1,1,1,2-Tetrachloroethane
Warrington Twp Water&sew Dept
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
21
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 | 9 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 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 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 |
|---|---|---|
| 2014-01-27 | L4861062-1 | ND |
| 2014-01-27 | L4861067-1 | ND |
| 2014-01-27 | L4861062-3 | ND |
| 2014-01-27 | L4861062-4 | ND |
| 2014-01-27 | L4861062-5 | ND |
| 2014-03-13 | L4940517-1 | ND |
| 2014-03-13 | L4940517-2 | ND |
| 2014-06-12 | L5059467-1 | ND |
| 2014-09-19 | L5205522-1 | ND |
| 2015-01-27 | 12274344 | ND |
| 2015-01-27 | 12274290 | ND |
| 2015-01-27 | 12274236 | ND |
| 2015-01-27 | 12274182 | ND |
| 2015-01-27 | 12274128 | ND |
| 2016-02-05 | 13857879 | ND |
| 2016-02-05 | 13857933 | ND |
| 2016-02-05 | 13857987 | ND |
| 2016-02-05 | 13858041 | ND |
| 2017-01-12 | 15502160 | ND |
| 2017-01-12 | 15502212 | ND |
| 2017-01-12 | 15502264 | ND |