Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Pennsylvania American Royersford

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND60ND
2022ND50ND
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
2018-04-1139073401ND
2018-04-1139072901ND
2018-04-1139074201ND
2018-04-1139073001ND
2019-04-0843660501ND
2019-04-0843660601ND
2019-04-0843659301ND
2019-04-2343659401ND
2020-04-0222016192.00ND
2020-04-0222016076.00ND
2020-04-0222016148.00ND
2020-04-0222016171.00ND
2020-04-0222016127.00ND
2021-04-0124241265.00ND
2021-04-0124241286.00ND
2021-04-0124241309.00ND
2021-08-0525016530.00ND
2021-10-1425398543.00ND
2021-11-1125582455.00ND
2022-02-0926111851.00ND
2022-04-1426458193.00ND
2022-04-1426458178.00ND
2022-04-1426458216.00ND
2022-05-1226641714.00ND
2023-04-1928695814.00ND
2023-04-1928695882.00ND
2023-04-1928695793.00ND
2023-04-1928695835.00ND
2023-04-1928695856.00ND