cis-1,2-Dichloroethylene
Wellsburg, City Of
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.
27
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 | 2.34 ppb | 4 | 4 | 1.89 ppb - 2.72 ppb |
| 2019 | 1.53 ppb | 5 | 4 | ND - 2.10 ppb |
| 2020 | 1.56 ppb | 5 | 5 | 1.20 ppb - 1.90 ppb |
| 2021 | 0.805 ppb | 4 | 2 | ND - 2.40 ppb |
| 2022 | 1.88 ppb | 4 | 4 | 1.50 ppb - 2.30 ppb |
| 2023 | 1.42 ppb | 5 | 4 | ND - 2.40 ppb |
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 |
|---|---|---|
| 2018-03-01 | 18030270-01A | 1.89 ppb |
| 2018-04-05 | 18040808-01A | 2.13 ppb |
| 2018-08-02 | 18080546-01A | 2.60 ppb |
| 2018-12-13 | 18121915-01A | 2.72 ppb |
| 2019-01-24 | 19012840-01A | 1.97 ppb |
| 2019-06-19 | 19062578-01A | 1.60 ppb |
| 2019-08-19 | M19-28116-03 | ND |
| 2019-09-30 | 468016 | 2.00 ppb |
| 2019-11-26 | M19-36367-01 | 2.10 ppb |
| 2020-03-03 | M20-14668-01 | 1.90 ppb |
| 2020-03-03 | M20-14668-01 | 1.90 ppb |
| 2020-04-09 | M20-17650-01 | 1.20 ppb |
| 2020-08-05 | M20-27568-01 | 1.60 ppb |
| 2020-11-05 | M20-35836-01 | 1.20 ppb |
| 2021-03-15 | M21-15500-01 | 0.820 ppb |
| 2021-05-24 | M21-20987-01 | 2.40 ppb |
| 2021-08-05 | M21-28224-01 | ND |
| 2021-11-16 | M21-37604-01 | ND |
| 2022-02-24 | M22-14528-01 | 1.50 ppb |
| 2022-05-03 | M22-20781-01 | 1.60 ppb |
| 2022-08-10 | M22-31283-01 | 2.10 ppb |
| 2022-11-30 | 2208835-01 | 2.30 ppb |
| 2023-02-13 | 2305102-01 | 2.40 ppb |
| 2023-06-07 | 2319754-01 | 1.40 ppb |
| 2023-09-06 | 2333450-01 | ND |
| 2023-10-11 | 2338475-01 | 1.60 ppb |
| 2023-11-29 | 2344286-01 | 1.70 ppb |