cis-1,2-Dichloroethylene
Danville Drive Service Area
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 |
|---|---|---|---|---|
| 2018 | 0.0621 ppb | 34 | 8 | ND - 0.400 ppb |
| 2019 | 0.0432 ppb | 25 | 3 | ND - 0.390 ppb |
| 2020 | 0.0205 ppb | 39 | 2 | ND - 0.410 ppb |
| 2021 | 0.0137 ppb | 27 | 1 | ND - 0.370 ppb |
| 2022 | 0.0620 ppb | 25 | 5 | ND - 0.400 ppb |
| 2023 | 0.0500 ppb | 36 | 8 | ND - 0.360 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
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