Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Aqua Pa Uwchlan

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND70ND
2020ND60ND
2021ND60ND
2022ND70ND
2023ND80ND

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
2018-01-29AF74449ND
2018-01-31AF73819ND
2018-02-26AF76934ND
2018-02-26AF76935ND
2018-03-13AF77984ND
2018-03-13AF77985ND
2019-03-06AG10268ND
2019-03-06AG10267ND
2019-03-06AG10266ND
2019-03-12AG10439ND
2019-03-12AG10441ND
2019-03-27AG11746ND
2019-11-07AG37520ND
2020-03-1121837126.00ND
2020-03-1121837210.00ND
2020-03-1121837168.00ND
2020-03-1121837147.00ND
2020-03-2621837189.00ND
2020-05-2122205107.00ND
2021-02-1023880031.00ND
2021-02-1023880073.00ND
2021-02-1023880052.00ND
2021-02-2323880115.00ND
2021-02-2323880094.00ND
2021-07-0924819023.00ND
2022-02-1826109279.00ND
2022-02-1826109367.00ND
2022-02-1826109300.00ND
2022-02-1826109321.00ND
2022-02-1826109346.00ND
2022-08-0327224151.00ND
2022-11-2927814206.00ND
2023-02-1728341090.00ND
2023-02-2728341111.00ND
2023-02-2728341132.00ND
2023-03-2128512461.00ND
2023-03-2128512440.00ND
2023-04-1728692207.00ND
2023-05-0128890027.00ND
2023-08-2929691277.00ND