cis-1,2-Dichloroethylene
Anderson Water Department
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.
17
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 | 0.350 ppb | 4 | 2 | ND - 0.700 ppb |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 4 | 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 | Lab ID | Result |
|---|---|---|
| 2014-02-10 | 2014020374RV-140 | ND |
| 2014-02-10 | 2014020379RV-140 | 0.700 ppb |
| 2014-05-11 | 2011050367RV-140 | ND |
| 2014-05-11 | 2011050368RV-140 | 0.700 ppb |
| 2015-09-22 | 2015091969RV-150 | ND |
| 2016-10-25 | 2016101663RV-160 | ND |
| 2017-05-09 | 2017051066RV-170 | ND |
| 2017-05-10 | 2017051143RV-170 | ND |
| 2017-08-08 | 2017082394RV-170 | ND |
| 2017-11-14 | 2017111330RV-170 | ND |
| 2018-05-09 | 18051457001RV-18 | ND |
| 2018-09-17 | 18092076RV-1803 | ND |
| 2018-11-15 | 18111870001RV-18 | ND |
| 2019-03-26 | 2019031464RV-190 | ND |
| 2019-04-03 | 2019040922RV-190 | ND |
| 2019-07-09 | 2019072432RV-190 | ND |
| 2019-10-03 | 2019101030RV-190 | ND |