1,2,4-Trichlorobenzene
Bethel Ash Water Supply Corporation Bethel Plant
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 | 3 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-07-24 | Q1430757009 | ND |
2015-01-22 | Q1502407001 | ND |
2015-01-22 | Q1502407003 | ND |
2015-06-25 | Q1524290001 | ND |
2016-02-16 | Q1607039002 | ND |
2016-02-16 | AD23695 | ND |
2016-03-21 | AD29591 | ND |
2016-07-25 | AD45454 | ND |
2016-11-07 | Q1647802001 | ND |
2017-03-15 | Q1711660004 | ND |
2017-05-31 | Q1723094001 | ND |
2017-09-05 | Q1741733002 | ND |
2018-06-26 | Q1825432001 | ND |
2019-03-14 | Q1911007006 | ND |