1,1,1,2-Tetrachloroethane
Ventura CWWD No. 1 - Moorpark
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
15
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-09-17 | 5867-005-1110 | ND |
| 2014-09-17 | 5867-008-1056 | ND |
| 2014-09-29 | 5867-009-1137 | ND |
| 2015-06-09 | 5867-016-1425 | ND |
| 2017-08-01 | 5867-005-0912 | ND |
| 2017-08-01 | 5867-009-0932 | ND |
| 2017-08-01 | 5867-016-1004 | ND |
| 2018-08-01 | 5867-005-1145 | ND |
| 2018-08-01 | 5867-009-1218 | ND |
| 2018-08-01 | 5867-016-1204 | ND |
| 2018-10-23 | 5867-008-1200 | ND |
| 2019-08-07 | 5867-005-1133 | ND |
| 2019-08-07 | 5867-008-1110 | ND |
| 2019-08-07 | 5867-009-1013 | ND |
| 2019-08-07 | 5867-016-1040 | ND |