1,1,1,2-Tetrachloroethane
Travis County Municipal Utility District 4
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 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 |
|---|---|---|
| 2014-08-28 | AC65350 | ND |
| 2015-09-16 | AD07415 | ND |
| 2015-12-03 | AD15478 | ND |
| 2016-03-09 | AD27947 | ND |
| 2016-06-15 | AD40768 | ND |
| 2016-09-07 | AD48196 | ND |
| 2016-09-07 | AD48198 | ND |
| 2017-05-02 | AD82214 | ND |
| 2017-08-10 | AD92779 | ND |
| 2018-02-15 | AE14083 | ND |
| 2018-08-13 | AE36646 | ND |
| 2019-02-14 | AE54602 | ND |
| 2019-08-20 | AE79613 | ND |