1,1,1,2-Tetrachloroethane
Redlands City
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 | 18 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 21 | 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 |
---|---|---|
2014-03-06 | 9590-031-0935 | ND |
2014-05-22 | 4790-003-1030 | ND |
2014-05-22 | 4790-069-1040 | ND |
2014-05-22 | 9590-010-0930 | ND |
2014-05-22 | 4790-017-0930 | ND |
2014-05-22 | 4790-021-1005 | ND |
2014-06-12 | 9590-062-1010 | ND |
2014-07-03 | 9590-053-1020 | ND |
2014-07-03 | 9590-029-0920 | ND |
2014-07-24 | 9590-019-1055 | ND |
2014-08-07 | 9590-002-1030 | ND |
2014-08-07 | 9590-054-0840 | ND |
2014-08-07 | 9590-070-1250 | ND |
2014-10-02 | 9590-060-0840 | ND |
2014-10-02 | 9590-008-1000 | ND |
2014-10-30 | 9590-005-1105 | ND |
2014-11-25 | 9590-005-1025 | ND |
2014-12-16 | 9590-055-1115 | ND |
2015-01-08 | 9590-022-0945 | ND |
2015-01-08 | 9590-025-1850 | ND |
2015-03-12 | 9590-005-0900 | ND |
2015-05-21 | 9590-026-1120 | ND |
2015-06-04 | 9590-005-0905 | ND |
2016-05-12 | 9590-026-0915 | ND |
2017-03-23 | 5810-008-0925 | ND |
2017-03-23 | 5810-009-1030 | ND |
2017-03-23 | 5810-010-1115 | ND |
2017-03-23 | 5810-019-0855 | ND |
2018-06-29 | 5810-005-1015 | ND |
2018-12-20 | 4790-005-0855 | ND |
2019-01-24 | 4790-022-0845 | ND |
2019-01-24 | 4790-025-0910 | ND |
2019-06-20 | 4790-035-0930 | ND |
2019-06-27 | 4790-070-1325 | ND |
2019-06-27 | 4790-069-0945 | ND |
2019-06-27 | 4790-003-0845 | ND |
2019-08-19 | 4790-062-0950 | ND |
2019-08-19 | 4790-008-1100 | ND |
2019-08-21 | 4790-021-1140 | ND |
2019-08-22 | 4790-019-1050 | ND |
2019-08-27 | 4790-060-1230 | ND |
2019-08-27 | 4790-053-1350 | ND |
2019-08-27 | 4790-055-0800 | ND |
2019-08-28 | 4790-017-1330 | ND |
2019-08-29 | 4790-029-0945 | ND |
2019-09-10 | 4790-010-0930 | ND |
2019-09-17 | 4790-031-0930 | ND |
2019-09-19 | 4790-026-1020 | ND |
2019-09-19 | 4790-025-0915 | ND |
2019-09-30 | 4790-012-1320 | ND |
2019-09-30 | 4790-022-0910 | ND |