1,1,1,2-Tetrachloroethane
Clear Brook City MUD
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 | ND | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-01-31 | AC41030 | ND |
| 2014-05-21 | AC54880 | ND |
| 2015-02-18 | AC80996 | ND |
| 2015-02-18 | AC80994 | ND |
| 2015-02-18 | AC80976 | ND |
| 2016-01-22 | AD19723 | ND |
| 2016-04-06 | AD32097 | ND |
| 2016-04-06 | AD32109 | ND |
| 2017-01-06 | AD63591 | ND |
| 2017-04-10 | AD78980 | ND |
| 2017-04-10 | AD78972 | ND |
| 2018-02-23 | AE15485 | ND |
| 2018-05-24 | AE27720 | ND |
| 2019-01-29 | AE51971 | ND |
| 2019-01-29 | AE51975 | ND |
| 2019-11-19 | AE89787 | ND |