1,2,4-Trichlorobenzene
Golden State Water Company - Ojai
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 | 9 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-22 | 2706-002-0915 | ND |
| 2014-01-22 | 2706-003-0845 | ND |
| 2014-01-22 | 2706-004-0855 | ND |
| 2014-01-22 | 2706-007-0925 | ND |
| 2014-01-22 | 2706-010-0905 | ND |
| 2014-01-22 | 2706-012-1150 | ND |
| 2014-01-22 | 2706-013-1055 | ND |
| 2014-02-05 | 2706-015-0930 | ND |
| 2014-05-07 | 2706-015-0845 | ND |
| 2015-01-21 | 2706-015-0945 | ND |
| 2017-02-14 | 9590-002-1005 | ND |
| 2017-02-14 | 9590-003-1048 | ND |
| 2017-02-14 | 9590-004-0950 | ND |
| 2017-02-14 | 9590-007-1025 | ND |
| 2017-02-14 | 9590-010-1015 | ND |
| 2017-02-14 | 9590-015-0944 | ND |