1,1,2,2-Tetrachloroethane
City of Hollister
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
11
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-12 | 1610-001-1205 | ND |
| 2014-06-12 | 1610-002-1145 | ND |
| 2014-06-12 | 1610-005-1015 | ND |
| 2014-06-12 | 1610-006-1315 | ND |
| 2014-06-12 | 1610-007-1250 | ND |
| 2014-06-12 | 1610-009-1055 | ND |
| 2017-06-01 | 1610-001-1011 | ND |
| 2017-06-01 | 1610-002-1045 | ND |
| 2017-06-08 | 1610-005-1150 | ND |
| 2017-06-08 | 1610-006-1236 | ND |
| 2017-06-08 | 1610-007-0916 | ND |