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OR <br /> SEQUOIA ANALYTICAL <br /> rw <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364-9600 FAX(415)364.9233 p ¢ <br /> .I•G`+.�.f:kuk...4� vt• +� ra. �t:ai< tNai 5 r.J.c. .....r..., -' <br /> Materwork Client Project ID: #20223-1,Knov4e3 Property - <br /> 1710 Main Street <br /> 'Escalon,CA 93320 Re rted Oct 31, 1969 <br /> AAttentit�rl:Jim Scholland QC Sampie Gro u :910-2415 <br /> "`sx ,as�u" x a dzax azu <br /> t . . <br /> QUALITY CONTROL DATA REPORT <br /> i <br /> 'y i AL Benzene 7olJens Ethyl Xylonee <br /> Benzene _ <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: GS/JD GS/JD GS/JD GS/JD <br /> Reporting Units: mg/Kg mg/Kg mg/Kg mg/Kg <br /> Date Analyzed: Oct 28, 1 N Oct 2s, 1884 Oct 25, 1W Oct 25, 1989 <br /> i 714 9103714 <br /> QC Sample#: 910.97114 9x03714 9103 <br /> } <br /> Sample Cone.: N.D. N.D. N.D. N.D. <br /> x <br /> ; j Spike Conc. 1 1 1 3 <br /> Ll Added: <br /> i ( Coda.Matrix 0.48 0.71 0.85 2.4 ! <br /> Spike: <br /> MaUU Spike 48 71 85 80 t <br /> t <br /> 95 Reverg►: <br /> l� -Ca iC ,Mptrbc <br /> Sp 0.52 0.77 0.81 2.3 <br /> Spike Dup. <br /> rw <br /> Mabft Spike 32 77 81 77 <br /> 3 Duplicate s <br /> %ftocovery: <br /> p L - <br /> Relative 8 8.1 4.8 41 <br /> _ %Ditterenca: <br /> L 'SDS QUG A ANALYTICAL %RWWVery at nn.s..Cana.of sem x 100 r <br /> ko Com Added <br /> LFbIAtIn 9<DlfMrenOW Cann,of M.S.•Cone.of MAD. x 100 <br /> *man no.of M.S.+-Cacx.of M.S.D.) 2 <br /> L`1 b <br /> PrOled Manager 002415.WAT.<0 <br /> E � , <br /> i- 7ts <br />