1,1,1,2-Tetrachloroethane
Solano Irrigation District - Pleasant Hills Ranch
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-03-12 | 5810-001-1110 | ND |
| 2014-03-12 | 5810-003-1155 | ND |
| 2015-03-17 | 5810-001-1120 | ND |
| 2015-03-17 | 5810-003-1030 | ND |
| 2016-03-16 | 5810-001-1020 | ND |
| 2016-03-16 | 5810-003-0920 | ND |
| 2017-03-15 | 5810-001-1140 | ND |
| 2017-03-15 | 5810-003-1050 | ND |
| 2018-03-13 | 5810-001-0825 | ND |
| 2018-03-13 | 5810-003-0855 | ND |
| 2018-05-10 | 5810-004-1015 | ND |
| 2018-08-23 | 5810-004-0920 | ND |
| 2018-11-15 | 5810-004-1120 | ND |
| 2019-03-11 | 5810-001-1000 | ND |
| 2019-03-11 | 5810-003-0810 | ND |