Osmonicshasmadeaseriousefforttoprovideaccurateinformationinthisbook.However,asinallpublications,thepossibilityexistsforerrorsandmisprintsinthetext.Variationsindatamayalsooccurdependingonfieldconditions.Informationinthisguideshouldonlybeusedasageneralguide.Osmonicsdoesnotrepresenttheinformationasbeingexact.