1,1,1,2-Tetrachloroethane
City of Moses Lake
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
32
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 | 1 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 12 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2015-03-10 | 74810 | ND |
| 2016-03-08 | ND | |
| 2016-06-20 | ND | |
| 2016-06-20 | ND | |
| 2016-06-20 | ND | |
| 2016-06-20 | ND | |
| 2016-09-20 | ND | |
| 2016-09-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-20 | ND | |
| 2017-06-26 | ND | |
| 2017-06-26 | ND | |
| 2017-06-26 | ND | |
| 2017-06-26 | ND | |
| 2017-11-27 | ND | |
| 2018-01-31 | ND | |
| 2018-04-03 | ND | |
| 2018-06-28 | ND | |
| 2018-09-11 | ND | |
| 2018-11-06 | ND | |
| 2019-03-26 | ND | |
| 2019-07-09 | ND | |
| 2019-07-29 | ND | |
| 2019-10-01 | ND | |
| 2019-11-12 | ND | |
| 2019-11-12 | ND | |
| 2019-12-03 | ND |