Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

State College Boro Water Auth.

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
2021ND50ND
2022ND30ND
2023ND80ND

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
2018-02-148B14177-01ND
2019-02-129B12139-01ND
2020-02-1221735674.00ND
2020-02-1221735673.00ND
2020-02-1221735672.00ND
2020-02-1221735671.00ND
2020-02-1221735670.00ND
2021-02-1623954006.00ND
2021-04-0724321980.00ND
2021-08-1625098847.00ND
2021-09-1325291250.00ND
2021-11-1525654896.00ND
2022-02-1526182296.00ND
2022-09-0127520799.00ND
2022-11-1627890876.00ND
2023-02-1428415066.00ND
2023-05-1628981587.00ND
2023-08-1429577825.00ND
2023-11-1330139908.00ND
2023-12-2030314246.00ND
2023-12-2030314309.00ND
2023-12-2030314267.00ND
2023-12-2030314288.00ND