1,2,4-Trichlorobenzene
Bass Mobile Home Court
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-03-26 | 3001197 | ND |
| 2014-06-24 | 3054271 | ND |
| 2014-09-30 | 14100278 | ND |
| 2014-12-29 | 14121866 | ND |
| 2015-03-18 | ND | |
| 2015-06-09 | ND | |
| 2015-09-24 | ND | |
| 2015-12-09 | ND | |
| 2016-03-22 | 16031833 | ND |
| 2016-06-16 | 37729_16-19672 | ND |
| 2016-09-27 | 37729_16-34173 | ND |
| 2016-12-13 | 37729_16-43458 | ND |
| 2017-03-29 | 37729_17-10855 | ND |
| 2017-06-14 | 37729_17-20243 | ND |
| 2017-09-25 | 37729_17-35650 | ND |
| 2017-12-19 | 37729_17-48335 | ND |
| 2018-03-22 | 37729_18-12300 | ND |
| 2018-05-22 | 37729_18-20490 | ND |
| 2018-09-27 | 37729_18-40770 | ND |
| 2018-12-19 | 37729_18-53145 | ND |
| 2019-03-20 | 35456110001_1271 | ND |
| 2019-06-13 | 35476102001_1271 | ND |
| 2019-08-26 | 35493638001_1271 | ND |
| 2019-12-10 | 35518317001_1271 | ND |