1,1,1,2-Tetrachloroethane
Amarillo Municipal Water System
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-05-21 | Q1417423019 | ND |
2014-05-21 | Q1417171003 | ND |
2014-05-21 | Q1417171002 | ND |
2014-05-21 | Q1417423015 | ND |
2015-02-25 | Q1507408002 | ND |
2015-04-28 | Q1515583004 | ND |
2015-04-28 | Q1515583002 | ND |
2015-04-28 | Q1515583006 | ND |
2015-04-28 | Q1515583008 | ND |
2015-11-17 | Q1545289010 | ND |
2016-02-22 | Q1607546011 | ND |
2016-02-22 | Q1607546008 | ND |
2016-04-19 | Q1615677005 | ND |
2016-04-19 | Q1615677004 | ND |
2016-04-19 | Q1615677002 | ND |
2016-09-27 | Q1640717006 | ND |
2016-09-27 | Q1640717020 | ND |
2017-02-07 | Q1705187004 | ND |
2017-02-07 | Q1705187002 | ND |
2017-05-02 | Q1717903003 | ND |
2017-05-02 | Q1717903002 | ND |
2017-09-05 | Q1741028006 | ND |
2018-02-13 | Q1805778003 | ND |
2018-02-13 | Q1805778002 | ND |
2018-05-15 | Q1819741006 | ND |
2018-08-20 | Q1833080002 | ND |
2018-08-20 | Q1833080011 | ND |
2018-11-14 | Q1845954011 | ND |
2019-01-24 | Q1903570004 | ND |
2019-05-02 | Q1918377002 | ND |
2019-07-10 | Q1943223012 | ND |
2019-08-14 | Q1955365001 | ND |
2019-10-09 | Q1972085001 | ND |