317 



impor^^nt la 4^ 

 phenol! (2) Uut"^ 



1 wrtXm (1) taM lndlo«t«d «Moh ftctert mt b* 

 th« proportloaa of nlootlaa ftUuloldJ (1) 4ad 

 tagr asekirt. ne«tln« attrition «pp«*r 



XH 

 r. 



t4 b« d«p«nd«nt prlnot^Vl/'lk asok* pR uid nleotln« e«nt«nt] «M1« tha 

 retention of Individual ;n«a|^ la dependent oo their Tapour preijur* 



end bolUng point, end 1« oot ejected V|r laoXe pH. 



"'^^ ' 

 A verjr soell panel of caokera TCae ti*«a vsed to eiuilne the retentloo 



^ h-- • 



^Ct. these coaponente In the Kuth. artd t^ retult« are dlecuesed la this 



Or 



"•O 



o^ 



A 



'^ the'^tet It Mj reellied that It would oi^^ be poaalble to 

 undertaJrVdaJTiri^ts ualac aaodltlona t^eh wer« artX&elat^^kU«t 

 the taokera M|r« fui^^^ware ef th« nature of tha experl*eMv,and 

 eonse^entljr ■Ign t.Bft t s>V^ la • »or«el ■a/wer. However, phjrsloal 



reatralntt vera 

 elcarette holder, 



Ith^^t si^ la 



■Inil^^t*^ 

 r, oonnaotlS^ta 



ta^tOacts a*okad throufh a laell pLaatla 



^^ght flexible plaatlo tuba t« 



2^^ 



piff recording derlee. Aeoil w MrCiUked to Uke a puff appr«xiaatel7 



once per gdnute, to hold the aaoto la 



t^e-i 



■^ 



for five scoonda and 



to blow aU tha aaoka Into a Ca«brld«« fllta^^^older. Prior to tha 



aotual tetta, panel Msbera wra aakad 



to Mke^^i 



a«M el(arattea 



throu^ a C4Abrld«a filter ualnc ^^ »*»• pufflnc i*«^^* TMa waa 



requeatad ao that tha flltraUoo afflolener of a ahort (7^5 ■■) filter 



plu« attached to all tha elcarettea could be Maaured. Oetern^tlea of 



■- - - . .^^ 



theae flltratlen-efflelencles could be aade aora eonvenlentljr ualf^v 



V 

 a puff<dupUc4tor (3), but tMi derlee wm oot available td^en th* 



C 

 c 



C 

 M 

 I 





aR-Ad'i QC 



