1,1,1,2-Tetrachloroethane
Elkhart Public Works and Utilities
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
14
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2015-12-11 | 3372926RV-1504 | ND |
| 2015-12-11 | 3372927RV-1504 | ND |
| 2015-12-11 | 3372928RV-1504 | ND |
| 2018-11-16 | 18112225NWWF | ND |
| 2018-11-16 | 18112225RV-1804 | ND |
| 2018-11-16 | 18112225SWF | ND |
| 2019-03-26 | 4241458 | ND |
| 2019-03-26 | 4241459 | ND |
| 2019-03-26 | 4241460 | ND |
| 2019-07-26 | 460074 | ND |
| 2019-08-23 | 463036 | ND |
| 2019-09-27 | 467152 | ND |
| 2019-10-25 | 469503 | ND |
| 2019-11-22 | 472060 | ND |