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404 N Wiget Lane <br /> Sequoia Walnut C(9Z5)9 94598 <br /> tINsFAX(925)988-%73 <br /> Analytical """`"sequ°`a'abs`°"' <br /> Gettler Ryan,Inc -Dublin Project Tosco <br /> 6747 Sierra Court Suite J Project Number Tosco# 11194 Reported <br /> Dublin CA,94568 Project Manager Doug Lee 04-Jan-01 10 30 <br /> Total Metals by EPA 6000/7000 Series Methods - Quality Control <br /> Sequoia Analytical -Walnut Creek <br /> Repoitmg Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch OL21022-200.7 <br /> Blank(OL21022-BLKI) Prepared 21-Dec-00 Analyzed 30-Dec-00 <br /> Antimony ND 010 mg/1 <br /> Arsenic ND 010 " <br /> Banum ND 0 010 " <br /> Beryllium ND 0 010 " <br /> Cadmium ND 0 010 " <br /> Chromium ND 0 010 " <br /> Cobalt ND 0 010 " <br /> Copper ND 0 010 " <br /> Lead ND 0 020 <br /> Molybdenum ND 0 010 " <br /> Nickel ND 0 010 <br /> m ND 0 10 <br /> r ND 0 010 " <br /> Vanadium ND 020 " <br /> Zinc ND 0 020 " <br /> LCS(0L21022-BS1) Prepared 21-Dec-00 Analyzed 30-Dec-00 <br /> Cadmium 104 0 010 1119/1 100 104 80-120 <br /> Chromium 108 0 010 100 108 80-120 <br /> Copper 120 0 010 1 00 120 80-120 <br /> Lead 0 978 0 020 100 978 80-120 <br /> Nickel 107 0 010 too 107 80-120 <br /> Zinc 102 0 020 100 102 80-120 <br /> LCS Dup(OL21022-BSD1) Prepared 21-Dec-00 Analyzed 30-Dec-00 <br /> Cadmium 107 0 010 mg/1 100 107 80-120 294 20 <br /> Chromium 1 14 0 010 100 114 80-120 541 20 <br /> Copper 120 0 010 1 00 120 80-120 0 20 <br /> Lead l 01 0 020 100 101 80-120 322 20 <br /> Nickel 109 0 010 " 100 l09 80-120 185 20 <br /> Zinc 104 0 020 100 104 80-120 194 20 <br /> i <br /> I <br /> Ola Analytical-Walnut Creek The results in this report apply to the samples analyzed in accordance with the charm of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 12 of 25 <br />