1,1,1,2-Tetrachloroethane
Watchtower Bible Tract Society
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
24
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 | 7 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-07-09 | 296535-02POCS | ND |
| 2014-07-09 | 296534-02 POCS | ND |
| 2014-07-09 | 296535-06POC | ND |
| 2014-07-09 | 296534-04POCS | ND |
| 2014-07-09 | 296535-08POCS | ND |
| 2014-07-09 | 296535-04POCS | ND |
| 2014-07-09 | 296534-06POCS | ND |
| 2015-07-23 | 307161-04POCS | ND |
| 2015-07-23 | 307162-06 | ND |
| 2015-07-23 | 307161-02POCS | ND |
| 2015-07-23 | 307161-06 | ND |
| 2015-07-23 | 307162-04POCS | ND |
| 2015-07-23 | 307162-08POCS | ND |
| 2015-07-23 | 307162-02PIOCS | ND |
| 2016-07-20 | 317744-04POCS | ND |
| 2016-07-20 | 317744-08POCS | ND |
| 2016-07-20 | 317745-04POCS | ND |
| 2016-07-20 | 317745-02POCS | ND |
| 2016-07-20 | 317744-02POCS | ND |
| 2016-07-20 | 317744-06POCS | ND |
| 2016-07-20 | 317745-06POCS | ND |
| 2018-07-31 | 420-140368-1POCS | ND |
| 2019-08-08 | 420-158308-1POCS | ND |
| 2019-08-08 | 420-158308-4POCS | ND |