1,1,1,2-Tetrachloroethane
Ranch Crest Subdivision
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-09-15 | AC66906 | ND |
2014-09-15 | AC66908 | ND |
2015-06-24 | AC97254 | ND |
2015-06-24 | AC97262 | ND |
2016-11-15 | AD58043 | ND |
2016-11-15 | AD58045 | ND |
2017-10-04 | AD99312 | ND |
2017-10-04 | AD99314 | ND |
2018-09-11 | AE39612 | ND |
2018-09-11 | AE39600 | ND |
2019-07-30 | AE76419 | ND |