cis-1,2-Dichloroethylene
Arizona Water Company - Lakeside
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 5 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 | Lab ID | Result |
|---|---|---|
| 2015-05-19 | 5051551-01V | ND |
| 2015-05-19 | 5051551-02V | ND |
| 2015-05-19 | 5051551-03 | ND |
| 2015-05-19 | 5051551-04 | ND |
| 2015-06-22 | 5061965-01V | ND |
| 2018-05-21 | 18E2210-01 VOC | ND |
| 2018-05-21 | 18E2210-02 VOC | ND |
| 2018-05-21 | 18E2210-03 VOC | ND |
| 2018-05-21 | 18E2210-04 VOC | ND |
| 2018-05-21 | 18E2210-05 VOC | ND |