1,1,1,2-Tetrachloroethane
Tuscaloosa Water & Sewer
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
15
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-01-16 | 140116033-2 | ND |
| 2014-01-16 | 140116033-1 | ND |
| 2015-01-22 | 150122022-2 | ND |
| 2016-07-21 | 160721028-002 | ND |
| 2017-01-19 | 170119025-1 | ND |
| 2017-01-19 | 170119025-2 | ND |
| 2018-01-18 | 180118015-1 | ND |
| 2018-01-18 | 180118015-2 | ND |
| 2018-07-19 | 180719026-003 | ND |
| 2018-07-19 | 180719026-001 | ND |
| 2018-07-19 | 180719026-002 | ND |
| 2019-01-24 | 19010606-002A | ND |
| 2019-01-24 | 19010606-005A | ND |
| 2019-01-24 | 19010606-001A | ND |
| 2019-01-24 | 19010606-003A | ND |