1,2,4-Trichlorobenzene
City of Highland Village
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 | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-08-18 | Q1437308024 | ND |
2014-08-18 | Q1437308022 | ND |
2014-08-18 | Q1437308020 | ND |
2014-08-18 | Q1437308019 | ND |
2014-08-18 | Q1437308010 | ND |
2015-06-09 | Q1521357009 | ND |
2015-06-09 | Q1521357008 | ND |
2015-08-13 | Q1532069009 | ND |
2015-08-13 | Q1532069005 | ND |
2015-08-13 | Q1532069006 | ND |
2016-03-16 | Q1611305003 | ND |
2016-06-07 | Q1622614016 | ND |
2016-06-07 | Q1622614004 | ND |
2016-06-07 | Q1622614001 | ND |
2016-06-27 | Q1625972004 | ND |
2016-06-27 | Q1625972002 | ND |
2016-09-02 | Q1635674005 | ND |
2016-10-19 | Q1644917003 | ND |
2017-06-15 | Q1725217002 | ND |
2017-06-15 | Q1725217024 | ND |
2017-06-15 | Q1725217022 | ND |
2017-06-15 | Q1725217021 | ND |
2017-10-12 | Q1752251006 | ND |
2018-06-13 | Q1823500010 | ND |
2018-06-13 | Q1823500007 | ND |
2018-06-13 | Q1823500005 | ND |
2018-06-13 | Q1823500003 | ND |
2018-06-13 | Q1823500001 | ND |
2019-08-08 | Q1953062020 | ND |
2019-08-08 | Q1953062028 | ND |
2019-08-08 | Q1953062026 | ND |
2019-08-08 | Q1953062024 | ND |
2019-08-08 | Q1953062022 | ND |