1,1,1,2-Tetrachloroethane
Bennington Water Department
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
9
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-02-10 | 1402-02560-001 | ND |
| 2014-02-10 | 1402-02560-002 | ND |
| 2015-02-17 | 1502-02721-001 | ND |
| 2015-11-12 | 1511-24580-001 | ND |
| 2016-02-08 | 1602-02636-001 | ND |
| 2017-02-13 | 1702-03208-001 | ND |
| 2017-02-13 | 1702-03208-003 | ND |
| 2018-02-12 | 1802-03280-001 | ND |
| 2019-02-15 | 1902-03733-001 | ND |