cis-1,2-Dichloroethylene
Newport 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2015-05-20 | AC92812 | ND |
2015-08-12 | AD03866 | ND |
2016-02-09 | AD22796 | ND |
2016-09-27 | AD51553 | ND |
2017-01-10 | AD63994 | ND |
2017-07-21 | AD90388 | ND |
2018-05-15 | AE26417 | ND |
2018-07-30 | AE34951 | ND |
2019-01-16 | AE50192 | ND |
2019-08-23 | AE80701 | ND |