Document oDgw46EbVQ9zaJxJRVMR2wa0r

St* Louis, Missouri Mr. W. O. Morlock Houston Mr. M. C, Pluaswr -RBoidbsts. November 7* 1956 PTORAUL AC Ths Best Poods, Ino. ___ PaUss. Texas 7 1 have seen your oall report to the Best Poods Company. I would tell them that it is my opinion that there is no toxic hazard con nected with the operation they desoribe. This oonpound has an oral ID50 of over 4 grams per kilogram to rabbits and over 50 grams per kilogram to rats. Further, the number of flltratlons oertalnly would eliminate much of the contamination. ' REKlSMB R. Emnst Kelly, MA 095664