1,2,4-Trichlorobenzene
Shady Oaks Mobile Home Park
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-06-07 | SL5152-2NV | ND |
| 2018-06-07 | SL5152 | ND |
| 2019-06-18 | SM6111-1V | ND |
| 2019-12-09 | TM2910-1 | ND |
| 2020-04-15 | SN2993-1 | ND |
| 2020-05-08 | SN3590-1 | ND |
| 2021-12-01 | SO8309-1 | ND |
| 2021-12-02 | SO8362-2 | ND |
| 2022-03-07 | SP1036-1 | ND |
| 2022-06-14 | SP2993-1 | ND |
| 2022-08-15 | SP4475-1 | ND |
| 2022-09-12 | SP5085-1 | ND |
| 2022-11-02 | SP6334-1 | ND |
| 2023-02-14 | SQ0750-1 | ND |
| 2023-05-23 | SQ2542-1 | ND |
| 2023-06-05 | SP2783-1 | ND |
| 2023-09-18 | SQ5009-1 | ND |
| 2023-11-02 | SQ6051-1 | ND |