cis-1,2-Dichloroethylene
Mililani
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-02-11 | 201402140316 | ND |
| 2014-02-18 | 201402200344 | ND |
| 2014-02-18 | 201402200346 | ND |
| 2014-02-25 | 201402280294 | ND |
| 2014-04-07 | 201404090488 | ND |
| 2014-07-08 | 201407100617 | ND |
| 2014-10-24 | 201410280162 | ND |
| 2015-01-20 | 201501220075 | ND |
| 2015-01-29 | 201501300118 | ND |
| 2015-04-10 | 201504140151 | ND |
| 2015-07-13 | 201507150474 | ND |
| 2015-10-16 | 201510210706 | ND |
| 2016-01-14 | ND | |
| 2016-01-14 | ND | |
| 2016-04-11 | ND | |
| 2017-02-01 | ND | |
| 2017-02-09 | ND | |
| 2017-11-01 | ND | |
| 2017-11-14 | ND | |
| 2018-01-11 | 201712280237 | ND |
| 2018-04-10 | 201804130364 | ND |
| 2019-01-29 | 201901300201 | ND |
| 2019-01-29 | 201901300202 | ND |
| 2019-03-12 | 201903020135 | ND |