Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Lehigh County Authority Allentown Division

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-03-138023741-01ND
2018-03-138023741-02ND
2019-03-199024667-02ND
2019-03-199024667-01ND
2020-03-0421896271.00ND
2020-03-1121896292.00ND
2020-03-1821896334.00ND
2020-03-1821896306.00ND
2021-01-0623762407.00ND
2021-01-1323762430.00ND
2021-01-2023762453.00ND
2021-01-2023762476.00ND
2022-01-1025992197.00ND
2022-01-1925992218.00ND
2022-01-2525992241.00ND
2022-01-2525992262.00ND
2023-01-0428221633.00ND
2023-01-0928221656.00ND
2023-01-1828221679.00ND
2023-01-1828221702.00ND
2023-02-2228396022.00ND