1,1,1,2-Tetrachloroethane
Barkers Landing
NOTE: Barkers Landing purchases water from Church Creek which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Church Creek.
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Samples
Samples exceeding legal limit (MCL)
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 | 4 | 0 | ND |
| 2016 | ND | 1 | 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
NOTE: Barkers Landing purchases water from Church Creek which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Church Creek.
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-10 | L5116259-1 VOC | ND |
| 2014-09-10 | L5153553-1 VOC | ND |
| 2014-09-10 | L5154143-1-VOC | ND |
| 2014-09-11 | L5154146-1 VOC | ND |
| 2015-06-17 | L5500849-VOC | ND |
| 2015-09-25 | L5531583-1 VOC | ND |
| 2015-09-28 | L5540445-1 VOC | ND |
| 2015-09-28 | L5540573-1 VOC | ND |
| 2016-03-30 | L6019355-1 VOC | ND |
| 2016-03-30 | L6019371-1 VOC | ND |
| 2016-03-30 | L6022434-1 VOC | ND |
| 2016-03-30 | L6025093-1 VOC | ND |
| 2017-08-31 | L6722595-1 VOC | ND |
| 2017-08-31 | L6739787-1 VOC | ND |
| 2017-08-31 | L6903057-1 VOC | ND |
| 2017-11-07 | L6968858-1 | ND |