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Sequoia SI95tnkcrAve <br /> Sacramento CA 9583593 <br /> 4 <br /> rV' (916)921 9600 <br /> Analytical FAX(916)921 0100 <br /> www scquoialabs com <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 18 09 <br /> Gasohne\BTEXIOxygenates by EPA method 8260B- Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %RE(. Limits RPD Limit Motes <br /> Batch 4090145-EPA 5030B (P/Tl <br /> Laboratory Control Sample(4090145-BSI) Prepared 09/09/04 Analyzed 09/10/04 <br /> ' Methyl tert butyl ether 9 25 050 ug/l 864 107 60-140 <br /> Benzene 5 97 0 50 5 36 111 70-130 <br /> Toluene 38 8 0 50 30 3 128 70-130 <br /> Gasoline Range Organics(C4-C12) 443 50 440 101 70-130 <br /> Surrogate Toluene-d8 11 3 100 113 60-140 <br /> Surrogate 4-BFB 8 53 100 85 60-140 <br /> Surrogate 1 2-DCA-d4 935 100 94 60-140 <br /> ' <br /> Laboratory Control Sample 4090145-BS2 Prepared&Analyzed 09/10/04 <br /> Methyl tert butyl ether 9 53 0 50 ugR 864 110 60-140 <br /> Benzene 5 85 0 50 5 36 109 70-130 <br /> oluene 37 7 0 50 30 3 124 70-130 <br /> asolme Range Organics(C4 C12) 415 50 440 94 70 130 <br /> Surrogate Toluene-d8 11 2 100 111 60-140 <br /> 1 Surrogate 4-BFB 8 84 100 88 60-140 <br /> Sao rugate 1 2-DCA-d4 863 100 86 60-140 <br /> Laboratorx Control Sample(4090145-BS3) Prepared&Analyzed 09/13/04 <br /> Methyl reit-butyl ether 9 32 0 50 uglk 8 64 108 60-140 <br /> Benzene 6 19 0 50 5 36 115 70-130 <br /> Toluene 38 3 0 50 30 3 126 70-130 <br /> Gasoline Range Organics(C4 C12) 461 50 440 105 70-130 <br /> Surrogate Toluene-d8 11 S w 100 115 60-140 <br /> Surrogate 4-BF3 7 79 100 78 60-140 <br /> --- Surrogate 1 2-DCA-d4 —- 8 71 — - 100 87 60-140 <br /> Matrix Spike(4090145-MS1) Source S409204-03 Prepared__0.9109104 Analyzed 0911.4104_ <br /> Methyl tert-butyl ether 9 61 0 50 ugll 864 ND 111 60-140 <br /> Benzene 5 99 0 50 5 36 ND 112 70-130 <br /> ' Toluene 35 6 0 50 303 ND 117 70-130 <br /> Gasoline Range Organics(C4 C12) 363 50 440 ND 82 60-140 <br /> Surrogate Toluene-d8 946 100 95 60-140 <br /> Surrogate 4-BFB 8 55 100 86 60-140 <br /> 1 Surrogate 11-DCA-d4 899 100 90 60-140 <br /> equoia Analytical-Sacramento The results in this report apply to the samples analyzed to 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 as entirety <br /> Page 27 of 44 <br />