Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Saint Francis Village

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
2018-07-19Q1828773003ND
2018-07-19Q1828773005ND
2018-07-19Q1828773007ND
2018-07-19Q1828773002ND
2019-03-20Q1911627006ND
2019-03-20Q1911627007ND
2019-03-20Q1911627010ND
2019-03-20Q1911627018ND
2020-07-20Q2028181001ND
2020-07-20Q2028181003ND
2020-07-20Q2028181005ND
2020-07-20Q2028181007ND
2021-09-14Q2125001001ND
2021-09-14Q2125001007ND
2021-09-14Q2125001005ND
2021-09-14Q2125001003ND
2022-05-26Q2215264003ND
2022-05-26Q2215264005ND
2022-05-26Q2215264007ND
2022-05-26Q2215264009ND
2023-03-20Q2310438001ND
2023-03-20Q2310438003ND
2023-03-20Q2310438005ND
2023-03-20Q2310438007ND