1,2,4-Trichlorobenzene
Kingston Town Water Utilities
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
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 | 2 | 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 |
|---|---|---|
| 2014-12-03 | EN2014-00006590 | ND |
| 2015-11-04 | EN2015-00005625 | ND |
| 2016-03-07 | EN2016-00000953 | ND |
| 2016-06-20 | EN2016-00002906 | ND |
| 2016-11-03 | EN2016-00005869 | ND |
| 2016-12-11 | EN2016-00006482 | ND |
| 2017-10-17 | EN2017-00006243 | ND |
| 2018-12-12 | EN2018-00006314 | ND |
| 2019-10-02 | 201910040231 | ND |
| 2019-11-19 | 201911220500 | ND |