1,1-Dichloroethylene
City of Hagerstown
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
8
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 | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-04-01 | 0210010_01_04310 | ND |
| 2014-06-11 | 0210010_02_01207 | ND |
| 2015-04-06 | E15003139001 | ND |
| 2015-06-03 | 2074758001 | ND |
| 2015-06-13 | E16004745001 | ND |
| 2017-04-12 | E17004054001 | ND |
| 2018-05-21 | E18004200001 | ND |
| 2019-03-27 | E19003169004 | ND |