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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Morrisville State College

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND30ND

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
2014-01-1601161401CND
2014-05-2005201401CPOCND
2014-08-1408141401CPOCND
2014-11-2011201402CND
2014-11-2011201403CND
2014-11-2011201401CND
2015-11-1611161507CPOCND
2015-11-1611161506CPOCND
2015-11-1611161505CPOCND
2016-11-0111011602CND
2016-11-0111011603CND
2016-11-0111011601CND
2017-12-1412141704CND
2017-12-1412141705CND
2017-12-1412141703CND
2018-11-0811081803CND
2018-11-0811081801CND
2018-11-0811081802CND
2019-10-1710171906CPOCND
2019-10-1710171907CPOCND
2019-10-1710171905CPOCND