Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

South Kingstown-south Shore

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022ND10ND
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
2018-09-201804157-01_TO12ND
2019-09-261904399-01_TO12ND
2020-08-032003233-01_TO12ND
2020-08-032003233-03_TO12ND
2020-08-032003233-02_TO12ND
2021-09-282104543-01_TO12ND
2022-09-152204140-01_TO12ND
2023-08-012303773-01_TO12ND
2023-08-012303773-02_TO12ND
2023-08-012303773-03_TO12ND