cis-1,2-Dichloroethylene
Milo Public Water Supply
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.
3
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 | 0.700 ppb | 1 | 1 | 0.700 ppb |
| 2015 | 0.733 ppb | 6 | 6 | 0.600 ppb - 0.900 ppb |
| 2016 | 0.600 ppb | 2 | 2 | 0.600 ppb |
| 2017 | 0.567 ppb | 3 | 3 | 0.500 ppb - 0.600 ppb |
| 2018 | 0.675 ppb | 4 | 4 | 0.600 ppb - 0.700 ppb |
| 2019 | 0.700 ppb | 7 | 7 | 0.500 ppb - 0.900 ppb |
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 |
|---|---|---|
| 2014-12-15 | 2098189 | 0.700 ppb |
| 2016-03-16 | OE355856 | 0.600 ppb |
| 2016-03-16 | OE355855 | 0.600 ppb |