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42 OCCUPATIONAL TUMORS AND ALLIED DISEASES mental hazard with its various organic effects, including carcinogenic sequelae.

National Safety News Published monthly in the interest of accident prevention and the health of industrial workers VOL. 32.

1932 TRANSACTIONS National Safety Council Incorporated If' TWENTY-FIRST ANNUAL SAFETY CONGRESS Washington, D.

PUBLISHED BY THE NATIONAL- JANUARY UNC NEWS 1933 INTRODUCING...

MEDICOLEGAL AND PUBLIC HEALTH ASPECTS 827 certain types.

SJOBERG--VANADIUM PENTOXIDE-HEALTH HAZARDS 639 Since the absorption (and excretion) of vanadium has been demonstrated thus, the possibility of general poisoning exists and must be borne in mind in the remain ing discussion of the organs.

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Page 3374 1 factories that were dusty, but not at all portions of 2 the factory. 3 Subsequently, in this country in 1935, a 4 physician named Lanza basically duplicated 5 Merewether's study in the eastern part of the United 6 States. 7 He looked at several asbestos manufacturing 8 plants, he measured the dust levels, he examined the 9 workers and basically found the same thing that 10 Merewether found, there was disease. 11 The amount of disease tended to be related 12 to the amount of dust, possible to reduce the dust, 13 and he recommended that dust control measures be 14 instituted. 15 Neither Merewether nor Lanza established any 16 numerical value of dust control.

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May 2, 1938 A* L.

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