1,1,1,2-Tetrachloroethane
City of Giddings
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 | 1 | 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 |
|---|---|---|
| 2014-02-11 | AC42063 | ND |
| 2015-02-09 | AC79710 | ND |
| 2015-02-09 | AC79718 | ND |
| 2016-04-12 | AD32839 | ND |
| 2016-07-26 | AD45687 | ND |
| 2017-09-05 | AD94743 | ND |
| 2017-09-05 | AD94759 | ND |
| 2018-06-14 | AE30046 | ND |
| 2018-06-14 | AE30044 | ND |
| 2019-06-12 | AE70353 | ND |
| 2019-06-12 | AE70359 | ND |