1,1-Dichloroethylene
City of Shelby
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 | 1 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 0 | ND |
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 |
---|---|---|
2014-01-14 | 92186367003 | ND |
2014-01-14 | 92186367001 | ND |
2015-01-15 | ND | |
2016-01-11 | 92282574004VOC | ND |
2016-04-06 | 92292698002VOC | ND |
2016-07-19 | 92305692001VOC | ND |
2016-12-21 | 92324208001VOC | ND |
2017-01-04 | 92325486001VOC | ND |
2017-04-05 | 92336010005VOC | ND |
2017-07-12 | 92347401007VOC | ND |
2017-10-04 | 92357766001VOC | ND |
2018-01-18 | 92370071001VOC | ND |
2018-04-04 | 92379547001VOC | ND |
2018-07-11 | 92391771001VOC | ND |
2018-10-03 | DW21704_L1032064 | ND |
2019-01-16 | 92414244002_1271 | ND |
2019-04-03 | 92423849001_1271 | ND |
2019-07-10 | 37729_19-29184 | ND |
2019-10-02 | 92447965001_1271 | ND |