cis-1,2-Dichloroethylene
State College Boro Water Auth.
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 | 5 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-02-12 | 4B12099-01 | ND |
2014-02-12 | 4B12099-02 | ND |
2014-02-12 | 4B12099-03 | ND |
2014-02-12 | 4B12099-04 | ND |
2014-02-12 | 4B12099-05 | ND |
2015-02-12 | 12447174 | ND |
2016-02-16 | 13917305 | ND |
2017-02-15 | 15709927 | ND |
2017-02-15 | 15709928 | ND |
2017-02-15 | 15709929 | ND |
2017-02-15 | 15709930 | ND |
2017-02-15 | 15709931 | ND |
2018-02-14 | 8B14177-01 | ND |
2019-02-12 | 9B12139-01 | ND |