“…The fallacy cof this kind of reasoning has been shown by McPeak et a! (6). Figure 1 shows that plitelets 1 1dy be satisfactorily maintained at 22 C in an ambient temperature of 5 C by inclosinq a plastic bag filled with 1 ,000 rl of water at normal tap tell!-p~erature of 40 C, The water was placed in the bottom of the box and pro--tected from direct contact with the platelet concentrates by a one-half inch thick styrofoam insulator Studies by Becker and Aster (7) show that excellent viability --platelets occurs when they, are stored at temperatures approximatincI 4 C.…”