cis-1,2-Dichloroethylene
Gowanda Village
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.
11
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2014-12-10 | 2014-POC-14L0821 | ND |
| 2015-01-20 | EHS1500002249-PO | ND |
| 2016-08-04 | 8/16 POC - WELL | ND |
| 2016-08-04 | 8/16 POC - SPRIN | ND |
| 2016-12-08 | 12/16 POC - SPRI | ND |
| 2017-03-30 | 17C2494-01 | ND |
| 2017-06-08 | 17F1109-01 | ND |
| 2017-08-03 | 17H0854-01 | ND |
| 2017-08-17 | 17H1940-01 | ND |
| 2018-09-24 | EHS1800042291-01 | ND |
| 2018-09-24 | EHS1800042292-01 | ND |