Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Stillwater

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019N/A00N/A
2020ND10ND
2021ND70ND
2022N/A00N/A
2023ND10ND

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
2018-10-2918J1468-01ND
2018-10-2918J1468-02ND
2018-10-2918J1468-03ND
2018-10-2918J1469-01ND
2018-10-2918J1469-02ND
2018-10-2918J1469-03ND
2018-10-2918J1469-04ND
2020-07-2920G2148-03ND
2021-02-2421B1311-01ND
2021-02-2421B1311-02ND
2021-02-2421B1311-04ND
2021-02-2421B1311-05ND
2021-02-2421B1311-06ND
2021-02-2421B1311-07ND
2021-06-0821F0413-01ND
2023-04-2723D1698-04ND