Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

NJ Water Supply Authority Manasquan

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND30ND
2020ND20ND
2021ND10ND
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
2018-03-27380327079ND
2018-03-27380327078ND
2018-03-27380327077ND
2018-09-04380904735ND
2018-09-04380904736ND
2018-09-04380904737ND
2019-03-26390326704ND
2019-09-10390910713ND
2019-09-11390912720ND
2020-03-173093847001ND
2020-09-17200917023-02ND
2021-03-09210309060-02ND
2023-03-28230328034-01ND