1,1,1,2-Tetrachloroethane
Dogwood Hills
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
16
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 | 4 | 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 |
---|---|---|
2015-08-19 | AD04695 | ND |
2015-09-28 | AD08768 | ND |
2015-09-28 | AD08738 | ND |
2016-03-30 | AD31166 | ND |
2016-03-30 | AD31190 | ND |
2016-03-30 | AD31164 | ND |
2016-06-15 | AD40760 | ND |
2017-09-08 | AD95455 | ND |
2017-09-08 | AD95449 | ND |
2017-09-08 | AD95445 | ND |
2018-03-20 | AE19092 | ND |
2018-03-20 | AE19094 | ND |
2018-03-20 | AE19086 | ND |
2019-11-07 | AE88911 | ND |
2019-11-07 | AE88915 | ND |
2019-11-07 | AE88909 | ND |