Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Town of Berlin

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND20ND
2023ND30ND

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
2018-03-28E18003510004ND
2018-03-28E18003510006ND
2018-03-28E18003510001ND
2019-08-29E20000856001ND
2019-08-29E20000856004ND
2019-08-29E20000856008ND
2020-07-27E21000258006ND
2020-07-27E21000258004ND
2020-07-27E21000258001ND
2021-05-06E21003198001ND
2021-05-06E21003199001ND
2021-05-06E21003200001ND
2022-02-16021622_01_021722256ND
2022-02-16021622_02_021722259ND
2023-05-17E2300288306ND
2023-05-17E2300290201ND
2023-06-08E2300290106ND