cis-1,2-Dichloroethylene
Sky Harbour Water Supply Corporation
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.
13
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-09-25 | Q1448142003 | ND |
| 2014-09-25 | Q1448142004 | ND |
| 2015-03-03 | Q1507985010 | ND |
| 2015-03-03 | Q1507985013 | ND |
| 2015-06-23 | Q1523545004 | ND |
| 2016-11-14 | Q1649173002 | ND |
| 2016-11-14 | Q1649173003 | ND |
| 2017-12-14 | Q1766131001 | ND |
| 2017-12-14 | Q1766131004 | ND |
| 2018-10-15 | Q1840817001 | ND |
| 2018-10-15 | Q1840817004 | ND |
| 2019-05-13 | Q1923815001 | ND |
| 2019-05-13 | Q1923815003 | ND |