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P. 15 <br /> SEQUOIA ANALYTICAL <br /> hesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364.9233 <br /> a r. S 4, - 7C i5:7C:`w::kiaT.. ' 7 is <br /> ...._S T .... x..a_4......_3_.—_...�r.e 'v.a�-_�_ 1._ • <br /> kKrazan&Associates Client Project ID. E91-164 <br /> •'4816 E- Shields Ave. <br /> Fresno CA 93726 <br /> Reported: Octd: 076, 1991 <br /> r, <br /> Attention Tony Martin _ QC Sample Groufz`1100585 88 a_ a-.Po y <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Xyienee Total <br /> Benzene F*ooverable <br /> Oil 6 Grease <br /> Method: EPA 8020 EPA B^,20 EPA 8023 EPA 8020 EPA A 13.1 <br /> Analyst: L La:kh-.mAn L La:khtman L Laikhtnan L Laikhtman A Do <br /> Reporting Units: yg/L Wt. pg/L Fp/L mg/L <br /> Date Analyzed: Oct 14. 1991 Oct 14, 1991 Oct 14, 1991 Oct 14, 1991 Oct 7, 1991 <br /> OC Sample #: GBLK1014S1 081-M01491 GBLK101491 GBLK101491 BUUC0791 <br /> Sample Cone.: N.D. N.D. N.D. N.D. N.D. <br /> x,141 <br /> :Spike Cone. <br /> Added: . 10 10 10 30 200 <br /> Cone.Matrix <br /> Spike: 11 it 11 33 200 <br /> Matrix Spike <br /> % Recovery: 110 110 110 110 100 <br /> Cone. Matrix <br /> Spike Dup.: 11 I1 11 33 200 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 110 110 110 110 100 <br /> Relative <br /> %Difference: 0.0 0.0 0.0 0.0 0.0 <br /> `: --SQUOIA ANALYi1CAL .t_-- x Recovery r _..Conn of M. -Cone.of Sample s 100 - <br /> \J`_1 _ _ _---r60ke Coro.Aad.a �✓--."-+ z .� _- <br /> alas .z <br /> V7 Jd! Le Ta _ — -- _ of M B <br /> 0 — <14> -; <br />