1,2,4-Trichlorobenzene
Town of Princess Anne
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 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-07-28 | 0190002_07_00408 | ND |
2014-07-28 | 0190002_08_00408 | ND |
2014-09-12 | 0190002_07_L5251 | ND |
2014-09-12 | 0190002_08_L5251 | ND |
2016-03-30 | E16003664001 | ND |
2017-03-30 | E17003825004 | ND |
2017-03-30 | E17003825006 | ND |
2017-04-04 | L6753780-1 | ND |
2017-04-12 | L6763074_1VOC | ND |
2017-04-19 | L67696073 | ND |
2017-04-19 | L6769607-1 | ND |
2017-04-19 | L6769607-2 | ND |
2017-06-13 | L6853722-1 | ND |