cis-1,2-Dichloroethylene
Hidden Oaks Mobile Home Park
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.
7
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 | N/A | 0 | 0 | N/A |
| 2015 | 1.23 ppb | 2 | 2 | 0.460 ppb - 2.00 ppb |
| 2016 | 0.480 ppb | 2 | 1 | ND - 0.960 ppb |
| 2017 | 1.60 ppb | 1 | 1 | 1.60 ppb |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
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 |
|---|---|
| 2015-08-27 | 2.00 ppb |
| 2015-12-09 | 0.460 ppb |
| 2016-03-02 | 0.960 ppb |
| 2016-06-13 | ND |
| 2017-08-10 | 1.60 ppb |
| 2018-08-08 | ND |
| 2019-09-09 | ND |