1,1,1,2-Tetrachloroethane
Edom Water Supply Corporation
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-04-02 | Q1813186002 | ND |
| 2018-04-02 | Q1813186007 | ND |
| 2019-07-01 | Q1941197003 | ND |
| 2019-07-01 | Q1941197005 | ND |
| 2020-02-03 | Q2004150001 | ND |
| 2020-04-07 | Q2014329001 | ND |
| 2020-04-07 | Q2014329003 | ND |
| 2021-07-12 | Q2118055007 | ND |
| 2021-07-12 | Q2118055009 | ND |
| 2022-10-20 | Q2231923001 | ND |
| 2022-10-20 | Q2231923009 | ND |
| 2023-08-30 | Q2337554003 | ND |
| 2023-08-30 | Q2337554005 | ND |
| 2023-11-17 | Q2349772001 | ND |