Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Northwoods Mhc

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020N/A00N/A
20210.133 ppb31ND - 0.400 ppb
2022ND40ND
2023ND40ND

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
2018-08-28A180604416ND
2021-08-111H02358-02ND
2021-09-221I03644-030.400 ppb
2021-12-011L00467-01ND
2022-02-092B01307-01ND
2022-05-042E00922-01ND
2022-07-062G01141-01ND
2022-11-172K02451-01ND
2023-02-163B02393-01ND
2023-04-273D03593-01ND
2023-07-273G04617-02ND
2023-10-1923102250-001AND