1,1,1,2-Tetrachloroethane
Parkhouse
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 | 4 | 0 | ND |
| 2016 | ND | 4 | 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 |
|---|---|---|
| 2014-04-02 | L4974224-1 | ND |
| 2014-04-28 | L5026034-1 | ND |
| 2014-11-07 | L5300357-1 | ND |
| 2015-01-29 | 12285060 | ND |
| 2015-04-01 | 12631022 | ND |
| 2015-07-22 | 13010804 | ND |
| 2015-10-09 | 13387349 | ND |
| 2016-02-19 | 13868708 | ND |
| 2016-05-04 | 14248963 | ND |
| 2016-09-07 | 14906196 | ND |
| 2016-10-19 | 15073680 | ND |
| 2017-01-17 | 15515366 | ND |
| 2017-05-19 | 16255564 | ND |
| 2017-07-21 | 16411253 | ND |
| 2018-05-23 | L6992345-1 | ND |
| 2019-05-09 | L7110022-1 | ND |