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i <br /> CALTECH Environmental Laboratories <br /> ICT7681,.4RosecransAvenue r'arnntount SCA 9G72i-;Ed6 <br /> hone (562) 272-2700 ; �62� 272-27'09 <br /> QA/QC Report <br /> Method 8015M/8021 B <br />' Matrix AQ <br /> Date Analyzed 12/20/01 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec. Rec, <br /> Benzene 467 472 50 93 94 70-130 1 1 <br /> Toluene 465 474 50 93 95 70-130 22 <br /> Eth benzene 577 482 50 115 96 1 70-130 165 <br /> Xylenes 133 127 150 89 85 70-130 1 45 <br /> TPH - Gasoline 469 449 500 94 90 60-140 1 42 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Drfference of LCS and LCSD <br /> I <br /> 1 <br /> I <br /> I <br /> I <br /> I <br /> i <br /> I <br /> i �r <br /> IOT/�i.. . I)1✓I�I�,�I D TJ �'L� I .��I ��� ��:T.�,I �L� tr)ti <br />