Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Grissom Farm S/d

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND30ND
2020ND20ND
2021ND10ND
2022ND10ND
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
2018-01-24CA18287-01ND
2018-04-09CB03354-01ND
2018-07-17CB08156-01ND
2018-10-16CB14344-01ND
2019-04-10CC04158-01ND
2019-07-30CC10583-01ND
2019-10-15CC15834-01ND
2020-01-02CC21269-01ND
2020-10-22CD13671-01ND
2021-01-18CD18603-01ND
2022-01-26CE17802-01ND
2023-01-18752-1491-1ND
2023-10-2637729_23-60702ND