1,1,1,2-Tetrachloroethane
Follett Municipal Water System
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-02-20 | Q1806937002 | ND |
| 2018-02-20 | Q1806937004 | ND |
| 2019-06-19 | Q1937760003 | ND |
| 2019-06-19 | Q1937760005 | ND |
| 2020-02-25 | Q2006921001 | ND |
| 2020-05-05 | Q2017204001 | ND |
| 2021-02-03 | Q2103373003 | ND |
| 2021-07-27 | Q2119584009 | ND |
| 2022-02-01 | Q2203742002 | ND |
| 2022-08-18 | Q2224571002 | ND |
| 2022-10-20 | Q2231941002 | ND |
| 2023-01-11 | Q2301868001 | ND |
| 2023-01-11 | Q2301868003 | ND |