Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Seven Estates

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND30ND
2021ND20ND
2022ND30ND
2023ND30ND

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
2020-03-05Q2008336001ND
2020-03-05Q2008336003ND
2020-08-27Q2034428005ND
2021-09-13Q2124817001ND
2021-09-13Q2124817003ND
2022-04-27Q2212699005ND
2022-04-27Q2212699007ND
2022-10-19Q2231793003ND
2023-05-04Q2317011001ND
2023-05-04Q2317011003ND
2023-05-04Q2317011005ND