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SE000 ,CA 94063 Chesapeake A ANA- Redwood LYTICAL <br /> 680 <br /> (415) 364.9600 • FAX(415)364.9233 <br /> ,.r�--�: - .,.a,...-.-- ��... :. �, . ,... <br /> 02 <br /> �;x ,: <br /> .Watervvorlc 01artt Project ID: W0602.1 C.City of Stockton.Banner island <br /> 1.1710 Main Street <br /> Escaion,CA 45320 <br /> Atter>t)on: BIH Channell OC Sample Group 2033053 55 Reported <br /> T� <br /> 211 <br /> 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Hexzvwrn <br /> Anrn7c Sei"Um Aromorry ThWhum Aresnic Sewnivm Chromiurr. <br /> Method: EPA 2J62 EPA 270.2 EPA 2042 EPA 2792 EPA 2062 EPA 2702 EPA 7196 <br /> AnaJySt F.Contreras F.Confreres F.Contrwas F.Converas F.Contreras F.Contreras V.AnkWW <br /> Reporting Units: mg/L mp/L mp/L nV/L rng/L mp/L mp/L <br /> Date Analyzed: Mar 24. 19x2 Mar 24. 1992 roar 24, 1992 Mar 24, 19x2 Mar 29, 1992 Mar 2S, 19x2 Mar 19, 1902 <br /> OC Sample#: 20337P 20-3757 2033066 2033055 2031006 2031006 2033055 <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. 0.010 N.D. <br /> Spike Conc. <br /> Added: 0.10 0.10 0.10 0.10 0.10 0.10 0. 0 <br /> Conc. Matrix <br /> Spike: 0.087 0.099 0.091 0.094 0.096 0.12 0.56 <br /> Matrix Spike <br /> %Recovery: 87 99 91 94 96 110 117 <br /> Conc. Matrix <br /> Spike Dup.: 0.086 0.099 0.092 0.096 0.098 0.13 0.57 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 86 99 92 96 98 120 104 <br /> Relative <br /> %Difference: 1.2 0.0 1.1 2.1 2.1 8.0 7.4 <br /> SEOUOIA ANALYTICAL %psoovery: Conc.of M.S.•Cone.of Sarnow a 100 <br /> , <br /> Spike Gone.Afloeo <br /> � a Relative%DiNerer": Conc.of M.S.•Cone.of M.S.D. it 100 <br /> fCont.of M.S. • Cone.of M.S.D.) 2 <br /> Troject Manager 21]33063 WAT c9> <br />