1,1,1,2-Tetrachloroethane
Hughson, City Of
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
9
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 | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-07-08 | 1120-003-1332 | ND |
| 2014-07-08 | 1120-005-1342 | ND |
| 2014-07-08 | 1120-014-1311 | ND |
| 2017-07-18 | 3334-003-0830 | ND |
| 2017-07-18 | 3334-005-0840 | ND |
| 2017-07-18 | 3334-014-0820 | ND |
| 2018-08-15 | 3334-003-1046 | ND |
| 2018-08-15 | 3334-005-1150 | ND |
| 2018-08-15 | 3334-014-0910 | ND |