Document NNeQXeJRR0xG6qEd8g7e6QL0Q

July 1 0 ,19I-0 Mr. Hoy A, 7002 South Cranston Halstead Street Chicago, Illinois Dear Mr. Cranston: I send you herewith the results obtained by the application of the Dithizone method on samples uvhich you recently supplied us for check analyses. These results can be accepted as having a very high degree of accuracy on the samples eathrsreosrusaprmpeplsilieeddsi,ningtheitnroantnhlsyeitpooporpssooirtbthuielnritiwtyiiessoef, foacrnodnstaitghmneiinfpaioctisaosnnibt olef hloadssleoafkemdatveerriyalslthigrohutglyh, lebauktaigte. see(mOnse"oufnlitkheelysatmhaptles alintytlaeppsreedciimabelnet.)error resulted since there w,as very You will note that one of the samples checked almost precisely, one gave hotighherertwroesugalvtse lionwyerourrehsaunltdss itnhanyouinr houanrsdsw. hile the will be of some assistance toIyotruu. st these results Cordially yours, RAK:is Robert a . Kehoe, M.D. 0015135