Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Grissom Farm S/d

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND30ND
2020ND20ND
2021ND10ND
2022ND10ND
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
2018-01-24CA18287-01ND
2018-04-09CB03354-01ND
2018-07-17CB08156-01ND
2018-10-16CB14344-01ND
2019-04-10CC04158-01ND
2019-07-30CC10583-01ND
2019-10-15CC15834-01ND
2020-01-02CC21269-01ND
2020-10-22CD13671-01ND
2021-01-18CD18603-01ND
2022-01-26CE17802-01ND
2023-01-18752-1491-1ND
2023-10-2637729_23-60702ND