1,2,4-Trichlorobenzene
Canada Woods Water Company
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 | 5 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-04-06 | CA2702588_029_029-201804061010 | ND |
| 2018-07-31 | CA2702588_029_029-201807310900 | ND |
| 2018-10-11 | CA2702588_029_029-201810110924 | ND |
| 2019-01-29 | CA2702588_029_029-201901291100 | ND |
| 2019-03-28 | CA2702588_027_027-201903281216 | ND |
| 2019-08-27 | CA2702588_002_002-201908271134 | ND |
| 2019-08-27 | CA2702588_001_001-201908271122 | ND |
| 2019-12-12 | CA2702588_008_008-201912120829 | ND |
| 2021-12-20 | CA2702588_010_010-202112201000 | ND |
| 2021-12-20 | CA2702588_028_028-202112201015 | ND |
| 2022-12-08 | CA2702588_002_002-202212081340 | ND |
| 2022-12-08 | CA2702588_001_001-202212081320 | ND |
| 2022-12-13 | CA2702588_029_029-202212131210 | ND |
| 2023-02-14 | CA2702588_029_029-202302141300 | ND |