Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Paw Homesite

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
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
2018-01-1038158601ND
2018-04-0439069901ND
2018-07-0340201501ND
2018-10-0441308901ND
2019-01-0942495701ND
2019-04-1043656201ND
2019-07-1645013801ND
2019-10-1046829601ND
2020-02-1221682282.00ND
2020-04-0922039223.00ND
2020-07-0922623449.00ND
2020-10-0623198003.00ND
2021-01-0823727846.00ND
2021-04-0624263156.00ND
2021-08-1225038893.00ND
2021-10-1325420759.00ND
2022-01-0625957940.00ND
2022-04-0626479742.00ND
2022-07-1327053542.00ND
2022-10-0527656704.00ND
2023-01-0528187433.00ND
2023-04-0528718739.00ND
2023-07-0629317601.00ND
2023-10-0529901720.00ND