cis-1,2-Dichloroethylene
Backwoods-saddlebrook Community Ws
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.
18
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 | N/A | 0 | 0 | N/A |
| 2016 | 0.683 ppb | 6 | 2 | ND - 2.60 ppb |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2016-07-11 | 7548-071116-EP1V | ND |
| 2016-07-11 | 7548-071116-EP2V | 2.60 ppb |
| 2016-09-28 | 7548-092816-EP1V | ND |
| 2016-09-28 | 7548-092816-EP2V | 1.50 ppb |
| 2016-12-05 | 7548-120516-EP2V | ND |
| 2016-12-05 | 7548-120516-EP1V | ND |
| 2017-03-14 | 7548-031417-EP2V | ND |
| 2017-03-14 | 7548-031417-EP1V | ND |
| 2017-05-16 | 7548-051617-EP2V | ND |
| 2017-05-16 | 7548-051617-EP1V | ND |
| 2017-08-16 | 7548-081617-EP1V | ND |
| 2017-08-16 | 7548-081617-EP2V | ND |
| 2017-11-14 | 7548-111417-EP1V | ND |
| 2017-11-28 | 7548-112817-EP2V | ND |
| 2018-07-10 | 7548-071018-EP1V | ND |
| 2018-07-10 | 7548-071018-EP2V | ND |
| 2019-07-22 | 7548-072219-EP1V | ND |
| 2019-07-22 | 7548-072219-EP2V | ND |