1,1,1,2-Tetrachloroethane
Cottonwood County Water District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
5
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 |
|---|---|---|---|---|
| 2010 | N/A | 0 | 0 | N/A |
| 2011 | N/A | 0 | 0 | N/A |
| 2012 | N/A | 0 | 0 | N/A |
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 5 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
ppb = parts per billion.
State and national drinking water standards and health guidelines
Health Guideline 1 ppb
The health guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion.
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-29 | 1677-001-0830 | ND |
| 2014-04-29 | 1677-002-0930 | ND |
| 2014-04-29 | 1677-003-1000 | ND |
| 2014-04-29 | 1677-004-1020 | ND |
| 2014-04-29 | 1677-005-1045 | ND |