1,2,4-Trichlorobenzene
Aquarion Water Company of Ct-ridgefield 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 |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-03-06 | 201403209-VOC1 | ND |
2014-03-11 | 201403468-VOC1 | ND |
2014-06-18 | 201408467-VOC1 | ND |
2015-04-22 | 201505091-VOC1 | ND |
2015-04-22 | 201505104-VOC1 | ND |
2015-07-08 | 201508897-VOC1 | ND |
2015-07-08 | 201508903-VOC1 | ND |
2015-07-08 | 201508905-VOC1 | ND |
2016-06-07 | 201607150-VOC1 | ND |
2016-06-07 | 201607155-VOC1 | ND |
2016-06-28 | 201608164-VOC1 | ND |
2017-07-03 | 201709883-VOC1 | ND |
2017-07-03 | 201709879-VOC1 | ND |
2017-07-27 | 201711573-VOC1 | ND |
2018-07-03 | 201809506-VOC1 | ND |
2018-07-03 | 201809502-VOC1 | ND |
2018-10-16 | 201816059-VOC1 | ND |
2019-07-02 | 201909838-VOC1 | ND |
2019-07-02 | 201909844-VOC1 | ND |
2019-07-02 | 201909841-VOC1 | ND |