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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Monett PWS

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND90ND
2017N/A00N/A
2018N/A00N/A
2019ND90ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2016-08-19AC83293ND
2016-08-19AC83292ND
2016-08-19AC83286ND
2016-08-19AC83287ND
2016-08-19AC83291ND
2016-08-19AC83290ND
2016-08-19AC83288ND
2016-08-19AC83289ND
2016-08-19AC83295ND
2019-08-14AD54221ND
2019-08-14AD54220ND
2019-08-14AD54217ND
2019-08-14AD54218ND
2019-08-14AD54219ND
2019-08-14AD54216ND
2019-08-14AD54215ND
2019-08-14AD54212ND
2019-08-14AD54214ND