Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Fawn Lake Village

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.

 

12

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
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-09-12Q78234VOCND
2018-09-12Q78235VOCND
2019-09-19R88858VOCND
2019-09-19R88859VOCND
2020-09-28S099668VOCND
2020-09-28S099669VOCND
2021-09-23T111719VOCND
2021-09-23T111720VOCND
2022-09-21U123225VOCND
2022-09-21U123226VOCND
2023-09-14V132382VOCND
2023-09-14V132383VOC2ND