Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Bay Country Estates Mobile Home Park

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
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022N/A00N/A
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
2018-01-06E18002665001ND
2018-01-06E18002665004ND
2018-01-06E18002665006ND
2019-04-25E19003572001ND
2019-04-25E19003572004ND
2019-04-25E19003572006ND
2020-04-02E20003319001ND
2020-04-02E20003319004ND
2020-04-02E20003319006ND
2021-08-12E22000524001ND
2021-08-12E22000524004ND
2021-08-12E22000524006ND
2023-08-09E2400056802ND
2023-08-09E2400056902ND
2023-08-09E2400057002ND