1,1-Dichloroethylene
Freedom District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
15
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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-01-20 | 0060002_01_10681 | ND |
| 2014-08-06 | 0060002_01_00550 | ND |
| 2015-04-27 | 2067373001 | ND |
| 2015-06-11 | E15003916006 | ND |
| 2015-08-31 | E16000843001 | ND |
| 2015-12-21 | 21148690011 | ND |
| 2015-12-21 | 21148700011 | ND |
| 2016-02-17 | E16002977008 | ND |
| 2016-05-15 | 2124305001 | ND |
| 2017-02-13 | 2208108001 | ND |
| 2017-05-31 | E17004688001 | ND |
| 2017-10-02 | 2266147001 | ND |
| 2018-01-22 | 18A1054-01 | ND |
| 2018-07-09 | 18G0572-01 | ND |
| 2019-07-29 | E20000379008 | ND |