cis-1,2-Dichloroethylene
East Bay Municipal Utility District
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.
44
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 | 6 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 11 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-04-08 | 8201-011-0820 | ND |
| 2014-04-23 | 8201-005-0720 | ND |
| 2014-06-16 | 8201-009-0915 | ND |
| 2014-06-17 | 8201-012-1030 | ND |
| 2014-06-17 | 8201-004-0900 | ND |
| 2014-09-10 | 8201-005-0905 | ND |
| 2015-07-09 | 8201-005-0809 | ND |
| 2015-07-15 | 8201-009-0750 | ND |
| 2015-07-21 | 8201-011-0835 | ND |
| 2015-07-21 | 8201-012-0850 | ND |
| 2015-07-28 | 8201-004-1035 | ND |
| 2015-07-30 | 8201-005-1212 | ND |
| 2015-09-16 | 8201-012-0930 | ND |
| 2015-12-16 | 8201-013-0955 | ND |
| 2016-02-16 | 8201-013-0910 | ND |
| 2016-06-13 | 8201-005-0815 | ND |
| 2016-06-29 | 8201-004-0845 | ND |
| 2016-06-30 | 8201-012-1155 | ND |
| 2016-07-05 | 8201-005-0911 | ND |
| 2016-07-12 | 8201-009-0900 | ND |
| 2016-10-25 | 8201-011-0850 | ND |
| 2017-02-01 | 8201-004-0830 | ND |
| 2017-02-01 | 8201-012-0725 | ND |
| 2017-02-22 | 8201-009-0850 | ND |
| 2017-02-22 | 8201-013-0910 | ND |
| 2017-02-22 | 8201-011-0855 | ND |
| 2017-06-27 | 8201-012-0910 | ND |
| 2017-06-27 | 8201-004-0810 | ND |
| 2017-06-28 | 8201-005-0903 | ND |
| 2017-07-20 | 8201-012-0802 | ND |
| 2017-07-21 | 8201-012-0925 | ND |
| 2017-07-26 | 8201-005-0913 | ND |
| 2018-02-20 | 8201-009-0835 | ND |
| 2018-07-24 | 8201-005-0905 | ND |
| 2018-07-25 | 8201-012-0805 | ND |
| 2018-07-26 | 8201-004-0755 | ND |
| 2018-07-31 | 8201-005-1400 | ND |
| 2018-10-16 | 8201-011-0818 | ND |
| 2019-01-03 | 8201-011-0915 | ND |
| 2019-06-18 | 8201-009-0940 | ND |
| 2019-06-19 | 8201-012-0745 | ND |
| 2019-06-19 | 8201-004-0835 | ND |
| 2019-06-19 | 8201-005-1150 | ND |
| 2019-07-16 | 8201-005-0820 | ND |