cis-1,2-Dichloroethylene
26 Chandler Ave. Condos
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 | 1.000 ppb | 1 | 1 | 1.000 ppb |
2015 | 0.950 ppb | 2 | 2 | 0.800 ppb - 1.10 ppb |
2016 | 0.950 ppb | 4 | 4 | 0.800 ppb - 1.10 ppb |
2017 | 0.325 ppb | 4 | 2 | ND - 0.700 ppb |
2018 | 0.275 ppb | 4 | 2 | ND - 0.600 ppb |
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 |
---|---|---|
2014-07-15 | 1407-00465-001 | 1.000 ppb |
2015-09-14 | 1509-01000-001 | 0.800 ppb |
2015-10-21 | 1510-01565-001 | 1.10 ppb |
2016-01-13 | 1601-00949-001 | 1.000 ppb |
2016-04-05 | 1604-00434-001 | 1.10 ppb |
2016-08-09 | 1608-01158-001 | 0.800 ppb |
2016-10-04 | 1610-00352-001 | 0.900 ppb |
2017-03-01 | 1703-00095-001 | ND |
2017-04-03 | 1704-00117-001 | 0.600 ppb |
2017-07-13 | 1707-01433-001 | 0.700 ppb |
2017-10-03 | 1710-00397-001 | ND |
2018-01-02 | 1801-00046-001 | ND |
2018-06-20 | 1806-02650-001 | 0.500 ppb |
2018-07-03 | 1807-00242-001 | 0.600 ppb |
2018-10-09 | 1810-01108-001 | ND |
2019-01-15 | 1901-01297-001 | ND |
2019-04-11 | 1904-01454-001 | ND |
2019-07-11 | 1907-01495-001 | ND |
2019-10-23 | 1910-03077-001 | ND |