Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Rha Health Services, Llc

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND10ND
2021ND40ND
2022ND10ND
2023ND10ND

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
2018-12-1460600-01ND
2019-10-0473176-01ND
2019-10-0473177-01ND
2020-12-2992514309001_12710ND
2021-03-2692530823001_12710ND
2021-06-3092547629001_12710ND
2021-08-1292556276001_12710ND
2021-12-2192579599001_12710ND
2022-12-212124870-01ND
2023-12-2237729_23-72713ND