1~'':': . . http://legacy.library.ucsf.edu/tid/yag55d00/pdf
1~'':': . . http://legacy.library.ucsf.edu/tid/yag55d00/pdf
1~'':': . . http://legacy.library.ucsf.edu/tid/yag55d00/pdf
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W14<br />
<strong>http</strong>://<strong>legacy</strong>.<strong>library</strong>.<strong>ucsf</strong>.<strong>edu</strong>/<strong>tid</strong>/<strong>yag55d00</strong>/<strong>pdf</strong><br />
or tbos• .alnoa was statistically si`nificant at tb . 3% loval . Sbe<br />
avaras.s .sd in tM oo.putatlon of the oorrolatlon coefficients abovo<br />
var. .ostly taken ovar periods of•tiwo vbon tAoro was Indoor acti+dty<br />
!a tb. Iiosa . !bo lack of eorraLtion stroaglj .indicatos a sia}or 3idoor<br />
aareo of 00. A group t-tost to d .torsiae sipaifieaet diff .r.ncas D.-<br />
tw.n indoor and outdoor 00 eoac .ntrstion soans vas p .rforad . !!o dif-<br />
lor.nco was statistieally significant (t • 2 .86, df a 28, p 0.01).<br />
!lwr+atoro tDo a:istanco of other sourc.s of indoor 0D S+ strongly Ldi-<br />
sat.d. lb.sa soureas vi12 be discsss.d lat.r.<br />
Ffacts of Outdoo ,r~0- o Indoor '<br />
Indoor oson* eoncantr.tion flwtoations sdrrord outdoor fiuctm.-<br />
tions vitD a tL* lag of typicallT one bour . . ?ndoor 1MS1s in sl1 '<br />
poas studid v.ra l.ss than outdoor 1av.ls. When viadovs woro oloed,<br />
indoor eoncantrations vart betr..n 20% and 40% of outdoor levels . iiita<br />
the .indovs op.n, the irdoor lsvals voro DatvsaA ?Cf and 90 of outdoors .<br />
-- w Indoor O3 rinrlovs vlndors<br />
ip.a<br />
(' oload<br />
eee<br />
1300 1Z00 1300 1400 1500 1600<br />
li.. (eanrs)<br />
Titurr 10. Coaparison of Outdoor with Indoor 0' Concentrations