cis-1,2-Dichloroethylene
Paw Bangor 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.
11
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-06 | 24392901 | ND |
| 2014-01-06 | 24393001 | ND |
| 2015-01-05 | 12324419 | ND |
| 2016-01-06 | 13792184 | ND |
| 2016-12-07 | 15418333 | ND |
| 2017-01-11 | 15562427 | ND |
| 2017-01-11 | 15562448 | ND |
| 2018-01-09 | 38147101 | ND |
| 2019-01-08 | 42484201 | ND |
| 2019-06-18 | 45239601 | ND |
| 2019-06-18 | 45239501 | ND |