Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Burr Oak

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

 

49

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND40ND
2021ND90ND
2022ND120ND
2023ND130ND

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
2018-03-08LLH69426ND
2018-05-30LLH82924ND
2018-08-27LLI01494ND
2018-11-19LLI15978ND
2018-11-19LLI15976ND
2018-11-19LLI15977ND
2019-03-07LLI28317ND
2019-06-27LLI46828ND
2019-07-24LLI52063ND
2019-10-10LLI70511ND
2019-12-27LLI86075ND
2020-01-13ND
2020-04-09ND
2020-07-20ND
2020-10-13ND
2021-01-27ND
2021-06-24ND
2021-06-24ND
2021-06-24ND
2021-09-28ND
2021-09-28ND
2021-10-13ND
2021-10-13ND
2021-10-13ND
2022-01-19ND
2022-01-19ND
2022-01-19ND
2022-06-08ND
2022-06-08ND
2022-06-08ND
2022-09-01ND
2022-09-01ND
2022-09-01ND
2022-10-19ND
2022-10-19ND
2022-10-19ND
2023-03-16ND
2023-03-16ND
2023-03-16ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-09-14ND
2023-09-14ND
2023-09-25ND
2023-09-25ND
2023-10-19ND
2023-10-19ND
2023-10-19ND