1,1-Dichloroethylene
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1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
6
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 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-03-23 | CA3400191_003_003-201803231350 | ND |
| 2018-03-23 | CA3400191_002_002-201803231330 | ND |
| 2020-03-20 | CA3400191_001_001-202003201000 | ND |
| 2021-03-18 | CA3400191_003_003-202103181405 | ND |
| 2021-03-18 | CA3400191_002_002-202103181415 | ND |
| 2023-03-30 | CA3400191_001_001-202303301000 | ND |