1,1,1,2-Tetrachloroethane
Alabaster Water Board
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 3 | 0 | ND |
| 2015 | ND | 2 | 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 1 ppb
The EWG 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 |
|---|---|---|
| 2014-02-25 | 140225028-2 | ND |
| 2014-02-25 | 140225028-1 | ND |
| 2014-08-26 | 140826012-1 | ND |
| 2015-03-19 | 150319025-1 | ND |
| 2015-09-22 | 150922016-1 | ND |
| 2016-03-22 | 160322012-1 | ND |
| 2016-08-23 | 160823019-1 | ND |
| 2017-03-17 | 170317018-1 | ND |
| 2017-09-01 | 170901029-1 | ND |
| 2018-01-22 | 180122004-1 | ND |
| 2018-08-30 | 18080773-001A | ND |
| 2019-02-04 | 19020037-001A | ND |
| 2019-07-17 | 20113347001_IVOC | ND |