1,2,4-Trichlorobenzene
Aquarion Water Company of Connecticut - Valley System
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-02-06 | 201401781-VOC1 | ND |
2014-02-06 | 201401783-VOC1 | ND |
2014-02-06 | 201401778-VOC1 | ND |
2015-02-05 | 201501690-VOC1 | ND |
2015-02-05 | 201501687-VOC1 | ND |
2015-10-21 | 201515272-VOC1 | ND |
2016-02-03 | 201601668-VOC1 | ND |
2016-02-03 | 201601672-VOC1 | ND |
2016-02-03 | 201601674-VOC1 | ND |
2017-02-08 | 201702259-VOC1 | ND |
2017-02-08 | 201702257-VOC1 | ND |
2017-06-22 | 201709340-VOC1 | ND |
2018-02-06 | 201801688-VOC1 | ND |
2018-04-30 | 201805765-VOC1 | ND |
2019-02-05 | 201901652-VOC1 | ND |
2019-02-05 | 201901650-VOC1 | ND |
2019-12-16 | 201920349-VOC1 | ND |