1,1,1,2-Tetrachloroethane
Austin Utilities
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 7 | 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 | 14B1784-01 | ND |
| 2016-03-08 | 16C0451-01 | ND |
| 2016-03-08 | 16C0458-01 | ND |
| 2016-03-08 | 16C0461-01 | ND |
| 2018-12-27 | 18L0844-01 | ND |
| 2019-09-23 | 19I1330-01 | ND |
| 2019-11-20 | 19K0944-01 | ND |
| 2019-11-20 | 19K0944-02 | ND |
| 2019-11-20 | 19K0944-03 | ND |
| 2019-11-20 | 19K0944-05 | ND |
| 2019-11-20 | 19K0944-06 | ND |
| 2019-11-20 | 19K0944-07 | ND |