Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Springfield Utility Board

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND50ND
2021ND20ND
2022ND20ND
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
2018-06-261806B8801A-VND
2018-07-11180758501A-VND
2019-07-101907459001-VND
2019-08-291908157801A-VND
2020-07-16202007170409-VND
2020-07-23202007240138-VND
2020-07-23202007240137-VND
2020-07-28202007290169-VND
2020-09-17202009180226-VND
2021-07-07202107090886-VND
2021-08-12202108160334-VND
2022-08-0322080314-01-VND
2022-09-2122091159-01-VND
2023-09-1223090569-01A-VND
2023-09-1223090566-01A-VND