trans-1,2-Dichloroethylene
Oakview Leisure Village
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL): 100 ppb
The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-18 | 39402401 | ND |
| 2018-04-13 | 39620301 | ND |
| 2018-08-21 | 41281501 | ND |
| 2018-08-21 | 41281502 | ND |
| 2019-03-31 | P19-2554-01 | ND |
| 2019-04-22 | P19-2557-01 | ND |
| 2019-11-13 | P19-10851-01 | ND |
| 2020-03-02 | P20-01547-04 | ND |
| 2020-03-02 | P20-01547-05 | ND |
| 2020-12-16 | P20-10191-01 | ND |
| 2021-02-22 | P21-01383-04 | ND |
| 2021-11-03 | P21-12088-02 | ND |
| 2022-02-22 | P22-01516-03 | ND |
| 2022-11-08 | P22-12640-01 | ND |
| 2023-02-14 | P23-01317-03 | ND |
| 2023-11-07 | P23-12684-01 | ND |