1,1,1,2-Tetrachloroethane
Upper Deerfield Township Water Department
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 4 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-10 | L4861550-5 | ND |
| 2014-04-04 | L4974892-8 | ND |
| 2014-07-11 | L5101806-5 | ND |
| 2014-10-03 | L5240148-11 | ND |
| 2015-01-02 | L5356702-7 | ND |
| 2015-01-02 | L5356702-11 | ND |
| 2015-04-01 | L5489208-5 | ND |
| 2015-07-10 | L5637566-3 | ND |
| 2015-10-02 | L5808077-6 | ND |
| 2016-01-08 | L5953980-3 | ND |
| 2017-04-04 | L6718683-3 | ND |
| 2018-02-06 | 3867948 | ND |
| 2018-02-06 | 3867784 | ND |