1,1,1,2-Tetrachloroethane
Onalaska Waterworks
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 5 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-07-08 | 4070275-01 | ND |
2014-07-08 | 4070279-03 | ND |
2014-07-08 | 4070279-02 | ND |
2014-07-08 | 4070279-04 | ND |
2014-11-06 | 4110207-01 | ND |
2015-02-10 | 5020284-02 | ND |
2015-06-26 | 5061036-01 | ND |
2015-09-10 | 5090443-01 | ND |
2015-11-03 | 5110077-01 | ND |
2016-02-16 | 6020498-01 | ND |
2016-04-28 | 6041104-01 | ND |
2016-06-15 | 6060645-01 | ND |
2016-08-11 | 6080496-01 | ND |
2016-10-19 | 6100648-01 | ND |
2017-02-15 | 17B0533-01 | ND |
2017-04-04 | 17D0078-03 | ND |
2017-04-18 | 17D0620-03 | ND |
2017-04-18 | 17D0620-04 | ND |
2017-04-18 | 17D0620-02 | ND |
2017-07-11 | 17G0287-03 | ND |
2017-10-05 | 17J0221-01 | ND |
2018-01-30 | 18A0837-01 | ND |
2019-01-30 | 19A0901-02 | ND |