1,1,1,2-Tetrachloroethane
Oconee County - Watkinsville
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-04-29 | AI38856 | ND |
| 2014-04-29 | AI38857 | ND |
| 2014-05-27 | AI41351 | ND |
| 2015-11-12 | AJ00940 | ND |
| 2016-08-17 | AJ23084 | ND |
| 2016-08-17 | AJ23085 | ND |
| 2016-08-17 | AJ23086 | ND |
| 2016-08-17 | AJ23087 | ND |
| 2016-08-17 | AJ23088 | ND |
| 2017-10-11 | AJ71271 | ND |
| 2017-10-11 | AJ71272 | ND |
| 2019-03-18 | AK13407 | ND |
| 2019-03-18 | AK13408 | ND |
| 2019-03-18 | AK13409 | ND |
| 2019-03-18 | AK13410 | ND |
| 2019-03-18 | AK13411 | ND |