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f <br /> STL <br /> � Submission 2005-05-0333 <br /> � a . �� <br /> CAM 17 Metals • <br /> _ ----I-URS-San Francisco, CA— <br /> -iAttn Erik Skov <br /> 221 Main Street#600 , <br /> San Francisco, CA 94105 <br /> Phone (415) 896-5858 Fax (415) 882-9261 <br /> Project 38066866 04000 " I Received 05/11/2005 16 41 ' <br /> Goodwin Procter Unifirst <br /> Batch QC Report <br /> Prep(s) 3010A Test(s) 6010B <br /> Laboratory Control Spike ` Water QC Batch4 2005105112-0515 <br /> LCS 2005105112-05 15-020 Extracted 05/12/2005 Analyzed 05/13/2005 10 05 <br /> LCSD I 2005105112-05 15=021 Extracted 05/12/2005 - - Analyzed 05/13/2005 10 15 <br /> Compound Conc mg/L- Exp Conc Recovery% RPD -Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Antimony 0 505 0 506 0 500 1010 101 2 0 2 80-120 20 <br /> Arsenic 0 507 0 507 0 500 1014 1014 0 0 80-120 20 <br /> Barium - - 0519"° 0 519 0 500 1038 1038 0 0 80-120 -20 7 <br /> Beryllium 6503 0 505 0 500 1006 1010' 0 4 86-120 '20 <br /> Cadmium 0 511 0 512 0 500 1022 1024 0 2 80-120 20 <br /> Chromium 0 515 0 517 0 500 1030 - 1034 0 4 80-120 20 <br /> Cobalt 0 512 0 513 0 500 1024 1026 0 2 80-120 20 ; <br /> .,-, - Copper _ 0 516 _ _ 0 518 0 500 103 2 tir 103 6__ 04 '80-120 20 <br /> Lead 0 512 0 515 0 500 1024 1030 0 6 80-120 20 <br /> Molybdenum 0 522 0 524 0 500 1044 1048 0 4 80-120 20 <br /> Nickel 0 514 0 516 0 500 1028 '103 2 0 4 80-120 20 <br /> Selenium 0 506 0 504 0 500 1012 1008 0 4 80-120 20 <br /> Silver 0 510 0 511 0 500 1020 1022 0 2 80-120 ' 20 <br /> Thallium 0 513 0 517 0 500 1026 103 4' 0 8 80-120 20 <br /> Vanadium 0 515 0 516 0 500 1030 1032 0 2 80-120 20 <br /> Zinc 10511 0 513 0500 102 2 11026 0 4 80-120 20 <br /> r <br /> 1 <br /> ' I <br /> Severn Trent Laboratories, Inc 0511712005 14 04 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 4 <br /> A Ddn UT Severn rro tPic Tel 925 484 1919 Fax 925 484 1096"www stl-mc cam'CA DNS FLAP#2496 Page 8 of 11 <br />