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�'3a a; = ?' �br'4ve m. z' _ _�,� z'�. � �, �.. .�A:, _ Wa ,F� PIE <br /> mss. <br /> 8� <br /> i <br /> rr <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Dave • Redwood City,CA 94063 <br /> (415)364.5600 • FAX(415)364-9233 <br /> ,r A <br /> Waterwork <br /> Client Project ib.'TRI-valley Growers, #62102-1 <br /> 1710 Main Street <br /> Escalon,CA 953200092843 4092848 Reported Oct 3 1990 <br /> Attention Sill Channell QC Sample Group <br /> . v <br /> � awnS.. ...w.8k...s.wA.mt.k,Kh w,M i.n/..+.+,.A�+F-.•N N <br /> OUAUTY CONTROL DATA REPORT <br /> psnxeno Toluene EsXylenesJANALYTt: <br /> Benzene 5 Grasse <br /> EFA EPA EPA EPA <br /> Method: 6015/8020 E415/8020 9015/5020 8015/8020 SMSM'k3E <br /> Analyst: W.Pwks W.PU" W.Farks W.Parks LL <br /> jigL Yg/L Yp/L mg/t• <br /> Reporting Units: YB/L Oct19Sa Oct 1, 1990 oot 1, 1890 Sep 25, 1990 <br /> Date Analyzed: Oct 1, 1390 0091"05 om4405 OLK92490 <br /> QC Sample#: 009,140 <br /> Sample Conc.: N.D. N.R. <br /> N.D. N.D. N.D. <br /> Spike Cars. 10 10 30 100 <br /> Added: 10 <br /> Canc.Matrix 7.8 7.2 24 97 <br /> Spike: 8.0 <br /> Matrix Spike 78 72 80 97 <br /> %Recovery: so <br /> Cone.Matrix 91 8.6 28 95 <br /> Spike Dup.: <br /> 9.2 <br /> Matrix Spike <br /> Duplicate 92 91 86 93 95 <br /> %Recovery: <br /> Relative 14 16 14 2.1 <br /> Difference: 13 <br /> Sl= 0 ANALYTICAL <br /> }00 <br /> x iocovsry Con-.at M S •Canc.al Samate x <br /> ` J/ Spske c.Atldoa <br /> lalive%orilsrenes: Conn.of M.S.•COM-at M.S.E1. ><ICO <br /> •Cnc. M0Zco -.aM928I7.WAT ,3a <br /> lizabeth W.Hacfd <br /> rrnect Manager <br /> I <br />