND |
| 2021-06-15 | CA1510703_015_015-202106150945 | ND |
| 2022-06-28 | CA1510703_043_043-202206280900 | ND |
| 2022-09-05 | CA1510703_043_043-202209050939 | ND |
| 2022-11-08 | CA1510703_043_043-202211080845 | ND |
| 2023-01-24 | CA1510703_043_043-202301240755 | ND |
| 2023-04-11 | CA1510703_043_043-202304110856 | ND |
| 2023-11-07 | CA1510703_002_002-202311070901 | ND |
| 2023-11-07 | CA1510703_013_013-202311070824 | ND |
| 2023-11-07 | CA1510703_043_043-202311070917 | ND |
| 2023-11-07 | CA1510703_004_004-202311070717 | ND |
| 2023-11-07 | CA1510703_015_015-202311070807 | ND |
| 2023-11-14 | CA1510703_017_017-202311140732 | ND |