cis-1,2-Dichloroethylene
Highridge Water Authority
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-02-19 | 14022960-001 | ND |
2014-02-19 | 14022960-002 | ND |
2015-02-18 | 12465601 | ND |
2015-02-18 | 12465621 | ND |
2016-02-18 | 13934818 | ND |
2016-02-18 | 13934839 | ND |
2017-04-05 | 16027010 | ND |
2017-04-05 | 16027033 | ND |
2018-06-13 | 7054911001 | ND |
2018-06-13 | 7054911002 | ND |
2019-06-12 | 7093386001 | ND |
2019-06-12 | 7093386002 | ND |
2019-07-16 | 7097758001 | ND |
2019-07-16 | 7097758002 | ND |