1,1,1,2-Tetrachloroethane
Lamont Public Utility District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
21
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 | 8 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-07-15 | 5806-026-0630 | ND |
2014-07-16 | 5806-024-0740 | ND |
2014-07-16 | 5806-022-0900 | ND |
2014-07-16 | 5806-010-1050 | ND |
2014-07-16 | 5806-009-0800 | ND |
2014-07-16 | 5806-007-0920 | ND |
2014-07-16 | 5806-006-0830 | ND |
2014-07-17 | 5806-005-1435 | ND |
2016-02-12 | 5806-026-0830 | ND |
2017-05-02 | 5806-026-1110 | ND |
2017-09-19 | 5806-006-0945 | ND |
2017-09-19 | 5806-024-0835 | ND |
2017-09-19 | 5806-022-1110 | ND |
2017-09-19 | 5806-010-1255 | ND |
2017-09-19 | 5806-009-0915 | ND |
2017-09-19 | 5806-007-1135 | ND |
2017-09-19 | 5806-005-1220 | ND |
2018-03-19 | 5806-026-0855 | ND |
2019-02-20 | 5806-026-1030 | ND |
2019-05-07 | 5806-026-0000 | ND |
2019-10-22 | 5806-026-1127 | ND |