Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Pine Valley Mutual Water Company

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019N/A00N/A
2020N/A00N/A
2021ND50ND
2022ND10ND
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
2018-10-15CA3710039_010_010-201810150925ND
2018-10-15CA3710039_001_001-201810150940ND
2018-10-15CA3710039_009_009-201810151025ND
2021-10-11CA3710039_006_006-202110111315ND
2021-10-11CA3710039_010_010-202110111230ND
2021-10-11CA3710039_003_003-202110111240ND
2021-10-12CA3710039_005_005-202110121005ND
2021-10-12CA3710039_001_001-202110121150ND
2022-10-27CA3710039_009_009-202210270845ND