Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Cal Am - Dunnigan

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021ND10ND
2022ND20ND
2023ND40ND

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
2018-05-08CA5700712_001_001-201805081000ND
2019-08-14CA5700712_001_001-201908141300ND
2021-08-12CA5700712_011_011-202108121008ND
2022-03-17CA5700712_001_001-202203171130ND
2022-08-23CA5700712_050_050-202208230900ND
2023-01-17CA5700712_050_050-202301171100ND
2023-05-08CA5700712_050_050-202305081020ND
2023-08-03CA5700712_050_050-202308031050ND
2023-11-08CA5700712_050_050-202311080940ND