1,2,4-Trichlorobenzene
City of Mount Pleasant
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 | 1 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-09-04 | Q1441621005 | ND |
2015-09-01 | Q1534001006 | ND |
2016-03-09 | Q1610035014 | ND |
2016-05-31 | Q1621674005 | ND |
2016-09-08 | Q1636517006 | ND |
2016-11-21 | Q1650776006 | ND |
2017-02-16 | Q1706930009 | ND |
2018-02-20 | Q1807015002 | ND |
2019-03-11 | Q1910044012 | ND |
2019-05-30 | Q1930166008 | ND |
2019-09-19 | Q1966999007 | ND |
2019-11-25 | Q1978057008 | ND |