cis-1,2-Dichloroethylene
Bradley Waterworks
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.
21
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-08-25 | 14240005802 | ND |
| 2015-04-29 | 15120000301 | ND |
| 2015-07-07 | 15190007702 | ND |
| 2016-07-05 | 16189007309 | ND |
| 2016-11-21 | 16327002904 | ND |
| 2017-02-06 | 17039001508 | ND |
| 2017-04-17 | 17109003009 | ND |
| 2017-08-01 | 17215004202 | ND |
| 2017-08-01 | 17215004108 | ND |
| 2017-10-23 | 17299001501 | ND |
| 2018-02-12 | 18046000301 | ND |
| 2018-05-29 | 18151004201 | ND |
| 2018-05-29 | 18151004301 | ND |
| 2018-08-13 | 18228002702 | ND |
| 2018-08-13 | 18228002901 | ND |
| 2018-10-16 | 18291005301 | ND |
| 2019-02-25 | 19059000701 | ND |
| 2019-05-13 | 19136008101 | ND |
| 2019-07-31 | 19213001601 | ND |
| 2019-07-31 | 19213001508 | ND |
| 2019-11-05 | 19311002301 | ND |