Document Zn9K5jD9wzjvo5np89dYRRGop

EXFHB XKEKTAI ISlftLADIGf OF LEAD Introduction Prier exprimenta on fat of Ingcsted leatl Imbalance due to the absorption of lead S'rora the atnosplere Extension of observations ta inhalation ot lead vith rfrenc to offecis of 1. Concentration in air P . sturc ci' ccmpound 3. Sise of -partiel on a* Collection of particles in upper respiratory tract b. detention of particles in lung c. Absorption excretion and ultimate fate Methodology Preliminary observtiana on subject Medical { Lead metabolism lid 1 { Check on capability and reliability lides f?*'*>} 5 > - > Introduction into chamber lidos i i apparatus and experimental conditions Continuation of medical observations . Continuation of study of lead metabolism Specific methods of procedure Determination periodically* of respiratory volume lide 1.; Results Determination periodically of pulmonary lead retention Lead metabolism c ix Lead in food and feces do IS i""1" blooa KE 0020847 N24416 A d e 13 Ilde 14 lde 15 Load con c o n `ration in urine by 2 methods of analysis Lead output pot* day in urine Balance - apparent loss from body Accumulation In body '/ KE 0020848