1,1,1,2-Tetrachloroethane
Queensbury Water District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
14
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 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 |
|---|---|---|
| 2014-02-04 | BG06439-POCS | ND |
| 2015-02-04 | BH70670POCS | ND |
| 2016-02-03 | BK61434-POCS | ND |
| 2017-02-01 | BX44126-POCS | ND |
| 2018-02-08 | BZ86776-POCS | ND |
| 2018-10-03 | 1810-25852-POCS | ND |
| 2018-10-09 | 1810-25852-POCS | ND |
| 2018-11-28 | JH1809376-POCS | ND |
| 2018-12-10 | JH1809686-POCS | ND |
| 2019-02-06 | CC42034-POCS | ND |
| 2019-02-26 | JH1901197-POCS | ND |
| 2019-02-26 | JH1901197-POCS | ND |
| 2019-06-13 | JH1903743-POCS | ND |
| 2019-09-19 | CE13713-POCS | ND |