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10-21-1996 03 56PM FROM PACIFIC_SACRAMENTO Inc TO 12094683433 P 13 <br /> s ' <br /> $ Chesapake 19nve Redwood Gly CA 94063 364%W FAX(415)364 9233 <br /> @[�t1tD1a 404 N Vgei lane Walnut Cmck CA 94598 0986-9600 FAX(510)981-9673 <br /> • i r <br /> j `e y��� ��+�� I 8195[dkcrAvemse Swte 8 $acT.unemo CA 9343# (916} 921-9600 FiAX(5 b)91 -OY00 <br /> 11!11 i � i+a I � <br /> ,'..�""` r^:,.,,y 5 �ox.r <br /> Ofi�a�c rlvirorirhkiial Group, Inc Client pr-—.ilk Chevron#9-6258, tockton,CA - <br /> 11315 Sunrise Gold Circle, #M Matrix Sod <br /> Rancho Cordova, CA 95742 i I <br /> 1 Attention Roger Hoffmore �QCSample Group M6091019-21 LLV A t r� Reported Oct 2 llm9 <br /> `{i-��s7�I: "aF•wxawW - ^kms >� ':k ,�-^.^ w � 'a 9� .[,n-> s...wn " --�". '..r.-w <br /> l <br /> QUALITY CONTROL DATA REPORT <br /> 7 Oil&Grease Lead Cadmium Moi enum Silver Me <br /> i I <br /> Methods SM 552o EF I EPA 6010 EPA 6010 EPA 6010 }EPA 6010 EPA 7471 <br /> { Analy$'tC LM/J J K.Barta K Baria K Bart& 'K Santa K-Barta <br /> Concentes %rel ' <br /> Spiked`(. Soo Mo/k9 50 mg/kg 50 mg/kg 50 mg/kg 50 mg/kg 025 ma/kg <br /> I <br /> LCS Batch#,. LCSW2496 LCS092596 LC5492596 LCS092596 LCS0925N LC8092496 <br /> Date Prepared: o9/23/96 09/25/96 O9/25/96 09/25/96 99/95/96 05/24/96 <br /> j Date Analyzed 09/24/0 109/27/96 09/27/96 09/27/96 '0®/27/96 09/26/96 <br /> I Instmment 1-04, BAL-4 Icp-1 ICP-1 tCP.1 1CP-1 AA,1 <br /> I 1 <br /> ` LCS 96 <br /> Recovery; 95 92 91 90 89 82 <br /> t <br /> Contras l lrrllt . To-13o W120 80-120 80-120 80.120 80.120 <br /> �y' <br /> ^t, v �` <br /> MS/MSD <br /> I Batch#. 6090603 6091018 6091019 6091010 IM91016 6090815 <br /> l I <br /> Data Prepared: 08/11/96 09/25/96 09/25/96 09/2.5/96 09/25/96 09/24/96 <br /> Date Analyzed:; 09/23/96 09/27/96 09/27/86 09/w/s6 b9/27J9s 05/2s/96 I <br /> Instrument I D.#T RAL-4 ICP-1 ICP•1 ICP-1 IC12-1 AA-1 <br /> Matrix Spine <br /> %Recovery: 85 64 64 48 64 61 <br /> I <br /> I Matrix Spike <br /> i Duplicate% <br /> Recovery, sY3 63 64 48 1 64 57 <br /> r � <br /> s <br /> I FW46tive% <br /> Difference, 12 Is 00 00 go 68 <br /> ] i i <br /> I I <br /> Plead Note <br /> The LCS is a control sample of known interrarent fl+ele matrix that as analyzed using the same reagents, <br /> SEQUOIA ANAL nCAL prepaiabon and analytical methods employed for the samples The LCS%recovery data ie used for j <br /> validation of sample batch results Due to matrix effects.the QC Urnits for MS/MSDs are advisory only <br /> Vtcc'� and are not used to axe or re ect batch results <br /> elda der (� <br /> roloot Manager/Sacramento Laboratory, <br /> 6091019 PES c12> <br />