1,1,1,2-Tetrachloroethane
Mills Road Municipal Utility District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 2 | 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 |
|---|---|---|
| 2018-09-13 | AE40046 | ND |
| 2018-09-13 | AE40056 | ND |
| 2019-09-12 | AE83276 | ND |
| 2019-09-12 | AE83286 | ND |
| 2020-04-29 | AF08725 | ND |
| 2020-08-04 | AF21850 | ND |
| 2021-08-11 | AF65871 | ND |
| 2021-08-11 | AF65885 | ND |
| 2022-02-14 | AF84618 | ND |
| 2022-02-14 | AF84624 | ND |
| 2023-10-05 | AG58615 | ND |
| 2023-10-05 | AG58619 | ND |