1~'':': . . http://legacy.library.ucsf.edu/tid/yag55d00/pdf

Mi
A fora wa dovalopod for the raaidont to indioato activity in
asch ho .e dwi+g the p.riod sanpl.d . !ho oocdpant was askod to racord
spooifia tia.s vhon the hOtlso was rnoccaDiod, tisos of cookirg,
s.okind, clotho" wshinR, and tia.s wb.n an air conditionar vas in
ws.
http://legacy.library.ucsf.edu/tid/yag55d00/pdf
?ho traftie donsity ontsido oach iasiplod howo was also dotorsinsa .
!ba a.bar of aato.obilos passing aach bo.o botvoon 0s00 P.M. and
6#CG P.II. on a voskday was racordod as an hourly avorad. .
F,ollov-up Lboratorn Studiss
lho.pson, ot al ., havo sstpstad that carbon sonu3do iL probably
sorbod by virtnally nothing 1A the bo .a.22 Although this sud`ostion
ws probably corroct, fbrthar in.astiption was cloarly r.qnirod .
lhorsioro an attsapt tias aads to, dotoraina tiLatpor thoro was aW
.ptako by carpotint or valls .
Carpotind saaplas aad, of Acrf lon, Daoron, tplon . and wool vore
obtaiasd . Ib att .ept was aado to wo si:od tibors . lboso saaplos
voro oot into squar.s approsiaatoly one loot on a sido and wad ]n the
tost chaabor tq bo doscribad latar. liftoon yysar old wad, soilod
vool oarp.tisd was also obtainad boeawo, as indieatod aarliar, baetoria
and thndi has boan associatad with the tiytako of carbon aonoxi .do .40
It .as aot possiblo to obtain soilod saaploa of the aynthotic fibara.
ssetioaa of dry vall (ppava board) wrs also obtaiAad to dototiins u
tharo vas amy Yptako by r .lls in the hawo .
!ho saapling train that was wad for the initial phasas of tho
tptako st.dy oo .siat .d of a tost ahasbr, a diaphraa y+ap, a lQRLII I
aaalysor with a tvanty aotor path longtb pa aall, a rotaastor flow astor
(ollainat.d in the lat.r studi .s) . and a glass isj .ction '!' with a
24
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