Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Perkasie Regional 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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND70ND
2020ND60ND
2021ND70ND
2022ND70ND
2023ND70ND

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
2018-03-068024485-02ND
2018-06-048052857-02ND
2018-09-048084662-02ND
2018-09-178093548-01ND
2018-09-178093548-03ND
2018-09-178093548-02ND
2018-12-038110453-02REND
2019-03-059023322-02ND
2019-06-049053891-02ND
2019-09-039084135-02ND
2019-11-119111441-02ND
2019-11-119111441-03ND
2019-11-119111441-01ND
2019-12-039113323-02ND
2020-03-0321828171.00ND
2020-06-2322393774.00ND
2020-09-0122778508.00ND
2020-09-0122778466.00ND
2020-09-0122778487.00ND
2020-12-0123344566.00ND
2021-03-0224041348.00ND
2021-06-0124619528.00ND
2021-09-2025201412.00ND
2021-09-2025201454.00ND
2021-09-2025201433.00ND
2021-09-2025201475.00ND
2021-12-0725746117.00ND
2022-03-0126270346.00ND
2022-06-2126824218.00ND
2022-08-1627213710.00ND
2022-08-1627213758.00ND
2022-08-1627213735.00ND
2022-09-1927420646.00ND
2022-12-0627980858.00ND
2023-03-0728503199.00ND
2023-06-0629088318.00ND
2023-09-0529681680.00ND
2023-09-1929681683.00ND
2023-09-1929681682.00ND
2023-09-1929681681.00ND
2023-12-0530228276.00ND