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8 19 <br /> Sequoia Sacramento <br /> CA 58 4 <br /> Sacramento CA 95834 <br /> (916)921 9600 <br /> q1wr Analytical FAX(916)921 0100 <br /> www sequotalabs corn <br /> Blaes Environmental Project U-Haul S409006 <br /> ' 1455 N 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85005 Project Manager Steve Woodhill 09/17/04 IS 09 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> ' Sequoia Analytical -Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Levcl Result %REC Limits RPD Limit Notes <br /> ' Batch 4090144-EPA 5030B JP/TJ <br /> Laboratory Control Sample(4090144-BSI) _ Prepared 09/08/04 Analyzed 09/09/04 <br /> ' Benzene 20 6 0 50 11911 20 0 103 70-130 <br /> Chlorobenzene 20 6 0 50 20 0 103 70 130 <br /> 1,l-Dtchloroethene 22 3 0 50 20 0 112 70 130 <br /> I Toluene 200 0 50 20 0 100 70 130 <br /> Trichloroethene 222 0 50 20 0 111 70-130 <br /> Siarogate Dibromofluoromethane 9 82 100 98 70-130 <br /> Surrogate 12-DCA d4 8 97 /00 90 70-130 <br /> Surrogate Toluene d8 104 /00 104 70-130 <br /> Surrogate 4-BFB 100 100 100 70-130 <br /> Laboratory Control Sample(4090144-BS2) Prepared&Analyzed 09/09/04 <br /> ' enzene 20 8 050 ug/1 20 0 104 70-130 <br /> hlorobenzene 200 050 20 0 loo 70-130 <br /> 1,1 Dtchloroethene 22 5 050 20 0 l 12 70-130 <br /> ' Toluene 18 8 050 20 0 94 70-130 <br /> Trichloroethene 209 050 20 0 104 70-130 <br /> Surrogate Dibromofluoromelhane 9 75 10 0 98 70-130 <br /> Surrogate 11-DCA-d4 9 16 10 0 91 70-130 <br /> ' Surrogate Toluene-d8 8 95 ,I 10 0 90 70-130 <br /> Surrogate 4-BFB 994 100 99 70-130 <br /> Laboratory Control Sample(_4090144-BS3) Prepared 09/09/04 Analyzed 09/10/04 <br /> 1 Benzene 19 0 0 50 1.19/1 20 0 95 70-130 <br /> Chlorobenzene l8 9 0 50 20 0 94 70 130 <br /> I i-Dichloroethene — m 21 4 0 50 200 107 70-130 _ <br /> Toluene 19 2 0 50 200 96 70-130 <br /> Trichloroethene 19 2 0 50 20 0 96 70-130 <br /> Surrogate Dibromofluoromethane 9 68 10 0 97 70-130 <br /> Surrogate 12 DCA-d4 9 41 100 94 70-130 <br /> Surrogate Toluene-d8 102 100 102 70-130 <br /> Surrogate 4-BFB 9 48 100 95 70-130 <br /> equoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> ' basis This analytical report must be reproduced in its entirety <br /> Page 41 of 44 <br />