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i • <br /> LFR Inc.--Emeryville Project: Lincoln Center <br /> 1900 Powell Street, 12th Floor Project Number: 001-06750-06 Reported: <br /> Emeryville CA,94608-1827 Project Manager: Lucas Goldstein 07/19/07 10:34 <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> SunStar Laboratories, Inc. <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 7071305-EPA 5030 GCMS <br /> LCS(7071305-BSI) Prepared:07/13/07 Analyzed:07/14/07 <br /> Surrogate:Toluene-d8 7.93 ug/l 8.00 99.1 85-115 <br /> Surrogate:4-Bromofluorobenzene 7.91 8.00 99.0 84-118 <br /> Surrogate:Dibromofluoromethane 7.98 8.00 99.8 66-114 <br /> Chlombenzene 19.5 1.0 20.0 97.3 75-125 <br /> 1,1-Dichlomethene 19.0 1.0 20.0 95.2 75-125 <br /> Trichloroethene 19.4 1.0 20.0 97.0 75-125 <br /> Benzene 18.9 0.50 20.0 94.4 75-125 <br /> Toluene 17.8 0.50 20.0 89.0 75-125 <br /> Matrix Spike(7071305-MSI) Source:T700897-03 Prepared:07/13/07 Analyzed:07/14/07 <br /> Surrogate:Toluene-d8 7.94 ug/l 8.00 99.2 85-115 <br /> Surrogate:4-Bromofluorobenzene 7.44 8.00 93.0 84-118 <br /> Surrogate:Dibromofluoromethane 7.13 8.00 89.1 66-114 <br /> Chlorobenzene 19.7 1.0 20.0 ND 98.5 75-125 <br /> 1,1-Dichlomethene 18.0 1.0 20.0 ND 89.8 75-125 <br /> Trichloroethene 31.2 1.0 20.0 11.3 99.7 75-125 <br /> Benzene 18.4 0.50 20.0 ND 92.2 75-125 <br /> Toluene 17.8 0.50 20.0 ND 88.8 75-125 <br /> Matrix Spike Dup(7071305-MSDI) Source:T700897-03 Prepared:07/13/07 Analyzed:07/14/07 <br /> Surrogate:Toluene-d8 7.86 ug/t 8.00 98.1 85-115 <br /> Surrogate:4-Bromofluorobenzene 7.55 8.00 94.4 84-118 <br /> Surrogate:Dibromofluoromethane 7.08 8.00 88.5 66-114 <br /> Chlorobenzene 20.1 1.0 20.0 ND 101 75-125 2.16 20 <br /> 1,1-Dichlorethene 19.6 1.0 20.0 ND 98.2 75-125 8.89 20 <br /> Trichloroethene 31.6 1.0 20.0 11.3 102 75-125 1.21 20 <br /> Benzene 19.2 0.50 20.0 ND 96.0 75-125 4.09 20 <br /> Toluene 18.4 0.50 20.0 ND 92.0 75-125 3.59 20 <br /> Sun$tar Laboratories,Inc. The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document.This analytical report must be reproduced in its entirety. <br /> John Shepler,Laboratory Director Page 10 of 11 <br />