cis-1,2-Dichloroethylene
Rathbun Reg Water Association (burlington)
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.
10
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 0.750 ppb | 6 | 6 | 0.600 ppb - 0.900 ppb |
| 2022 | 0.667 ppb | 3 | 3 | 0.500 ppb - 0.800 ppb |
| 2023 | 0.600 ppb | 1 | 1 | 0.600 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 |
|---|---|---|
| 2021-01-07 | OE1533777 | 0.900 ppb |
| 2021-01-07 | OE1533778 | 0.900 ppb |
| 2021-10-06 | OE1881443 | 0.700 ppb |
| 2021-10-06 | OE1881444 | 0.700 ppb |
| 2021-10-29 | OE1912497 | 0.700 ppb |
| 2021-10-29 | OE1912498 | 0.600 ppb |
| 2022-04-12 | OE2081330 | 0.700 ppb |
| 2022-04-12 | OE2081331 | 0.800 ppb |
| 2022-07-14 | OE2135724 | 0.500 ppb |
| 2023-07-19 | OE2310272 | 0.600 ppb |