1,2,4-Trichlorobenzene
Jefferson, Town 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 | 2 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-02-18 | 92189979007 | ND |
2014-02-18 | 92189979007VOC | ND |
2015-12-02 | ND | |
2015-12-02 | ND | |
2015-12-02 | ND | |
2015-12-02 | ND | |
2016-03-28 | V-1603-005 | ND |
2016-03-28 | V-1603-004 | ND |
2016-04-04 | V-1604-002 | ND |
2016-04-04 | V-1604-001 | ND |
2016-07-18 | V-1607-006 | ND |
2016-07-18 | V-1607-005 | ND |
2016-07-18 | V-1607-007 | ND |
2016-10-11 | V-1610-001R | ND |
2017-01-24 | V-1701-012 | ND |
2017-02-23 | 341-17 | ND |
2017-10-25 | 1845-17 | ND |
2017-10-25 | 1847-17 | ND |
2018-08-23 | 1593-18 | ND |
2018-08-23 | 1594-18 | ND |
2018-11-28 | 2376-18 | ND |
2018-11-28 | 2377-18 | ND |
2019-11-21 | 5611-19 | ND |
2019-11-21 | 5612-19 | ND |
2019-11-21 | 5613-19 | ND |