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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Schofield Barracks

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-03-19C14-03-0026AND
2014-04-15C14-04-0129AND
2014-07-08C14-07-0007AND
2014-10-07C14-10-0017AND
2015-02-173191070ND
2015-04-143226186ND
2015-07-07C15-07-0147AND
2015-10-06C15-10-0005AND
2016-01-25ND
2016-04-04ND
2016-07-13ND
2016-10-04ND
2017-03-14ND
2017-04-26ND
2017-07-19ND
2017-10-11ND
2018-03-07C18-03-0023AND
2018-04-18C18-04-0100AND
2018-07-11C18-07-0144AND
2018-12-06C18-12-0013AND
2019-03-11C19-03-0012AND
2019-04-03C19-04-0023AND
2019-07-03C19-07-0028AND
2019-10-23C19-10-0079AND