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<br /> SEQUOIA _ ALYTI AL
<br /> 680 Chesapeake Drive • Redwood City,CA 94063
<br /> (415)364-9600 4 FAX(415)364.9233
<br /> -Delta]Environmental Consultants VClient Projeci'la:4d46-5E8 "'" Y:,,,a .._:. _.�_ ..-.::: „,,, „,,,,. •3
<br /> :.3330 Hata Drive :t
<br /> 'Rancho Cordmm,CA 95670 ;f
<br /> AtRerltlorl: RichChandlsr QC Sample Croup: 108-0295 Reported:Aug 20, 193t
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<br /> QUALITY CONTROL DATA REPORT
<br /> ANAC!M —
<br /> Barium Baryflium Cadmium Chromium Cobalt Co r MOI onum
<br /> M13thcd: EPA6010 EPA 6010 EPA60i0 VA600 EPAW10 EPA6010 EPA 8010
<br /> Analyst: C.Medefesser G Medefossor C.Medefesser C.Medefeeeer C.Medefeeeer C.Madefesaer C.Medafelil
<br /> Repi lg Unfts' mg/kg mg/kg mg/kg ng/kg mg/kg rl rni
<br /> Date Analyzed: Aug 13, 1991 Aug 15, 1991 Aug 13, 1991 Aug 13, 1981 Aug 13, 1891 Aug 13, 1991 Acg 13, 1991
<br /> CC Sample ijf: 108-0248 108-V48 100-0246 10$-0240 10"240 1(*-0246 108-0246
<br /> Sampla Conc.: N.D. N.D. N.D. I+!.D,
<br /> NZ. N.D. N.D.
<br /> Spike Cana.
<br /> Added: 250 250 250 250 260 250 250
<br /> Conc.M,ltrlx
<br /> 7. Spike: 250 250 260 250 250 260 250
<br /> Matrix Spike
<br /> %Recovery: 100 140 100 100 100 100 100
<br /> Cone.Matrix
<br /> Spike Dup.: 250 250 260 260 260 250 250
<br /> Matrix Spika
<br /> D1�plii:ratfl
<br /> %Recovery: 100 too 100 100 100 100 100
<br /> Relative
<br /> %Difference: 0.0 0.0 0.0 3.9 3.9 3.9 3.9
<br /> S QUQIA ANALYTICAL %Fieoovery: Cane.of M.S •,... of Sam le x 100
<br /> Spika Conc,Prided
<br /> 11 �lun rr Rblauve%Diffor mm! Cone.of M.S.-Ccnc,of M.S.D. x too
<br /> M&il,d Mcalilley Spring 1 (Conc.of M.S.+enc.of M,9.9.) z
<br /> Project Manager 1080299.01.r"e2>
<br />
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