Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Blackjack Water Supply Corporation

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
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
2018-03-22Q1811649001ND
2018-03-22Q1811649011ND
2019-05-21Q1927030006ND
2019-05-21Q1927030008ND
2020-03-09Q2008429001ND
2020-03-09Q2008429003ND
2020-05-07Q2018092003ND
2020-07-30Q2029903003ND
2021-09-29Q2126705005ND
2021-09-29Q2126705007ND
2022-06-13Q2216378006ND
2022-06-13Q2216378008ND
2023-04-03Q2312018003ND
2023-04-03Q2312018005ND