1,1,1,2-Tetrachloroethane
Norphlet
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 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 |
---|---|---|
2014-08-04 | 14219009001 | ND |
2015-07-15 | 15197006701 | ND |
2016-01-12 | 16015007301 | ND |
2016-09-07 | 16252008401 | ND |
2017-08-02 | 17215006501 | ND |
2017-11-01 | 17306001201 | ND |
2018-02-26 | 18060002201 | ND |
2018-04-30 | 18123005501 | ND |
2018-07-10 | 18193006501 | ND |
2018-10-29 | 18305001801 | ND |
2019-02-19 | 19052004301 | ND |
2019-02-19 | 19052004401 | ND |
2019-07-15 | 19198002501 | ND |