cis-1,2-Dichloroethylene
Brookeland Fresh Water Supply District
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.
13
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 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-12-10 | Q1850387012 | ND |
| 2018-12-10 | Q1850387013 | ND |
| 2019-07-10 | Q1943726006 | ND |
| 2019-07-10 | Q1943726008 | ND |
| 2020-04-07 | Q2014006001 | ND |
| 2020-04-07 | Q2014006003 | ND |
| 2021-09-01 | Q2123830006 | ND |
| 2021-09-01 | Q2123830008 | ND |
| 2021-12-01 | Q2133437001 | ND |
| 2022-02-07 | Q2203973003 | ND |
| 2022-08-16 | Q2224005001 | ND |
| 2023-06-26 | Q2324301001 | ND |
| 2023-06-26 | Q2324301003 | ND |