Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

First U D of Hawkins Company

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

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND30ND
2021ND20ND
2022ND50ND
2023ND70ND

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 Result
2018-01-17ND
2018-02-14ND
2018-05-16ND
2018-07-11ND
2018-12-17ND
2019-02-19ND
2019-03-13ND
2019-04-22ND
2019-07-17ND
2019-11-18ND
2020-01-20ND
2020-01-20ND
2020-11-18ND
2021-03-17ND
2021-03-17ND
2022-03-14ND
2022-03-14ND
2022-05-17ND
2022-07-13ND
2022-11-15ND
2023-01-11ND
2023-01-11ND
2023-01-11ND
2023-06-20ND
2023-07-12ND
2023-08-16ND
2023-10-17ND