1,1,1,2-Tetrachloroethane
City of Aiken
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2014-05-21 | AD40196 | ND |
| 2014-05-21 | AD40198 | ND |
| 2014-05-21 | AD40200 | ND |
| 2014-05-21 | AD40209 | ND |
| 2015-05-20 | AD55699 | ND |
| 2015-11-09 | AD65512 | ND |
| 2016-02-24 | AD71247 | ND |
| 2016-05-04 | AD75337 | ND |
| 2016-05-04 | AD75324 | ND |
| 2016-09-27 | AD83033 | ND |
| 2017-07-18 | AD97583 | ND |