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ATTACIMENT 2 <br /> HUMAN IIEALMSCREENING:.EVALUATION <br /> POMBO PROPERTY <br /> 1755 WEST 11TH STREET,TRACY;CALIFORNIA <br /> PRO.iECT#f7Zb.001 <br /> MAXINIUM CON.C;`GROMWATER:POTABLE' <br /> DIFFUSIVITY IN AIR(ni)-(11DEI:INF FOR<PRED CrIVF BASEL INF.FMI.4SinNs F..ST,IlV1ATIt7N;PR(7G.T T)IJRF.S.FOR SiLPFRFIJNR S1TF5.;:F.PA,149.2 <br /> Chemical MWa #Carbons' #hydrogens #Qirygeps,.. #Nitrogens #Chlorwes`, #:Aromatic Ring #'Fleterocyclic Vi <br /> ole) <br /> (cm3/rri <br /> (Plroolej <br /> Pfienantluene. 178:24: 14 10 0. 0; 0 3 140:20 0:060: <br /> Di= (0.001T^I.75*U/MWi+IM- Wa)^0 - <br /> Where: <br /> C atom 463 : <br /> H atom 4.98 _ <br /> O`atom:: SA8 <br /> N=atom: S.b4.. <br /> Cl atom; .: 19:5 <br /> Aromatic <br /> Heterocyclic': _20:2. <br /> Source:U.S.EPA,1.9.92 <br /> Parameter <br /> S.. bol Value Units <br /> Temperature'. T 298` °g <br /> Molecular.Weight of Air Mwa. 28:8 <br /> Absolute-Pressure Pab 1. atmospheres. <br /> Molecular Diffusion <br /> Volume of Air Va 20:1;. cm3/mole: <br /> p6mb6_6ased on UCLODi Calculation <br /> Page S of'18' <br />