trans-1,2-Dichloroethylene
Saegertown Borough
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 | 6 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-06-12 | 1814774-01 | ND |
| 2018-06-12 | 1814774-02 | ND |
| 2018-06-12 | 1814774-03 | ND |
| 2018-06-12 | 1814774-04 | ND |
| 2019-04-02 | 3026084002 | ND |
| 2019-04-02 | 3026084003 | ND |
| 2019-04-02 | 3026084004 | ND |
| 2019-04-02 | 3026084005 | ND |
| 2019-04-02 | 3026084006 | ND |
| 2019-04-02 | 3026084001 | ND |
| 2020-04-21 | 22138855.00 | ND |
| 2020-04-21 | 22138854.00 | ND |
| 2020-04-21 | 22138853.00 | ND |
| 2020-04-21 | 22138852.00 | ND |
| 2020-04-21 | 22138851.00 | ND |
| 2020-04-21 | 22138850.00 | ND |
| 2021-04-06 | 24360785.00 | ND |
| 2021-04-06 | 24360764.00 | ND |
| 2021-04-06 | 24360743.00 | ND |
| 2021-04-06 | 24360722.00 | ND |
| 2022-04-05 | 26574460.00 | ND |
| 2022-04-05 | 26574481.00 | ND |
| 2022-04-05 | 26574439.00 | ND |
| 2022-04-05 | 26574502.00 | ND |
| 2023-04-04 | 28822774.00 | ND |
| 2023-04-04 | 28822795.00 | ND |
| 2023-04-04 | 28822816.00 | ND |
| 2023-04-04 | 28822837.00 | ND |
| 2023-04-04 | 28822858.00 | ND |
| 2023-04-04 | 28822753.00 | ND |