cis-1,2-Dichloroethylene
Tri County Joint Municipal Authority
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.
15
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 | 9 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-02-20 | 4021747-01 | ND |
| 2014-03-21 | 4031896-01 | ND |
| 2014-04-04 | 4040494-01 | ND |
| 2014-05-09 | 4051036-01 | ND |
| 2014-05-09 | 4051036-02 | ND |
| 2014-08-08 | 4080935-01 | ND |
| 2014-08-08 | 4080935-02 | ND |
| 2014-11-07 | 4110753-01 | ND |
| 2014-11-07 | 4110753-02 | ND |
| 2015-04-24 | 12698080 | ND |
| 2015-04-24 | 12698060 | ND |
| 2016-05-20 | 14338728 | ND |
| 2017-12-07 | 17241112 | ND |
| 2018-11-07 | 18K0900-01 | ND |
| 2019-10-02 | 19J1014-01 | ND |