1,1,1,2-Tetrachloroethane
Fallbrook 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 |
|---|---|---|
| 2018-04-12 | AE22306 | ND |
| 2018-04-12 | AE22324 | ND |
| 2019-05-22 | AE67711 | ND |
| 2019-05-22 | AE67713 | ND |
| 2020-07-08 | AF18632 | ND |
| 2020-07-08 | AF18652 | ND |
| 2021-05-03 | AF52136 | ND |
| 2021-05-03 | AF52138 | ND |
| 2022-03-23 | AF90216 | ND |
| 2022-03-23 | AF90220 | ND |
| 2023-07-26 | AG50198 | ND |
| 2023-07-26 | AG50204 | ND |