cis-1,2-Dichloroethylene
Aqua Pa Uwchlan
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.
40
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 | 6 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 7 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2018-01-29 | AF74449 | ND |
| 2018-01-31 | AF73819 | ND |
| 2018-02-26 | AF76934 | ND |
| 2018-02-26 | AF76935 | ND |
| 2018-03-13 | AF77984 | ND |
| 2018-03-13 | AF77985 | ND |
| 2019-03-06 | AG10268 | ND |
| 2019-03-06 | AG10267 | ND |
| 2019-03-06 | AG10266 | ND |
| 2019-03-12 | AG10439 | ND |
| 2019-03-12 | AG10441 | ND |
| 2019-03-27 | AG11746 | ND |
| 2019-11-07 | AG37520 | ND |
| 2020-03-11 | 21837111.00 | ND |
| 2020-03-11 | 21837195.00 | ND |
| 2020-03-11 | 21837153.00 | ND |
| 2020-03-11 | 21837132.00 | ND |
| 2020-03-26 | 21837174.00 | ND |
| 2020-05-21 | 22205092.00 | ND |
| 2021-02-10 | 23880016.00 | ND |
| 2021-02-10 | 23880058.00 | ND |
| 2021-02-10 | 23880037.00 | ND |
| 2021-02-23 | 23880100.00 | ND |
| 2021-02-23 | 23880079.00 | ND |
| 2021-07-09 | 24819008.00 | ND |
| 2022-02-18 | 26109334.00 | ND |
| 2022-02-18 | 26109352.00 | ND |
| 2022-02-18 | 26109285.00 | ND |
| 2022-02-18 | 26109306.00 | ND |
| 2022-02-18 | 26109327.00 | ND |
| 2022-08-03 | 27224136.00 | ND |
| 2022-11-29 | 27814191.00 | ND |
| 2023-02-17 | 28341075.00 | ND |
| 2023-02-27 | 28341096.00 | ND |
| 2023-02-27 | 28341117.00 | ND |
| 2023-03-21 | 28512446.00 | ND |
| 2023-03-21 | 28512425.00 | ND |
| 2023-04-17 | 28692192.00 | ND |
| 2023-05-01 | 28890012.00 | ND |
| 2023-08-29 | 29691262.00 | ND |