cis-1,2-Dichloroethylene
City of Brookhaven
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.
30
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 | 5 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 5 | 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 |
|---|---|---|
| 2014-03-10 | 140311-009VO | ND |
| 2014-04-28 | 140429-003VO | ND |
| 2014-06-23 | 140624-007VO | ND |
| 2014-08-25 | 140826-013VO | ND |
| 2014-10-20 | 141021-005VO | ND |
| 2015-03-16 | 150317-006VO | ND |
| 2015-05-18 | 150519-010VO | ND |
| 2015-07-29 | 150730-003VO | ND |
| 2015-08-24 | 150825-012VO | ND |
| 2015-08-31 | 150901-009VO | ND |
| 2015-09-14 | 150915-006VO | ND |
| 2015-11-02 | 151103-013VO | ND |
| 2016-03-09 | 160310-011VO | ND |
| 2016-06-15 | 160616-001VO | ND |
| 2016-07-27 | 160728-009VO | ND |
| 2016-09-27 | 160928-006VO | ND |
| 2017-03-15 | 170316-006VO | ND |
| 2017-05-23 | 170524-009VO | ND |
| 2017-08-07 | 170808-017VO | ND |
| 2017-09-13 | 170914-001VO | ND |
| 2017-11-07 | 171108-001VO | ND |
| 2018-01-30 | 180131-002VO | ND |
| 2018-05-01 | 180502-020VO | ND |
| 2018-06-25 | 180626-011VO | ND |
| 2018-08-13 | 180814-003VO | ND |
| 2018-10-22 | 181023-008VO | ND |
| 2019-03-19 | 190320-001VO | ND |
| 2019-04-30 | 190501-001VO | ND |
| 2019-06-18 | 190619-005VO | ND |
| 2019-08-20 | 190821-001VO | ND |