1,2,4-Trichlorobenzene
Sparta Township Water Utility -- Highlands
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-12-08 | 341208038 | ND |
2015-04-23 | 350424030 | ND |
2015-07-23 | 350723058 | ND |
2015-07-23 | 350723057 | ND |
2015-10-20 | 351020156 | ND |
2016-11-29 | 361129018 | ND |
2017-10-20 | 371020048 | ND |
2018-06-13 | 380613214 | ND |
2018-06-13 | 380613215 | ND |
2018-06-13 | 380613216 | ND |
2018-06-13 | 380613217 | ND |
2019-10-30 | 391030107 | ND |