Show weevils in bin can be killed with gas pests damage stored grain I 1 unless eradicated I 1 weevils in stored grain will do much damage it if not killed as soon boon ns as discovered fumigation with carbon i will dispose of then without j damaging eam aging the food or germinating qualities of the grain recording according to T II 11 parks extension entomologist of the ohio state university carbon bi sulfide Is a liquid which can be purchased in tightly scaled eats nt at tiny any drug store when released in the air it evaporates rapidly into a gus gas which Is heavier thau than air this gas mixed with air Is inflammable and all lights should be kept awny from a grain bin which Is being fuina gated with it and the person doing the fumi fumigating gating should breathe as little as possible of the gas an important part of the fumi fumigating gating process Is keeping the bin settled sealed as tightly as possible the work should be ba done on a calm day when the temperature pera ture Is 1 above 67 degrees eight to 15 pounds of the liquid are arc necessary for fumigating fumi gating 1000 cubic feet it if bin space when figuring the space lt ISi necessary to take into account the ali entire blo bin not just the volume of the grain the liquid may be placed in large pans on top of the gruen or burlap bags or cotton wate waste saturated with it may be burled in the grain the bin should remain tightly closed for at least 88 86 hours after the fumigant has been applied |