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iSr'S Ja aru a ry 10, 1936 f*;r-x*"WZ&iVi H' ;, ~ B . A . gordon Mr. Seeker C hicle "X* -> C o n tro l Procedure ,,, s The *X* C o n tro l Procedure la e f f e c t in o u r p la n t i a b r ie f ly a s follow s - 1* C h icle frost each sh ip n en t from e&eh source i s ground se p a ra te ly in s n a il l o t s o f from 20 to 30 bags and d ried on tra y s in a d r y roon. 2 . When th e C h icle b a s eooled s a f f le ie a tly a f t e r d ry in g i t i s loaded by haad iiito b a rre ls in such a manner th a t each b a rr e l conta in s s u b s ta n tia lly equal amounts o f C hicle from each hag in th e l o t ground* B efore th e C h icle i s dumped fro a th e d ry in g tra y s a sample i s tak en sad ''q u a rte re d down* to about 1 l b . This i s s e a t th e L aboratory fo r a n a ly sis. 3 . The b a rre ls o f b len d e d C h eile a re h eld i a a sp e c ifie d space u n til th e L aboratory re p o rt hhs been receiv ed . I f th e u se o f the l e t l s n o t approved th e b a rre ls a re removed to a lo c a tlo n on an o th er flo o r where th e re w ill be no danger o f u sin g by m istake. A . When a b a rre l o f C h icle i s dsaped p r io r to th e weighing out of in d iv id u a l f i l t e r p ress batches i t i s nixed w ith a shovel* . .. ' . ...................... 5. The nethod o f a n a ly sis f o r HXrt i s th a t developed by Dr. H o rw itt. H oveverythe method o f ash in g th e sample p r io r to a n a ly sis i s th a t used a t Dr. Kehoe *s L aboratory sin c e th iS v ia more ra p id and p erm its t e s ts to be s ta r te d and com pleted th e sa* day* '^ ,, 6 . In a d d itio n to th e C h icle, sam ples o f fin is h e d gun and : M/ r ' ' ' 'base from th e filte r-p re s s e s a re being tested* A ttached i s a copy o f L .I.C . Q u ality C o n tro l In s tru c tio n Wo. 133 which o u tlin e s in d e ta il th e blending and c o n tro l procedure re fe rre d to in paragraphs Bos. 1 , 2 , 3 and A above. * 'r ' K ? 000-6457