1,2,4-Trichlorobenzene
Bellwood, Village of
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2016-04-04 | ND | |
| 2016-07-20 | ND | |
| 2016-08-23 | ND | |
| 2016-10-19 | ND | |
| 2017-03-08 | ND | |
| 2017-07-05 | ND | |
| 2017-08-31 | ND | |
| 2017-10-24 | ND | |
| 2018-01-10 | 530779 | ND |
| 2018-04-05 | 542406 | ND |
| 2018-07-19 | 560175 | ND |
| 2018-10-24 | 577023 | ND |
| 2019-01-15 | 590565 | ND |
| 2019-04-23 | 602864 | ND |
| 2019-07-25 | 621123 | ND |
| 2019-07-25 | 624641 | ND |
| 2019-10-23 | 638526 | ND |