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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

City of Chubbuck

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
2012ND40ND
2013ND40ND
2014ND30ND
2015ND30ND
2016ND50ND
2017ND100ND

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
2012-10-03V1248031ND
2012-10-03V1248051ND
2012-10-03V1248061ND
2012-10-03V1248041ND
2013-09-17VI30914204ND
2013-09-17VI30914203ND
2013-09-17VI30914202ND
2013-09-17VI30914201ND
2014-09-04VI40904901ND
2014-09-04VI40905201ND
2014-09-04VI40905101ND
2015-08-25VI50816401ND
2015-08-25VI50816402ND
2015-08-25VI50816403ND
2016-07-27VI60728003ND
2016-07-27VI60728002ND
2016-07-27VI60728001ND
2016-11-29VI61118401ND
2016-11-30VI61120201ND
2017-02-14VI70209102ND
2017-03-09VI70308001ND
2017-06-01VI70600802ND
2017-06-01VI70600801ND
2017-08-16VI70816003ND
2017-08-16VI70816004ND
2017-08-16VI70816005ND
2017-08-22VI70821201ND
2017-11-07VI71105701ND
2017-11-07VI71105101ND