1,1,1,2-Tetrachloroethane
Liberty City Water Supply Corporation
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
23
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 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-06-16 | Q1421358001 | ND |
| 2014-06-30 | Q1424517004 | ND |
| 2014-06-30 | Q1424517002 | ND |
| 2015-04-14 | Q1513785002 | ND |
| 2015-04-14 | Q1513785012 | ND |
| 2015-04-14 | Q1513785009 | ND |
| 2015-05-05 | Q1516377002 | ND |
| 2016-05-12 | Q1619065010 | ND |
| 2016-05-12 | Q1619065007 | ND |
| 2016-05-12 | Q1619065005 | ND |
| 2016-05-12 | Q1619065004 | ND |
| 2017-03-28 | Q1712865022 | ND |
| 2017-03-28 | Q1712865004 | ND |
| 2017-03-28 | Q1712865021 | ND |
| 2017-03-28 | Q1712865002 | ND |
| 2018-06-14 | Q1823909012 | ND |
| 2018-06-14 | Q1823909006 | ND |
| 2018-06-14 | Q1823909010 | ND |
| 2018-06-14 | Q1823909009 | ND |
| 2019-03-28 | Q1912649008 | ND |
| 2019-03-28 | Q1912649013 | ND |
| 2019-03-28 | Q1912649012 | ND |
| 2019-03-28 | Q1912649009 | ND |