1,1,1,2-Tetrachloroethane
Desert Water Agency
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 |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 22 | 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 |
---|---|---|
2016-11-16 | 9590-060-1030 | ND |
2019-05-24 | 4790-060-1345 | ND |
2019-05-24 | 4790-029-1410 | ND |
2019-05-24 | 4790-030-0955 | ND |
2019-05-24 | 4790-031-0730 | ND |
2019-05-24 | 4790-043-0930 | ND |
2019-06-19 | 4790-026-1300 | ND |
2019-06-19 | 4790-046-1110 | ND |
2019-06-19 | 4790-033-1430 | ND |
2019-06-19 | 4790-044-1150 | ND |
2019-07-10 | 4790-040-0950 | ND |
2019-07-24 | 4790-025-1000 | ND |
2019-07-24 | 4790-031-1030 | ND |
2019-07-24 | 4790-039-0730 | ND |
2019-07-25 | 4790-024-0200 | ND |
2019-08-06 | 4790-038-1020 | ND |
2019-08-06 | 4790-034-0745 | ND |
2019-08-29 | 4790-045-0940 | ND |
2019-08-29 | 4790-032-1105 | ND |
2019-08-29 | 4790-047-0740 | ND |
2019-08-29 | 4790-019-1025 | ND |
2019-09-24 | 4790-037-0740 | ND |
2019-10-17 | 4790-027-0645 | ND |