Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Bicknell Municipal Utilities

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND40ND
20220.208 ppb41ND - 0.830 ppb
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
2018-11-0818017992001RV-1804ND
2019-02-1319002243001RV-1901ND
2020-02-1020002097001RV-2001ND
2021-01-2521001631-001-0001ND
2021-04-0621006360-001-0001ND
2021-07-1921013950-001-0003ND
2021-10-0521019917-001-0004ND
2022-03-3022005510-001-00010.830 ppb
2022-04-0622006016-001-0002ND
2022-09-1422017362-001-0002ND
2022-10-0450328007003ND
2023-03-0623003973-001-0003ND
2023-04-2423007299-001-0001ND