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f <br /> mentor Ave Ste 8 <br /> � Sequoia Sacracr amento CA 95834 <br /> Analytical `916)92' 9600 <br /> FAX(916) 00 <br /> WWW sequoialabs abs com <br /> I <br /> Blaes Environmental Project U-Haul 5309225 <br /> 1455 N 3rd Ave Project Number 709-50 Reported <br /> IPhoenix AZ,85005 Project Manager Steve Woodhill 10/16/03 15 28 <br /> Gasoline\BTEXIOxygenates by EPA method 8260B - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> IBatch 3090223-EPA 5030B [P/Tl <br /> Blank(3090223-BLK1) Pre ared&Analyzed 09/15/03 <br /> I 1,1-Dtchloroethane ND 0 50 ug/l <br /> Gasoline(C6-C10) ND 50 <br /> Ethanol ND 50 <br /> Tert-butyl alcohol ND 50 <br /> Methyl tert-butyl ether ND 050 <br /> Di-isopropyl ether ND 050 <br /> Ethyl tert-butyl ether ND 0 50 " <br /> Tert-amyl methyl ether ND 0 50 <br /> 1,2-Dtchloroethane ND 0 50 <br /> 1,2-Dibromoethane(EDB) ND 0 50I* <br /> " <br /> Benzene ND 0 50 <br /> thylbenzene ND 0 50 <br /> oluene ND 050 <br /> Xylenes(total) ND 0 50 <br /> Sutrogate Toluene-d8 23 3 25 0 93 60-140 <br /> Surrogate 4-BFB 23 4 25 0 94 60-140 <br /> Surrogate 1 2-DCA-d4 25 2 25 0 101 60-140 <br /> Laboratory Control Sample(3090223-BS1) Prepared&Analyzed 09/15/03 <br /> Gasoline(C6-CIO) 964 50 ug/1 1100 88 70-130 <br /> Methyl tert-butyl ether 22 3 0 50 248 90 60-140 <br /> Benzene 13 4 0 50 „ 160 84 70-130 <br /> Toluene 80 4 0 50 742 108 70-130 <br /> Surrogate Toluene-d8 23 9 15 0 96 60-140 <br /> Surrogate 4-BFB 243 15 0 97 60-140 <br /> Surrogate 1 2-DCA-d4 23 1 25 0 92 60-140 <br /> Matrix Spike 3090223-MS1 Source 5309225-02 Prepared&Analyzed 09/15/03 <br /> Gasoline(C6-C10) 896 50 ug/1 1100 ND 81 60-140 <br /> I Methyl tent-butyl ether 30 7 0 50 " 24 8 ND 124 60-140 <br /> Benzene 143 0 50 16 0 1 0 83 70-130 <br /> Toluene 792 0 50 742 ND I07 70-130 <br /> Surrogate Toluene-d8 23 2 " 250 93 60-140 <br /> Surrogate 4-BFB 24 7 250 99 60-140 <br /> Surrogate 1 2-DCA-d4 281 250 112 60-140 <br /> � <br /> uoia Anal ticaI-Sacramento The tI Y results to 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 21 of 31 <br />