cis-1,2-Dichloroethylene
Intracoastal Water System West
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.
24
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 | 2 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 8 | 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 |
|---|---|---|
| 2014-03-10 | AD89567 | ND |
| 2014-03-10 | AD89567 | ND |
| 2015-03-23 | 35181102002 | ND |
| 2015-03-23 | 35181102002 | ND |
| 2015-10-14 | 35212298002 | ND |
| 2015-10-14 | 35212298001 | ND |
| 2015-10-14 | 35212298002 | ND |
| 2015-10-14 | 35212298003 | ND |
| 2015-10-14 | 35212298001 | ND |
| 2015-10-14 | 35212298003 | ND |
| 2016-02-15 | 35230016002 | ND |
| 2016-02-15 | 35230016002 | ND |
| 2017-02-27 | 35297619004 | ND |
| 2017-02-27 | 35297619004 | ND |
| 2018-02-19 | 35375364002 | ND |
| 2018-02-19 | 35375364002 | ND |
| 2018-07-09 | 35403785001 | ND |
| 2018-07-09 | 35403785003 | ND |
| 2018-07-09 | 35403785002 | ND |
| 2018-07-09 | 35403785001 | ND |
| 2018-07-09 | 35403785003 | ND |
| 2018-07-09 | 35403785002 | ND |
| 2019-01-16 | 35442897001 | ND |
| 2019-01-16 | 35442897001 | ND |