1,1,1,2-Tetrachloroethane
City of Pampa
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
17
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 | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-06-25 | Q1423571003 | ND |
| 2014-06-25 | Q1423571002 | ND |
| 2015-05-26 | Q1519314008 | ND |
| 2015-05-26 | Q1519314011 | ND |
| 2015-12-01 | Q1547330001 | ND |
| 2016-03-15 | Q1610754008 | ND |
| 2016-03-15 | Q1610754006 | ND |
| 2016-03-15 | Q1610754001 | ND |
| 2017-01-31 | Q1704451002 | ND |
| 2017-04-26 | Q1716946013 | ND |
| 2017-04-26 | Q1716946011 | ND |
| 2018-02-05 | Q1804320013 | ND |
| 2018-02-05 | Q1804320008 | ND |
| 2018-04-18 | Q1816136004 | ND |
| 2019-02-13 | Q1906860003 | ND |
| 2019-02-13 | Q1906860005 | ND |
| 2019-05-15 | Q1925442002 | ND |