cis-1,2-Dichloroethylene
Perkasie Regional 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.
41
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 | 7 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 7 | 0 | ND |
| 2022 | ND | 7 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-03-06 | 8024485-02 | ND |
| 2018-06-04 | 8052857-02 | ND |
| 2018-09-04 | 8084662-02 | ND |
| 2018-09-17 | 8093548-01 | ND |
| 2018-09-17 | 8093548-03 | ND |
| 2018-09-17 | 8093548-02 | ND |
| 2018-12-03 | 8110453-02RE | ND |
| 2019-03-05 | 9023322-02 | ND |
| 2019-06-04 | 9053891-02 | ND |
| 2019-09-03 | 9084135-02 | ND |
| 2019-11-11 | 9111441-02 | ND |
| 2019-11-11 | 9111441-03 | ND |
| 2019-11-11 | 9111441-01 | ND |
| 2019-12-03 | 9113323-02 | ND |
| 2020-03-03 | 21828156.00 | ND |
| 2020-06-23 | 22393759.00 | ND |
| 2020-09-01 | 22778493.00 | ND |
| 2020-09-01 | 22778451.00 | ND |
| 2020-09-01 | 22778472.00 | ND |
| 2020-12-01 | 23344551.00 | ND |
| 2021-03-02 | 24041333.00 | ND |
| 2021-06-01 | 24619513.00 | ND |
| 2021-09-20 | 25201397.00 | ND |
| 2021-09-20 | 25201439.00 | ND |
| 2021-09-20 | 25201418.00 | ND |
| 2021-09-20 | 25201460.00 | ND |
| 2021-12-07 | 25746102.00 | ND |
| 2022-03-01 | 26270331.00 | ND |
| 2022-06-21 | 26824203.00 | ND |
| 2022-08-16 | 27213695.00 | ND |
| 2022-08-16 | 27213743.00 | ND |
| 2022-08-16 | 27213720.00 | ND |
| 2022-09-19 | 27420616.00 | ND |
| 2022-12-06 | 27980827.00 | ND |
| 2023-03-07 | 28503184.00 | ND |
| 2023-06-06 | 29088271.00 | ND |
| 2023-09-05 | 29681588.00 | ND |
| 2023-09-19 | 29681591.00 | ND |
| 2023-09-19 | 29681590.00 | ND |
| 2023-09-19 | 29681589.00 | ND |
| 2023-12-05 | 30228241.00 | ND |