1,2,4-Trichlorobenzene
City of Brandon
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 | 8 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-08-26 | 140827-003VO | ND |
| 2015-08-11 | 150812-001VO | ND |
| 2016-08-09 | 160810-001VO | ND |
| 2016-08-09 | 160810-002VO | ND |
| 2016-08-09 | 160810-003VO | ND |
| 2016-08-09 | 160810-004VO | ND |
| 2016-08-09 | 160810-010VO | ND |
| 2016-08-09 | 160810-011VO | ND |
| 2016-08-09 | 160810-012VO | ND |
| 2016-12-13 | 161214-001VO | ND |
| 2017-09-21 | 170922-001VO | ND |
| 2018-07-18 | 180719-016VO | ND |
| 2019-03-12 | 190313-004VO | ND |
| 2019-05-16 | 190517-001VO | ND |
| 2019-07-24 | 190725-007VO | ND |
| 2019-09-04 | 190905-002VO | ND |