Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Lavale Sanitary Commission

NOTE: Lavale Sanitary Commission purchases water from City of Cumberland which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by City of Cumberland.

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND20ND
2022N/A00N/A
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

NOTE: Lavale Sanitary Commission purchases water from City of Cumberland which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by City of Cumberland.

Date Lab ID Result
2018-06-18E18004539004ND
2019-04-109D12069-01ND
2019-04-29E19003622004ND
2020-04-010D04052-01ND
2020-05-06E20003515001ND
2021-04-141D16040-01ND
2021-06-15E21003716006ND
2023-04-12AXD-3030-01ND
2023-05-30E2300300605ND