1,2,4-Trichlorobenzene
Shawano Co. Utility
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-03-19 | 775750 | ND |
2014-04-15 | 780543 | ND |
2014-08-19 | 811520 | ND |
2014-11-18 | 832018 | ND |
2015-03-17 | 848835 | ND |
2015-06-15 | 865705 | ND |
2015-09-08 | 881303 | ND |
2015-11-17 | 894386 | ND |
2016-02-16 | 905511 | ND |
2016-04-18 | 916035 | ND |
2016-08-09 | 938143 | ND |
2016-10-25 | 955476 | ND |
2017-03-06 | 976137 | ND |
2017-05-30 | 994131 | ND |
2017-09-11 | 1017363 | ND |
2017-10-23 | 1025634 | ND |
2018-02-05 | 1039546 | ND |
2018-06-11 | 1060434 | ND |
2018-08-13 | 1073445 | ND |
2018-11-26 | 1094177 | ND |
2019-02-25 | 1106597 | ND |
2019-05-20 | 1122049 | ND |
2019-09-16 | 1148212 | ND |
2019-10-21 | 1156363 | ND |