Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Harmony 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.

 

6

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
20203.50 ppb113.50 ppb
20210.925 ppb42ND - 2.30 ppb
20222.00 ppb112.00 ppb
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
2020-11-05CA5100125_001_001-2020110507503.50 ppb
2021-01-13CA5100125_001_001-2021011314101.40 ppb
2021-04-12CA5100125_001_001-202104120759ND
2021-07-06CA5100125_001_001-202107060916ND
2021-10-10CA5100125_001_001-2021101008252.30 ppb
2022-01-04CA5100125_001_001-2022010408182.00 ppb