1,1-Dichloroethylene
Tri County Joint Municipal Authority
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 9 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 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) 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 |
---|---|---|
2014-02-20 | 4021747-01 | ND |
2014-03-21 | 4031896-01 | ND |
2014-04-04 | 4040494-01 | ND |
2014-05-09 | 4051036-01 | ND |
2014-05-09 | 4051036-02 | ND |
2014-08-08 | 4080935-01 | ND |
2014-08-08 | 4080935-02 | ND |
2014-11-07 | 4110753-01 | ND |
2014-11-07 | 4110753-02 | ND |
2015-04-24 | 12698085 | ND |
2015-04-24 | 12698065 | ND |
2016-05-20 | 14338734 | ND |
2017-12-07 | 17241117 | ND |
2018-11-07 | 18K0900-01 | ND |
2019-10-02 | 19J1014-01 | ND |