1,1,1,2-Tetrachloroethane
Memorial Villages Water Authority
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
15
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 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-01-23 | AC77615 | ND |
2015-01-23 | AC77613 | ND |
2015-01-23 | AC77617 | ND |
2016-03-14 | AD28540 | ND |
2016-03-14 | AD28482 | ND |
2016-03-14 | AD28544 | ND |
2017-01-04 | AD62997 | ND |
2017-01-04 | AD62995 | ND |
2017-01-04 | AD62999 | ND |
2018-01-22 | AE09557 | ND |
2018-01-22 | AE09575 | ND |
2018-01-22 | AE09565 | ND |
2019-01-10 | AE49321 | ND |
2019-01-10 | AE49325 | ND |
2019-07-12 | AE74419 | ND |