cis-1,2-Dichloroethylene
Tyrrell County Water
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.
14
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 | ND | 6 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 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 | Lab ID | Result |
|---|---|---|
| 2014-01-06 | 8043-010614-E02V | ND |
| 2014-01-06 | 8557-010614-E03V | ND |
| 2014-04-07 | 8557-040714-E03V | ND |
| 2014-07-07 | 8043-070714-E02V | ND |
| 2014-07-07 | 8557-070714-E03V | ND |
| 2014-10-06 | 8557-100614-E03V | ND |
| 2015-01-05 | ND | |
| 2015-07-06 | ND | |
| 2016-07-11 | 8043-071116-E02V | ND |
| 2016-07-11 | 8043-071116-E03V | ND |
| 2017-07-10 | 8043-071017-E02V | ND |
| 2017-07-10 | 8043-071017-E03V | ND |
| 2018-07-10 | 8043-071018-E02V | ND |
| 2019-07-18 | 8043-071819-E02V | ND |