1,1,1,2-Tetrachloroethane
City of Earth
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 |
|---|---|---|
| 2014-02-12 | Q1404319003 | ND |
| 2015-01-28 | Q1503490001 | ND |
| 2015-04-21 | Q1514848006 | ND |
| 2016-02-04 | Q1605126001 | ND |
| 2016-04-25 | Q1616090002 | ND |
| 2017-01-19 | Q1702731002 | ND |
| 2017-04-11 | Q1714715002 | ND |
| 2018-01-18 | Q1802120001 | ND |
| 2018-04-11 | Q1814883007 | ND |
| 2019-01-22 | Q1903154006 | ND |
| 2019-01-22 | Q1903154002 | ND |