cis-1,2-Dichloroethylene
Hillburn 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.
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 | ND | 121 | 0 | ND |
| 2019 | ND | 68 | 0 | ND |
| 2020 | 0.208 ppb | 148 | 28 | ND - 3.55 ppb |
| 2021 | 0.00727 ppb | 108 | 5 | ND - 0.182 ppb |
| 2022 | 0.00107 ppb | 121 | 1 | ND - 0.130 ppb |
| 2023 | 0.217 ppb | 65 | 13 | ND - 2.79 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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