Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Duncannon Municipal Water

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND40ND
2021ND60ND
2022ND10ND
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
2018-08-228H23016-02ND
2018-11-138K15056-01ND
2019-08-199080661-01ND
2020-03-3021991398.00ND
2020-03-3021991399.00ND
2020-03-3021991400.00ND
2020-08-0422967129.00ND
2021-02-1524027750.00ND
2021-03-0824214583.00ND
2021-03-2224214643.00ND
2021-06-0124798992.00ND
2021-08-0325189171.00ND
2021-12-2825914158.00ND
2022-10-2627795528.00ND
2023-07-3129465068.00ND
2023-07-3129465037.00ND
2023-07-3129465088.00ND
2023-07-3129465017.00ND