Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Youngs Manor

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
2019ND20ND
2020ND20ND
2021ND40ND
2022ND40ND
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
2018-10-03C039831-02-POCSND
2018-10-03C039831-03-POCSND
2019-11-22C050209-04-POCSND
2019-11-22C050209-03-POCSND
2020-08-24C056646-01-POCSND
2020-08-24C056646-02-POCSND
2021-06-09C064193-03-POCSND
2021-06-09C064193-04-POCSND
2021-10-21420-209547-1-POCSND
2021-10-21420-209547-2-POCSND
2022-06-29420-228145-1-POCSND
2022-09-30420-236642-1-POCSND
2022-11-2122K3143-03-POCSND
2022-11-2122K3143-02-POCSND