Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Mt. Joy Boro Authority

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020ND50ND
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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021802872.00ND
2020-02-2021981384.00ND
2020-02-2821981408.00ND
2020-03-0321981331.00ND
2020-04-0922171147.00ND
2021-01-1923849112.00ND
2022-06-0726995884.00ND
2023-05-1529059256.00ND
2023-05-1629059257.00ND
2023-06-0429260280.00ND