Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Searchlight 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND40ND
2021ND10ND
2022ND30ND
2023ND10ND

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
2018-04-18S1802701002ND
2019-04-17S1904261003ND
2019-04-17S1904261004ND
2019-04-17S1904261005ND
2019-06-06S1912241002ND
2020-04-15S2024409002ND
2020-04-15S2024409003ND
2020-04-15S2024409005ND
2020-04-15S2024450002ND
2021-04-27S2102642001ND
2022-04-11S2202334004ND
2022-04-14S2202503002ND
2022-04-14S2202503003ND
2023-04-17S2302509002ND