June 1938 372 /.

140 OCCUPATIONAL TUMORS AND ALLIED DISEASES Hunt, E., Med.

TUMORS OF THE SKIN i39 Editorial, Am.

636 OCCUPATIONAL TUMORS AND ALLIED DISEASES Schilling, cited by Schmidtmann, M., Arch. f.

HUDSON--MAXIMUM ALLOWABLE CONCENTRATIONS 163 concentration for silicon dioxide, 5 million particles per cubic foot of air, was established by correlating industrial environmental conditions with physical find ings of workers.9 It is evident that more information is sorely needed, and with the development of new technics and instruments, such as the electron microscope, this information will be forthcoming.

590 HEINZ SPECHT The temperature of the atmosphere is due mainly to the energy absorb from solar radiation, secondarily to that added by conduction or convec|| For our consideration, the distribution of temperature in the two zones o| atmosphere nearest the earth is of interest.

130 CHAPTER 5 Angmagssalik still lived "a completely natural lifestyle" while con suming as much as 2.5 kilos of (low-fat) meat per day; the Europe anized Eskimos of western Greenland, by contrast, suffered cancer rates roughly comparable to those of Europe.

202 CHAPTER 6 when supplies became difficult to obtain after the mid-1930s-- owing to the souring of German-Russian relations--the substance was obtained from high-nicotine tobacco plants bred expressly for this purpose by the Reich Institute for Tobacco Research (Reichsanstalt fur Tabakforschung--an industry group).102 Anyone who doubts that tobacco companies have "manipulated" the nicotine content of cigarettes need only consult German tobacco literature, where we have countless examples of such manipulation.

NEG.

f THE RAYBESTOS DIVISION' OF RAVBESTOS-'VIANHATTAN.

*SgB5V0S A HEALTH" COURSES Wig SUPERVISOR AHD 3)P SHVlnm w.tm, *k.

Dfa* fiajarb, RuaaaHi Ub and Ftuoait* Qan*l94ni Yareh 9, 1932, Bi TteleB Carbide *igm*l la Waat Tlfginia x+ifcggdjl aftamoca X ha4 a talatfttna aal^ frw lit Tgrk ggR___________________ JEU that ha vaapogaool ha.

COMMONWEALTH OF PENNSYLVANIA Department of Labor and Industry RALPH M.

INTERNAL CORRESPONDENCE UNION CARBIDE CORPORATION ted .nical. center PC DOX BCG 1.

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