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2852 Alton Ave Irvine CA 92606 (949)261 1022 FAX(949}261 1228 <br /> r�{ 1014 E Cooley Or Suite A Colton CA 92324 (909)370 4667 FAX(909)370 1046 <br /> e arRnalieaf 7277 Hayvenhurst Suite 8 12 Van Nuys CA 91406 (818)779 1844 FAX(818)779 1843 <br /> 9484 Chesapeake Dr Suite 805 San Diego CA 92123 (858)505 8596 FAX(658)50F 9689 <br /> 9830 South 51st St Suite 6 120 Phoenix AZ 85044 (480)785 0043 FAX(480)785 0851 <br /> 2520 E 5ursel Rd e3 Las Vegas NV 89120 (702)790 3620 FAX(702)798 3621 <br /> Qes�Environmental Project ID 002-70950 Uhaul - Stockton 1 <br /> 1433 North Third Avenue 2701 N Wilson Way Sampled 12/11/01-12/12/01 <br /> Phoenix, AZ 85003 Report Number IKLO624 Received 12/14/01 <br /> Attention Brett McDaniel <br /> METHOD BLANK/QC DATA <br /> BTEX/OXYGENATES by GUMS (EPA 8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Qualifiers <br /> Hatch, []L2308 Extracted. 12/231Q1 <br /> Matrix Spike Analyzed 12/23/01 (I l L2308-MSI) Source IKLO716-09 <br /> Benzene 623 20 ug/l 250 38 97 70-140 <br /> Ethylbenzene 723 20 ug/l 250 52 81 80-135 <br /> Toluene 886 20 ug/l 250 67 86 75-135 <br /> o-Xylene 580 20 ug/l 250 35 92 75-150 <br /> m p-Xylenes 114 20 ug/l 500 70 88 70-140 <br /> Xylenes,Total 172 40 ug/l 75 0 100 96 75-150 <br /> Di-Isopropyl Ether(DIPE) 248 50 ug/1 250 ND 99 65-135 <br /> Ethyl text-Butyl Ether(ETBE) 259 5 0 ug/l 250 ND 104 65-135 <br /> *yl Methyl Ether(TAME) 254 5 0 ug/l 25 0 ND 102 60-135 <br /> 11tert-butyl Ether(MTBE) 260 50 ug/l 250 ND 95 65-150 <br /> tert Butanol (TBA) 136 50 ug/l 125 ND 109 55-160 <br /> Stuiogate Dibroniofluoromethane 251 ugll 150 100 80-120 <br /> Surrogate Toluene-d8 255 ugll 25 0 102 80-120 <br /> Stu rogale 4-B?omofluorobenzene 252 ugll 250 101 80-120 <br /> Matrix Spike Dup Analyzed 12/23/01 (11 L2308-MSDi) Source IKLO716-09 <br /> Benzene 625 2 0 ug/l 25 0 38 98 70-140 0 20 <br /> Ethylbenzene 68 3 2 0 ug/l 25 0 52 65 80-135 6 20 M2 <br /> Toluene 859 2 0 ug/l 25 0 67 76 75-135 3 20 <br /> o-Xylene 55 2 2 0 ug/l 250 15 81 75-150 5 20 <br /> m,p-Xylenes 106 2 0 ug/l 500 70 72 70-140 7 20 <br /> Xylenes,Total 161 4 0 ug/l 75 0 100 81 75-150 7 20 <br /> Di-isopropyl Ether(DIPE) 253 5 0 ug/1 25 0 ND 101 65-135 2 20 <br /> Ethyl tert-Butyl Ether(ETBE) 266 5 0 ug/l 250 ND 106 65-135 3 20 <br /> tert-Amyl Methyl Ether(TAME) 270 5 0 ug/l 250 ND 108 60-135 6 20 <br /> Methyl-tert-butyl Ether(MTBE) 28 l 5 0 ug/l 25 0 ND 103 65-150 8 20 <br /> tent-Butanol(TBA) 124 50 ug/l 125 ND 99 55-160 9 40 <br /> Surrogate Dibroniofluorom ethane 242 ugll 250 97 80-120 <br /> Surrogate Toluene-d8 252 ugll 250 101 80-120 <br /> Surrogate 4-Bromofluorobenzene 244 ugli 250 98 80-120 <br /> Del Mar Analytical,Irvine <br /> Jim Hatfield <br /> Project Manager <br /> The?esults pertain only to the samples tested in the taboratory This repo?t shall not be reproduced <br /> except u1 Jiell without written pet mission fi om Del Mai Analvucal IKLO624 <Page 40 of 43> <br />