cis-1,2-Dichloroethylene
Ham's Mobile Home Park No. 2
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.
5
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 | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 0.820 ppb | 1 | 1 | 0.820 ppb |
| 2021 | 0.660 ppb | 1 | 1 | 0.660 ppb |
| 2022 | 0.900 ppb | 1 | 1 | 0.900 ppb |
| 2023 | 1.10 ppb | 1 | 1 | 1.10 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 |
|---|---|---|
| 2018-12-26 | 60948-01 | ND |
| 2020-12-28 | 92514040001_12710 | 0.820 ppb |
| 2021-12-21 | 92579857001_12710 | 0.660 ppb |
| 2022-12-12 | 2124071-01 | 0.900 ppb |
| 2023-12-19 | 4731-23 | 1.10 ppb |