cis-1,2-Dichloroethylene
Hamburg Municipal Water&sewer Authority
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.
15
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 70 ppb
The legal limit for cis-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 |
|---|---|---|
| 2018-10-03 | 8007563-01 | ND |
| 2019-03-13 | 8017757-01 | ND |
| 2020-05-27 | 22259091.00 | ND |
| 2020-08-19 | 22841425.00 | ND |
| 2021-08-11 | 25064924.00 | ND |
| 2022-07-06 | 27080634.00 | ND |
| 2022-07-27 | 27279432.00 | ND |
| 2022-08-02 | 27279495.00 | ND |
| 2022-08-10 | 27279453.00 | ND |
| 2022-08-10 | 27279474.00 | ND |
| 2023-08-09 | 29542183.00 | ND |
| 2023-12-04 | 30283870.00 | ND |
| 2023-12-04 | 30283871.00 | ND |
| 2023-12-05 | 30283872.00 | ND |
| 2023-12-06 | 30283869.00 | ND |