cis-1,2-Dichloroethylene
Fox River Grove
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.
23
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 | 0.523 ppb | 3 | 1 | ND - 1.57 ppb |
| 2015 | 1.00 ppb | 4 | 3 | ND - 1.69 ppb |
| 2016 | 1.83 ppb | 1 | 1 | 1.83 ppb |
| 2017 | 1.02 ppb | 3 | 1 | ND - 3.05 ppb |
| 2018 | 3.43 ppb | 7 | 4 | ND - 7.10 ppb |
| 2019 | 5.84 ppb | 5 | 4 | ND - 9.30 ppb |
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 |
|---|---|---|
| 2014-01-22 | 14A0332-01 | ND |
| 2014-10-15 | 14J0343-02 | ND |
| 2014-10-15 | 14J0343-01 | 1.57 ppb |
| 2015-01-27 | 15A0470-01 | ND |
| 2015-04-14 | 15D0277-01 | 0.720 ppb |
| 2015-07-21 | 15G0480-01 | 1.69 ppb |
| 2015-10-28 | 15J0531-01 | 1.60 ppb |
| 2016-02-11 | 16B0257-01 | 1.83 ppb |
| 2017-01-18 | 17A0307-01 | 3.05 ppb |
| 2017-01-18 | 1740307-02 | ND |
| 2017-10-19 | 17J0599-01 | ND |
| 2018-01-17 | 18A0317-02 | ND |
| 2018-01-17 | 18A0317-01 | 5.10 ppb |
| 2018-04-25 | 8044477-01 | 6.50 ppb |
| 2018-04-25 | 8044477-02 | ND |
| 2018-08-21 | 8084046-01 | 7.10 ppb |
| 2018-08-21 | 8084205-01 | ND |
| 2018-11-15 | 8113061-01 | 5.30 ppb |
| 2019-02-13 | 9022158-01 | 6.50 ppb |
| 2019-02-13 | 9022158-02 | ND |
| 2019-05-21 | 9054356-01 | 7.40 ppb |
| 2019-09-12 | 9092540-01 | 6.00 ppb |
| 2019-11-19 | 9113219-01 | 9.30 ppb |