cis-1,2-Dichloroethylene
Hemlock Farms (main)
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 | 5 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 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 |
|---|---|---|
| 2014-03-12 | 14031688-001 | ND |
| 2014-03-12 | 14031688-005 | ND |
| 2014-03-12 | 14031688-003 | ND |
| 2014-03-12 | 14031688-002 | ND |
| 2014-03-12 | 14031688-004 | ND |
| 2017-03-06 | 15816690 | ND |
| 2017-03-06 | 15816710 | ND |
| 2017-03-06 | 15816770 | ND |
| 2017-03-06 | 15816730 | ND |
| 2017-03-06 | 15816750 | ND |