1,2,4-Trichlorobenzene
Elmwood Court LLC
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 | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 4 | 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: 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 |
|---|---|---|
| 2018-08-27 | 218721GE | ND |
| 2019-04-25 | 228422 | ND |
| 2019-04-25 | 228425 | ND |
| 2020-05-15 | 246120 | ND |
| 2020-07-20 | 250128 | ND |
| 2021-04-14 | 264020 | ND |
| 2021-04-14 | 264024 | ND |
| 2021-04-14 | 264024XX | ND |
| 2021-04-14 | 264024Y | ND |
| 2022-04-12 | 283596 | ND |
| 2022-07-15 | 290726 | ND |
| 2023-01-24 | 305189 | ND |
| 2023-12-13 | N3L0403-01 | ND |