Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Austin Utilities

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
2018ND10ND
2019ND70ND
2020ND20ND
2021N/A00N/A
2022ND20ND
2023N/A00N/A

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
2018-12-2718L0844-01ND
2019-09-2319I1330-01ND
2019-11-2019K0944-01ND
2019-11-2019K0944-02ND
2019-11-2019K0944-03ND
2019-11-2019K0944-05ND
2019-11-2019K0944-06ND
2019-11-2019K0944-07ND
2020-03-1020C0558-01ND
2020-06-1820F1621-01ND
2022-02-1622B1129-01ND
2022-06-0822F0579-01ND