1,1-Dichloroethane
Sheppard Air Force Base
NOTE: Sheppard Air Force Base purchases water from City of Wichita Falls which is required to test for 1,1-dichloroethane. Sample information shown below was taken by City of Wichita Falls.
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 1 | 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
NOTE: Sheppard Air Force Base purchases water from City of Wichita Falls which is required to test for 1,1-dichloroethane. Sample information shown below was taken by City of Wichita Falls.
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-31 | 3000250 | ND |
| 2014-08-14 | Q1436796018 | ND |
| 2014-08-14 | Q1436796006 | ND |
| 2014-09-08 | 3099460 | ND |
| 2014-11-12 | AC71850 | ND |
| 2014-11-17 | 3140623 | ND |
| 2014-12-08 | 3151423 | ND |
| 2015-02-09 | Q1505019002 | ND |
| 2015-03-24 | 3213444 | ND |
| 2015-05-11 | Q1517193009 | ND |
| 2015-09-22 | Q1537019019 | ND |
| 2016-08-02 | Q1631878001 | ND |
| 2017-03-06 | Q1709227002 | ND |
| 2017-08-07 | Q1733093005 | ND |
| 2018-08-21 | Q1833473002 | ND |
| 2018-11-14 | Q1846491001 | ND |
| 2019-05-14 | Q1925075001 | ND |
| 2019-08-19 | Q1956634012 | ND |