Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Firgrove Mutual Inc

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020N/A00N/A
2021ND110ND
2022ND30ND
2023N/A00N/A

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
2018-05-08ND
2021-04-224109492ND
2021-04-224106995ND
2021-04-224106996ND
2021-05-034115218ND
2021-05-034115220ND
2021-05-044115219ND
2021-05-264122785ND
2021-05-264122784ND
2021-06-104131887ND
2021-08-164163794ND
2021-10-134191674ND
2022-03-044258476ND
2022-03-284268782ND
2022-04-204274621ND