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32. X* BU POKt BE ISKOUHS & COMPA . vxwmss mmmmm A.~tt t* 41aJ. CG3 W. S. Struve/ A. A, Brizzolara B, H, Wetzel - W Minnieh ~ J, P. M&urer H. H. Gyorgy W. E, Miller Be search, File - Newark Newport ii it it HiQGXsToif xssm c a b n e j p s mxm Newport* Delaware 1%January 1967 r esear c h ~ c o l o r s ?ORT - .CPC. LOm Hftiacas Mm?mTXOH . mrnn mum - s af et y We are considering installation of a crude copper phthal~ cyanine drying system using superheated steam as drying medium. A sketch of this system is attached, please advise us of the maximum safe oxygen concentration that can he tolerated so that appropriate safeguards may he incorporated. If samples f ur materials are required for laboratory testss please let me 3mo*. Charges for this work should close to Pigments General Ledger 8211 Sub Code 46454$Chl6. rm/m Attch. D. H. M8ZBW msmmm d it o io n DUP050027620 t f%`O 'M .? /