cis-1,2-Dichloroethylene
City of Mount Holly
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.
10
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 | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-03-05 | 92192181003VOC | ND |
| 2014-06-03 | 92203776001VOC | ND |
| 2014-09-03 | 92216130001VOC | ND |
| 2014-12-10 | 92229248001VOC | ND |
| 2015-03-12 | ND | |
| 2016-03-07 | 92289126003VOC | ND |
| 2017-03-09 | 92333018003VOC | ND |
| 2017-04-06 | 92336428005VOC | ND |
| 2018-03-08 | 92376362004VOC | ND |
| 2019-03-11 | 92420902001_1271 | ND |