Document mB2d7Kd7rR6r3om70zoBpmkv0

Annals New York Academy of Sciences y Berkley et al.: De' ?! | ir~ \i it 1a 2 a1* ** I; to !; . !? ! Is 1 15' -s V 1I * Il * I/ 1 substances its surface.**'*'- When such materials are sufficiently finely subdivided to jj..':' ^ become aerosolized and inhaled, it becomes conceivable for airborne can cinoyenic substances to be adsorbed and concentrated o>nn the filters in phyii- >gic ___ 'b^y.vritjflh\!Xs?iot^Cp^t5 _ ___ __ <d instead that the significant figure would ixTShe Concentration of earcinogti &:' V. per cell in the vicinity of the aerosol particle. ....- ' jrJ>f 5 The mode of body absorption of adsorbed carcinogens from mineral or b;:;. B other dusts is not well understood. For example, benzypyrene disappear* quickly from soots in the lungs presumably by elution in plasma or esll fluids In spite of its comparative insolubility. Benzypyrene fed to child"ena and mice produces fluorescence in the skin and viscera. When fesdlnt' >' Is discontinued the fluorescence dUnpiH-nrs rapidly." It Is imtewnrthf > that !i. 4 Benx.vpyrene is Insoluble In Hr*> rind anllne hut soluble in scrub r>'-v and sodium desoxyrholate derived from Idle. In our case, the fliwrnehroma f are apparently tightly bound, either llllmicnlly or physically allhoiifk 8000 0953 _8 "* fi s i; gfc C n . ,i'*t .. * , 1 i& i: . i* * ? OL j .< 8! |l h 2 ii i,MiV* PRODUCED BY FO*n