1,1,1,2-Tetrachloroethane
City of Miles
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
9
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 | 3 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2015-05-26 | AC93431 | ND |
| 2015-09-29 | AD08877 | ND |
| 2015-11-03 | AD12415 | ND |
| 2016-03-24 | AD30474 | ND |
| 2016-05-18 | AD37306 | ND |
| 2016-08-02 | AD46905 | ND |
| 2017-03-01 | Q1708976001 | ND |
| 2018-02-22 | Q1807534007 | ND |
| 2019-03-07 | Q1909831003 | ND |