Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Town of Oakland

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-05-10E18004086004ND
2018-05-10E18004086006ND
2019-07-16E20000191006ND
2019-07-16E20000191008ND
2020-06-02E20003723004ND
2020-06-23E20003928006ND
2021-06-08E21003626004ND
2021-06-08E21003626006ND
2022-06-09E2201077004ND
2022-06-09E2201077006ND
2023-03-02E2300195701ND
2023-03-03E2300195703ND