1,1,1,2-Tetrachloroethane
City of Lemoore
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 0 | ND |
2019 | ND | 13 | 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 |
---|---|---|
2014-07-23 | 5810-018-0935 | ND |
2015-05-21 | 5810-020-1015 | ND |
2016-04-18 | 5810-008-1145 | ND |
2016-04-18 | 5810-009-1355 | ND |
2016-04-18 | 5810-010-1000 | ND |
2016-04-18 | 5810-011-1020 | ND |
2016-05-02 | 5810-005-1045 | ND |
2016-05-03 | 5810-006-0945 | ND |
2016-08-23 | 5810-022-1100 | ND |
2016-08-23 | 5810-021-1115 | ND |
2018-02-06 | 5810-018-0740 | ND |
2018-05-24 | 5810-020-1002 | ND |
2019-05-14 | 5810-005-0935 | ND |
2019-05-14 | 5810-011-1045 | ND |
2019-05-14 | 5810-010-1015 | ND |
2019-05-14 | 5810-009-0955 | ND |
2019-10-19 | 5810-018-1105 | ND |
2019-10-24 | 5810-018-0940 | ND |
2019-11-12 | 5810-018-1000 | ND |
2019-11-14 | 5810-018-1020 | ND |
2019-11-20 | 5810-018-1245 | ND |
2019-12-07 | 5810-018-0820 | ND |
2019-12-13 | 5810-018-1300 | ND |
2019-12-20 | 5810-021-1000 | ND |
2019-12-20 | 5810-022-0930 | ND |