1,2,4-Trichlorobenzene
Aurora, City of
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 | 3 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 6 | 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 |
---|---|---|
2014-06-02 | 294484 | ND |
2014-06-02 | 294483 | ND |
2014-10-07 | 328655 | ND |
2015-01-19 | 343365 | ND |
2015-01-26 | 343366 | ND |
2015-01-26 | 343367 | ND |
2015-04-13 | 353486 | ND |
2015-04-13 | 353655 | ND |
2015-04-13 | 353656 | ND |
2015-08-17 | 382676 | ND |
2015-10-14 | 392088 | ND |
2016-01-20 | ND | |
2016-04-11 | ND | |
2016-04-18 | ND | |
2016-07-05 | ND | |
2016-10-18 | ND | |
2017-01-25 | ND | |
2017-03-07 | ND | |
2017-04-17 | ND | |
2017-06-12 | ND | |
2017-07-17 | ND | |
2017-09-11 | ND | |
2017-10-11 | ND | |
2018-01-02 | 530775 | ND |
2018-02-12 | 530776 | ND |
2018-04-02 | 542343 | ND |
2018-04-02 | 542344 | ND |
2018-04-30 | 542345 | ND |
2018-07-10 | 560172 | ND |
2018-10-15 | 577021 | ND |
2019-01-14 | 590564 | ND |
2019-04-08 | 604133 | ND |
2019-04-15 | 607671 | ND |
2019-07-08 | 621122 | ND |
2019-10-07 | 638520 | ND |
2019-11-18 | 638521 | ND |