1,2,4-Trichlorobenzene
Foothills Mobile Home Ranch
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 5 ppb
The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against hormone disruption.
EPA Maximum Contaminant
Level (MCL): 70 ppb
The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-31 | AE11609 | ND |
| 2018-01-31 | AE11611 | ND |
| 2018-01-31 | AE11607 | ND |
| 2019-03-11 | AE57833 | ND |
| 2019-03-11 | AE57857 | ND |
| 2019-03-11 | AE57871 | ND |
| 2020-03-25 | AF04538 | ND |
| 2020-03-25 | AF04544 | ND |
| 2020-03-25 | AF04546 | ND |
| 2021-02-03 | AF42462 | ND |
| 2021-06-14 | AF57788 | ND |
| 2021-06-14 | AF57792 | ND |
| 2022-03-02 | AF87267 | ND |
| 2022-06-29 | AG02797 | ND |
| 2022-06-29 | AG02831 | ND |
| 2023-03-07 | Q2309795001 | ND |
| 2023-06-12 | AG44029 | ND |
| 2023-06-12 | AG44031 | ND |