1,1-Dichloroethylene
Salem Public Works
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-02-10 | 201402110122-V | ND |
| 2014-06-30 | 201407010127-V | ND |
| 2015-01-29 | 201501300125-V | ND |
| 2015-05-18 | 201505070224-V | ND |
| 2016-05-11 | 201604140078-V | ND |
| 2016-08-23 | 201608050473-V | ND |
| 2016-11-30 | 201611280122-V | ND |
| 2017-01-31 | 201702010756A-V | ND |
| 2017-06-01 | 201706020201-V | ND |
| 2018-01-24 | 201801250239-V | ND |
| 2019-02-07 | 201902080338-V | ND |