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2852 Alton Ave Irvine CA 92606 (949)261 1022 FAX(949)261 1228 <br /> Del Mar Analytica I 1014E ColdbS Dr Suite A Coon CA 92324 (909�370 4667 FAX(904)370 1046 <br /> 7277 Hayvenhurst Suite B 12 Van Nuys CA 91406 (818)779 1844 FAX(81 B)779 1843 <br /> 9484 Chesapeake Dr Suite 805 San Diego CA 92123 (858)505 8596 FAX(858)505 9.589 <br /> 9830 South 51st St Suite B 120 Phoenix AZ85044 (480)785 0043 FAX(480)785 0851 <br /> Nnvironmental Project ID 002-70950 Uhaul- Stockton <br /> orth Third Avenue 002-70950-03 Sampled 07/10/01-07/12/01 <br /> ' Phoenix, AZ 85003 Report Number IKGO396 Received 07/13/01 <br /> Attention Brett McDaniel <br /> METHOD BLANK/QC DATA <br /> BTEXIOXYGENATES by GC/MS (EPA 8260B) <br /> Reporting Spike Source %REC RPD Data <br /> ' Analyte Result Limit Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch, t t <br /> 1BlankAnalyzed 07/17/01 (11G1714-BLKI) <br /> Benzene ND 20 ug/l <br /> Ethylbenzene ND 20 ug/l <br /> 'Toluene ND 20 ug/l <br /> o-Xylene ND 20 ug/l <br /> m,p-Xylenes ND 20 ug/l <br /> Xylenes,Total ND 40 ug/l <br /> tthyl <br /> i-isopropyl Ether(D1PE) ND 50 ug/l <br /> tent-Butyl Ether(ETBE) ND 50 ug/1 <br /> tert-Amyl Methyl Ether(TAME) ND 50 ug/l <br /> tert-butyl Ether(MTBE) ND 50 ug/l <br /> WdWMtanol(TBA) ND 50 ug/l <br /> Surrogate Dtbromofluoromethane 238 ug/1 250 952 80-120 <br /> flIrrrogate <br /> rogate Toluene-d8 241 ugll 250 964 80-120 <br /> 4-Bromofluorobenzene 241 ug11 250 964 80-120 <br /> LCS Analyzed 07/17/01 (11G1714-BSI) <br /> (enzene 190 20 ug/l 250 760 75-130 <br /> thylbenzene 21 7 20 ug/l 250 868 75-135 <br /> oluene 208 20 ug/l 250 832 75-130 <br /> (Ilenes, <br /> Xylene 21 4 20 ug/1 250 85 6 75-130 <br /> p-Xylenes 430 20 ug/l 500 860 75-135 <br /> Total 645 40 ug/l 750 860 75-135 <br /> Di-isopropyl Ether(DIPE) 164 50 ug/l 250 656 65-135 <br /> Fthyl tert-Butyl Ether(ETBE) 190 5 0 ug/l 250 760 65-135 <br /> e rt-Arny I Methyl Ether(TAME) 190 50 ug/l 250 760 60-135 <br /> Methyi-tert-butyl Ether(MTBE) 191 so ug/I 250 764 65-135 <br /> (,t-,Butanol(TBA) 114 50 ug/l 125 91 2 55-160 <br /> arrogate Dtbromofluoromethane 24 7 ugll 250 988 80-120 <br /> arrogate Toluene-d8 245 ug/1 250 980 80-120 <br /> Surrogate 4-8romofluorobenzene 266 ugll 250 106 80-120 <br /> 1 <br /> • <br /> tel Mar Analytical, Irvine <br /> Jim Hatfield <br /> �rolect Manager <br /> The t esults pertain only to the samples tested in the laboratory This report shall not be i eproduced <br /> except in full without wrrtten permission from Del Mar Anafyncal IKGO396 <Page 42 of 52> <br />