cis-1,2-Dichloroethylene
Bend Water Department
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.
23
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 10 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-06-03 | B4F030701-V | ND |
| 2015-02-25 | B5B250701-V | ND |
| 2016-01-20 | 1603130-V | ND |
| 2016-01-20 | 1603131-V | ND |
| 2016-01-20 | 1603132-V | ND |
| 2016-01-20 | 1603133-V | ND |
| 2016-01-20 | 1603134-V | ND |
| 2016-09-29 | 1659532-V | ND |
| 2016-09-29 | 1659531-V | ND |
| 2016-09-29 | 1659517-V | ND |
| 2016-09-29 | 1659515-V | ND |
| 2016-09-29 | 1659514-V | ND |
| 2017-05-09 | 1724558-V | ND |
| 2017-05-09 | 1724568-V | ND |
| 2017-05-10 | 1724757-V | ND |
| 2018-07-31 | 808012001-V | ND |
| 2018-08-01 | 808021401-V | ND |
| 2018-08-01 | 808021601-V | ND |
| 2018-08-01 | 808021501-V | ND |
| 2019-08-07 | 908082401-V | ND |
| 2019-08-07 | C9H070501-V | ND |
| 2019-08-07 | C9H070601-V | ND |
| 2019-08-07 | B9H070401-V | ND |