1,2,4-Trichlorobenzene
West Gate Estates Mobile Hms
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 | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-12-08 | 834625 | ND |
| 2015-03-31 | 851185 | ND |
| 2015-06-24 | 867722 | ND |
| 2015-07-22 | 872508 | ND |
| 2015-09-03 | 880778 | ND |
| 2015-11-02 | 892142 | ND |
| 2016-02-22 | 906101 | ND |
| 2016-05-26 | 923023 | ND |
| 2016-09-30 | 950701 | ND |
| 2016-12-07 | 965062 | ND |
| 2017-03-30 | 980501 | ND |
| 2017-06-28 | 1001005 | ND |
| 2018-07-25 | 1069606 | ND |
| 2018-07-25 | 1069609 | ND |
| 2019-09-26 | 1151535 | ND |