1,1-Dichloroethylene
Town of Colfax
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-10-27 | AD98977 | ND |
2014-10-27 | AD98977 | ND |
2015-08-03 | 35200714001 | ND |
2015-08-03 | 35200714001 | ND |
2017-10-18 | 35343122001 | ND |
2017-10-18 | 35343122002 | ND |
2017-10-18 | 35343122001 | ND |
2017-10-18 | 35343122002 | ND |