1,1,1,2-Tetrachloroethane
City of Shenandoah
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-01-16 | AC39261 | ND |
2015-03-09 | AC83227 | ND |
2015-03-09 | AC83201 | ND |
2016-06-21 | AD41375 | ND |
2016-06-21 | AD41383 | ND |
2017-03-13 | AD74682 | ND |
2017-03-13 | AD74674 | ND |
2018-02-23 | AE15413 | ND |
2018-02-23 | AE15481 | ND |
2019-06-20 | AE71524 | ND |
2019-06-20 | AE71526 | ND |
2019-10-24 | AE87572 | ND |