cis-1,2-Dichloroethylene
Oblates of St. Francis
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 | 4 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-02-25 | 1071359_01_03819 | ND |
| 2014-04-04 | 1071359_01_04372 | ND |
| 2014-07-11 | 1071359_01_00013 | ND |
| 2014-11-03 | 1071359_01_00166 | ND |
| 2015-01-15 | 1071359_01_00220 | ND |
| 2015-05-14 | E15003550001 | ND |
| 2015-07-01 | E16000018001 | ND |
| 2015-10-01 | E16001420001 | ND |
| 2016-03-23 | E16003505001 | ND |
| 2017-06-09 | E17004877001 | ND |