Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Jennie Clarkson Home

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND50ND
2021ND30ND
2022ND30ND
2023ND50ND

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
2020-04-13AW06907-POCSND
2020-11-24AW22610-POCSND
2020-11-24AW22612-POCSND
2020-12-02420184511-POCSND
2020-12-02420184513-POCSND
2021-02-08AX02628-POCSND
2021-07-20AX14326-POCSND
2021-07-20AX14328-POCSND
2022-01-19AY01118-POCSND
2022-08-23AY14972-POCSND
2022-08-23AY14974-POCSND
2023-01-23AZ01381-POCSND
2023-09-19AZ17305-POCSND
2023-09-19AZ17307-POCSND
2023-10-19CP29905-POCSND
2023-11-28CP56007-POCSND