Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Aqua Pa West Chester

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND20ND

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
2018-01-29AF74444ND
2018-02-22AF77012ND
2018-03-22AF78070ND
2019-03-06AG10280ND
2019-03-06AG10262ND
2019-03-06AG10272ND
2019-03-07AG10725ND
2020-03-1021839032.00ND
2020-03-1121839011.00ND
2020-04-0222014467.00ND
2021-02-1023881870.00ND
2021-02-1023881891.00ND
2021-02-1023881912.00ND
2022-01-2825934702.00ND
2022-02-2426110790.00ND
2022-03-2826280767.00ND
2023-03-2328514079.00ND
2023-03-2828514100.00ND