cis-1,2-Dichloroethylene
Symonds Water Association
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.
11
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-06-02 | 140603-012VO | ND |
| 2015-06-18 | 150619-002VO | ND |
| 2016-12-19 | 161220-047VO | ND |
| 2017-06-21 | 170622-012VO | ND |
| 2018-05-23 | 180524-007VO | ND |
| 2018-06-14 | 180615-003VO | ND |
| 2018-08-09 | 180810-001VO | ND |
| 2018-10-11 | 181012-001VO | ND |
| 2019-02-20 | 190221-008VO | ND |
| 2019-04-24 | 190425-009VO | ND |
| 2019-10-16 | 191017-008VO | ND |