cis-1,2-Dichloroethylene
Bull Run Mountain/evergreen (brme)
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.
36
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 | 6 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-07-18 | WE-1-1807V | ND |
| 2018-07-18 | WB-7-1807V | ND |
| 2018-07-18 | WB-5-1807V | ND |
| 2018-07-18 | WB-13-1807V | ND |
| 2018-07-18 | WB-11-1807V | ND |
| 2018-07-18 | WB-12-1807V | ND |
| 2019-10-28 | WB-12-1910V | ND |
| 2019-10-28 | WB-11-1910V | ND |
| 2019-10-28 | WE-1-1910V | ND |
| 2019-10-28 | WB-7-1910V | ND |
| 2019-10-28 | WB-5-1910V | ND |
| 2019-10-28 | WB-13-1910V | ND |
| 2020-02-24 | WE-1-2002V | ND |
| 2020-02-24 | WB-7-2002V | ND |
| 2020-02-24 | WB-5-2002V | ND |
| 2020-02-24 | WB-13-2002V | ND |
| 2020-02-24 | WB-12-2002V | ND |
| 2020-02-24 | WB-11-2002V | ND |
| 2021-04-27 | 21042610-01V | ND |
| 2021-04-27 | 21042610-06V | ND |
| 2021-04-27 | 21042610-05V | ND |
| 2021-04-27 | 21042610-04V | ND |
| 2021-04-27 | 21042610-03V | ND |
| 2021-04-27 | 21042610-02V | ND |
| 2022-07-26 | 22-12670 VOC | ND |
| 2022-07-26 | 22-12669 VOC | ND |
| 2022-07-26 | 22-12668 VOC | ND |
| 2022-07-26 | 22-12667 VOC | ND |
| 2022-09-29 | 22092907-01-VOC | ND |
| 2022-12-13 | 22-21032 VOC | ND |
| 2023-10-24 | 23102311-01_VOC | ND |
| 2023-10-24 | 23102311-02_VOC | ND |
| 2023-10-24 | 23102311-03_VOC | ND |
| 2023-10-24 | 23102311-04_VOC | ND |
| 2023-10-24 | 23102311-05_VOC | ND |
| 2023-10-24 | 23102311-06_VOC | ND |