Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Paw Glen Alsace Div

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.

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND70ND
2020ND120ND
2021ND30ND
2022ND30ND
2023ND150ND

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
2018-02-1338538801ND
2018-02-1338539501ND
2018-02-1338539201ND
2019-02-0642853101ND
2019-02-0642853301ND
2019-02-0642853201ND
2019-07-2245717501ND
2019-07-2245717601ND
2019-07-2245717401ND
2019-07-2946133302ND
2020-02-1021708718.00ND
2020-02-1021708697.00ND
2020-02-1021708676.00ND
2020-02-1021708763.00ND
2020-02-1021708784.00ND
2020-02-1121708742.00ND
2020-02-1121708613.00ND
2020-02-1121708634.00ND
2020-02-1121708655.00ND
2020-02-1721708829.00ND
2020-02-1721708808.00ND
2020-02-1721708850.00ND
2021-02-1023928435.00ND
2021-02-1023928414.00ND
2021-02-1023928456.00ND
2022-02-1026157278.00ND
2022-02-1026157309.00ND
2022-02-1026157259.00ND
2023-02-0928389644.00ND
2023-02-0928389576.00ND
2023-02-0928389620.00ND
2023-02-0928389555.00ND
2023-02-0928389597.00ND
2023-02-0928389492.00ND
2023-02-0928389471.00ND
2023-02-0928389429.00ND
2023-02-0928389534.00ND
2023-02-0928389670.00ND
2023-02-0928389513.00ND
2023-02-0928389450.00ND
2023-04-1028750984.00ND
2023-07-1129348351.00ND
2023-10-0929929558.00ND