cis-1,2-Dichloroethylene
Spinnaker Point
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-01-21 | C317135-01 | ND |
2014-05-28 | C403283-01 | ND |
2014-09-23 | C412450-01 | ND |
2014-10-28 | C412145-01 | ND |
2015-01-27 | ND | |
2015-05-12 | ND | |
2015-07-28 | ND | |
2015-11-03 | ND | |
2016-02-17 | C516136-01 | ND |
2016-05-03 | CZ03430-01 | ND |
2016-08-30 | CZ08475-01 | ND |
2016-08-30 | CZ08475-03 | ND |
2016-10-25 | CZ13876-01 | ND |
2017-11-07 | CA13325-01 | ND |
2018-10-09 | CB14420-01 | ND |
2019-09-11 | CC10690-01 | ND |
2019-10-15 | CC15942-01 | ND |