Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Altoona Water Authority

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.

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND80ND
2022ND60ND
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
2018-08-288H28046-01ND
2018-08-288H28044-01ND
2018-08-288H28051-01ND
2018-08-288H28032-01ND
2018-08-288H28031-01ND
2018-08-288H28047-01ND
2019-11-069K07058-01ND
2019-11-069K07058-03ND
2019-11-079K07074-01ND
2019-11-079K07072-01ND
2019-12-059L05126-01ND
2020-02-0621729184.00ND
2020-08-0522869731.00ND
2020-08-0522869730.00ND
2020-08-0522869729.00ND
2020-08-1022869942.00ND
2020-08-1022869943.00ND
2020-08-1022869941.00ND
2021-07-0124897513.00ND
2021-07-0824897534.00ND
2021-08-1025092099.00ND
2021-08-1025092051.00ND
2021-08-1025092098.00ND
2021-08-1025092052.00ND
2021-08-1025092053.00ND
2021-12-1325828710.00ND
2022-02-2426177247.00ND
2022-08-1627309609.00ND
2022-08-1627309685.00ND
2022-08-1627308850.00ND
2022-08-1627309651.00ND
2022-11-1027885532.00ND
2023-07-2629371577.00ND
2023-07-2629371534.00ND
2023-07-2629371490.00ND
2023-07-2629371556.00ND
2023-07-2629371512.00ND