1,1,1,2-Tetrachloroethane
Monroe Waterworks
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 5 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-08-20 | 812034 | ND |
2014-08-20 | 812026 | ND |
2014-08-20 | 812032 | ND |
2014-08-20 | 812028 | ND |
2014-08-20 | 812030 | ND |
2015-06-03 | 863558 | ND |
2016-09-13 | 945408 | ND |
2017-06-21 | 999452 | ND |
2017-06-21 | 999461 | ND |
2017-06-21 | 999455 | ND |
2017-06-21 | 999458 | ND |
2017-07-11 | 1003000 | ND |