cis-1,2-Dichloroethylene
Schooner Pass Trustees Condominiums
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.
0
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 | 1.31 ppb | 1 | 1 | 1.31 ppb |
| 2015 | 0.345 ppb | 8 | 1 | ND - 2.76 ppb |
| 2016 | 1.08 ppb | 9 | 4 | ND - 2.77 ppb |
| 2017 | 1.19 ppb | 11 | 5 | ND - 3.56 ppb |
| 2018 | 0.647 ppb | 10 | 4 | ND - 2.03 ppb |
| 2019 | 0.610 ppb | 10 | 4 | ND - 1.83 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 | Result |
|---|