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2852 Alton Ave Irvine CA 92606 (949)261 1022 FAX(949)261 1228 <br /> De! Mar Rnalytea t 1014E Cooter or Suite A Colton CA 92324 (909)370 4667 FAX(909)370-1046 <br /> � 9484 Chesapeake Or Susie 805 San[)sego CA 92123 (858)505 8596 FAX(856)505 9689 <br /> 9830 South 51 sl SI Suite 8 120 Phoenix AZ 65044 (480)785 0043 FAX(460)785 0851 <br /> 2520 E Sunset Rd #3 Las Vegas NV 89120 (702)798 3620 FAX(702)798 3821 <br /> .". y -.- u ,'7F _.....z^ x r_.:.�....� • <br /> s Environmental Project ID 002-70950 Uhau! -Stockton _ry ` <br /> 1433 North Third Avenue 2701 N Wilson Way Sampled 09/24/02-09/26/02 <br /> Phoenix, AZ 85003 Report Number ILI1342 Received 09/27/02 <br /> Attention Brett McDaniel 1 <br /> METHOD BLANK/QC DATA <br /> BTEXIOXYGENATES by GUMS (EPA 8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Lirmt Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch I2 0102 Extracted 10/01/02 <br /> lank Analyzed. 10/01/02 (12J0102-BLK1) <br /> Benzene ND 2 0 ug/1 <br /> ofth yl benzene ND 2 0 ug/l <br /> oluene ND 2 0 ug/l <br /> o-Xylene ND 2 0 ug/l <br /> m p-Xylenes ND 2 0 ug/l <br /> tylenes Total ND 40 ugll <br /> -tsopropyl Ether(RIPE) ND 5 0 ug/l <br /> Ethyl tent-Butyl Ether(ETBE) ND 50 us/[ <br /> nerftyl Methyl Ether(TAME) ND 5 0 ue/l <br /> Cert-butyl Ether(MTBE) ND 50 ug/l <br /> ten-Butanol (TBA) ND 50 ug/l <br /> ritiogcrte Dibioinofluooinethane 2?7 11g/1 250 95 80-120 <br /> uttogate Tolueire-d8 24 7 ug11 250 99 80-120 <br /> w rogate 4-Bronofluorobenzene 255 11g/1 250 102 80-120 <br /> CS Analyzed 10/01/02 (I2J0102-BSI) <br /> enzene 21 3 2 0 ug/l 250 85 75-130 <br /> thylbenzene 234 2 0 ug/l 250 94 75-135 <br /> Toluene 220 2 0 ug/l 250 88 75-130 <br /> Xylene 233 2 0 ugll 25 0 93 75-130 <br /> p-Xylenes 472 2 0 ug/1 500 94 75-135 <br /> Xylenes Total 704 4 0 ug/l 750 94 75-135 <br /> i-isopropyl Ether(RIPE) 23 5 5 0 ug/1 25 0 94 65-135 <br /> thyl tert-Butyl Ether(ETRE) 214 5 0 ug/l 25 0 94 65-135 <br /> tert-Amyl Methyl Ether(TAME) 21 7 5 0 ug/l 250 87 60-135 <br /> Methyl-tent-butyl Ether(MTBE) 226 5 0 ug/l 250 90 65-135 <br /> lrt-Butanol (TBA) 124 50 ug/l 125 99 55-160 <br /> urrogate Dtbroinofluoromethane 246 ug/1 250 98 80-120 <br /> Surrogate Toluene-d8 249 ug/! 250 100 80-120 <br /> �trogale 4-Bromofluorobenzene 268 trg/l 25 0 107 80-120 <br /> 1 <br /> lei Mar Analytical, Irvine <br /> ]tin Hatfield <br /> 10'ect Manager <br /> The results pertain only to the samples tested in the laboratory This repot t shall not be reproduced <br /> except in full without written petnumon from Del Mar Analytical ILI1342 <Page 31 of 39> <br />