Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Bcwsa New Hope

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
2018-05-108043140-02ND
2018-05-108043140-03ND
2019-03-279002935-01ND
2019-03-279002936-01ND
2020-03-0921833921.00ND
2020-03-0921833945.00ND
2020-11-1723350025.00ND
2021-03-0824046660.00ND
2021-03-0824046609.00ND
2022-03-1426275793.00ND
2022-03-1826275620.00ND
2023-03-1328688367.00ND
2023-05-0828885900.00ND
2023-07-2829289292.00ND