Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

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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
2020ND30ND
2021ND20ND
2022ND20ND
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
2018-01-29AJ78029ND
2018-01-29AJ78030ND
2019-02-04AK10435ND
2019-02-04AK10436ND
2020-01-27AK40284ND
2020-01-27AK40285ND
2020-01-27AK40286ND
2021-02-01AK68534ND
2021-02-01AK68535ND
2022-02-14AK95330ND
2022-02-14AK95331ND
2023-02-13AL25247ND
2023-02-13AL25248ND
2023-05-24AL32377ND