1,1-Dichloroethane
Westford Water Department
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
20
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 | 8 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 3 ppb
The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-04-23 | ND |
| 2014-04-23 | ND |
| 2014-06-11 | ND |
| 2014-06-11 | ND |
| 2014-07-15 | ND |
| 2014-07-15 | ND |
| 2014-10-27 | ND |
| 2014-10-27 | ND |
| 2015-01-14 | ND |
| 2015-01-14 | ND |
| 2015-05-04 | ND |
| 2015-05-04 | ND |
| 2016-04-05 | ND |
| 2016-04-06 | ND |
| 2017-05-24 | ND |
| 2017-05-24 | ND |
| 2018-05-15 | ND |
| 2018-05-16 | ND |
| 2019-05-01 | ND |
| 2019-05-01 | ND |