1,2,4-Trichlorobenzene
Duval County Crd Benavides
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 | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-02-03 | AC41028 | ND |
2015-02-16 | AC80640 | ND |
2015-03-02 | AC82366 | ND |
2015-09-14 | AD06954 | ND |
2015-11-02 | AD12210 | ND |
2016-02-18 | AD24327 | ND |
2016-02-18 | AD24357 | ND |
2017-02-06 | AD68801 | ND |
2017-02-06 | AD68803 | ND |
2018-01-22 | AE09543 | ND |
2018-01-22 | AE09559 | ND |
2019-03-06 | AE57387 | ND |
2019-03-06 | AE57383 | ND |