1,1,1,2-Tetrachloroethane
Koa of Ely Campground
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 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 |
|---|---|---|
| 2014-12-30 | 1412822-001-V | ND |
| 2015-12-03 | 1512128-001-VOC | ND |
| 2015-12-17 | 1512611-001VOC | ND |
| 2016-03-24 | 201603290067 | ND |
| 2016-06-21 | 201606240159 | ND |
| 2016-12-15 | 6L22011-01 | ND |
| 2017-09-12 | 1709276-001 | ND |
| 2017-10-12 | 1710406-001 | ND |
| 2017-11-21 | 1711690-002 | ND |
| 2018-09-06 | 18090199-001 | ND |
| 2019-09-05 | 19090173-001 | ND |