Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Huttig Waterworks

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-2718060003201ND
2018-10-2918305001209ND
2019-01-2819031001001ND
2019-01-2819031001109ND
2019-05-0119121003308ND
2019-09-0319248002109ND
2020-01-2820030005107ND
2020-06-1620170003902ND
2021-01-2721028015001ND
2021-05-1921140004502ND
2022-01-2422027007501ND
2022-05-23O198471-VOC-1ND
2023-02-14O206558-VOC-1ND
2023-05-30O209502-VOC-1ND