1,1,1,2-Tetrachloroethane
City of Walterboro
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 12 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2016-07-19 | AD79219 | ND |
| 2016-07-19 | AD79224 | ND |
| 2016-07-19 | AD79225 | ND |
| 2016-07-26 | AD79535 | ND |
| 2016-07-26 | AD79534 | ND |
| 2016-07-26 | AD79536 | ND |
| 2016-07-26 | AD79537 | ND |
| 2016-07-28 | AD79820 | ND |
| 2016-07-28 | AD79821 | ND |
| 2016-07-28 | AD79822 | ND |
| 2016-07-28 | AD79823 | ND |
| 2016-08-10 | AD80559 | ND |