cis-1,2-Dichloroethylene
Jones County
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 | 0.173 ppb | 4 | 1 | ND - 0.690 ppb |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | 0.330 ppb | 2 | 1 | ND - 0.660 ppb |
| 2018 | 0.190 ppb | 3 | 1 | ND - 0.570 ppb |
| 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 | Lab ID | Result |
|---|---|---|
| 2014-01-07 | AI26144 | ND |
| 2014-04-21 | AI38380 | ND |
| 2014-07-09 | AI45311 | ND |
| 2014-10-23 | AI58303 | 0.690 ppb |
| 2015-01-20 | AI63073 | ND |
| 2015-01-20 | AI63072 | ND |
| 2015-01-20 | AI63071 | ND |
| 2015-04-13 | AI74631 | ND |
| 2015-07-13 | AI82733 | ND |
| 2015-10-19 | AI99415 | ND |
| 2016-03-21 | AJ08419 | ND |
| 2017-05-31 | AJ56310 | 0.660 ppb |
| 2017-05-31 | AJ56309 | ND |
| 2018-05-21 | AJ89835 | ND |
| 2018-05-21 | AJ89834 | 0.570 ppb |
| 2018-05-21 | AJ89833 | ND |
| 2019-05-23 | AK18228 | ND |