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' '4"N Wiget Lane <br /> _ <br /> Sequoia , , Walnut Creek, 94598 <br /> �' < ' �� �, (9z5)98a-9600 <br /> !FAX 98(925)988-9673-- <br /> low Analytical ' y ��-.-- � *, _ � + + '� u www sequolalabs coin <br /> Gettler Ryan,Inc -Dubbin Project Tosco <br /> ,I! <br /> 6747 Sierra Court Suite J' Project Number Tosco# 11194 + i Reported <br /> Dublin CA,94568 Project Manager Doug Lee I 04-Jan-01 10 30 <br /> Total Metals by EPA 6000/7000 Series Methods*; Quality Con+trot' <br /> Y t+ e <br /> Sequoia Analytical -Walnut Creek <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Luntt Units Level Result %REC Lunits RPD Lunt Notes <br /> Batch OL21022-'200 7 <br /> Matrix Spike(OL21022-MSI) Source W012313-01 Prepared 21-Dec-00 Analyzed 30-Dec-00 <br /> Cadmium 0 968 0 010 mg/l 100 ND 968 80-120 <br /> Chromium 103 0 010 100 ND 103 80-120 <br /> Copper 113 0 010 100 0 014 112 80-120 <br /> , <br /> Lead 0 929 '' 0 020 100 ND 929 80-120 <br /> Nickel 0 989 0 010 I 00 0 012 977 80-120 <br /> Zinc : 0 981 0 020 100 0 033 948 80-120 <br /> Matrix Spike Dup (OL21022-MSD1) Source-W012313-01 Prepared 21-Dec-00 Analyzed 30-Dec-00 ` u <br /> LCadmium z _i_ _ F 0 999 0 010 niO_ 100 ND 999 -80-120 3 I5 20 <br /> Chromium 102 0 010 100 ND '102 80-120 0 976 20 <br /> Copper IJ 110 0 010 100 0 014 109 80-120 269 20 <br />` Lead - 0 927 0 420 100 ND 927 80-120 0 216 20 - <br /> Nickel 100 0010 100 0 012 498 80-124 1 11 20 . <br /> Zinc 107 0 020 too 0 033 104 80-120 868 20 <br /> - <br /> ! <br /> A <br /> ' V <br /> A <br /> I � <br /> Sequoia Analytical-Walnut Creek The results in ibis report apply to the samples analysed in accordance with the chain <br /> + custody document This analytical report must be reproduced in its enti-W <br /> t <br /> Page 13 of 25 <br /> , <br />