1,1,1,2-Tetrachloroethane
Apple Valley Ranchos Water Company
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 7 | 0 | ND |
2015 | ND | 17 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-10-01 | 4790-033-0818 | ND |
2014-10-01 | 4790-029-0848 | ND |
2014-10-01 | 4790-025-0930 | ND |
2014-10-01 | 4790-024-0800 | ND |
2014-10-01 | 4790-016-0620 | ND |
2014-10-01 | 4790-008-0722 | ND |
2014-10-01 | 4790-002-1110 | ND |
2015-09-09 | 4790-008-0815 | ND |
2015-09-09 | 4790-036-0700 | ND |
2015-09-09 | 4790-033-0828 | ND |
2015-09-09 | 4790-030-0745 | ND |
2015-09-09 | 4790-029-0900 | ND |
2015-09-09 | 4790-025-0930 | ND |
2015-09-09 | 4790-024-0855 | ND |
2015-09-09 | 4790-004-0625 | ND |
2015-09-09 | 4790-020-0940 | ND |
2015-09-09 | 4790-011-0645 | ND |
2015-09-09 | 4790-017-0715 | ND |
2015-09-16 | 4790-016-0900 | ND |
2015-09-16 | 4790-009-0630 | ND |
2015-09-16 | 4790-013-0915 | ND |
2015-09-16 | 4790-016-0745 | ND |
2015-09-16 | 4790-021-0900 | ND |
2015-09-28 | 4790-014-1530 | ND |
2016-09-07 | 4790-016-0738 | ND |
2016-09-07 | 4790-032-0700 | ND |
2016-09-07 | 4790-033-0845 | ND |
2016-09-07 | 4790-035-0755 | ND |
2016-09-07 | 4790-029-0640 | ND |
2016-09-07 | 4790-025-0920 | ND |
2016-09-07 | 4790-008-0820 | ND |
2016-09-07 | 4790-024-0840 | ND |
2017-09-14 | 4790-029-0910 | ND |
2017-09-14 | 4790-033-0855 | ND |
2017-09-14 | 4790-024-0830 | ND |
2017-09-14 | 4790-008-0750 | ND |
2017-09-27 | 4790-025-0710 | ND |