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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX (415) 364-9233 <br /> x iI xwrr v .{vat titn0 nSrrvi ` A`W`h w+. "„vH»iiir`r>{x}Fr4Wn�S r>vvv y r �v}�Cv..rr y u to srvN> {r Jn>N n 1�s�i rx M1.s v>r rr yry 04 .�rn.v yw. ISM"-i C`:S�'r'�irs{`W,�`/^�r^+fi 2�Y��5 <br /> y]�iYi�uxri'SW{}>>Ov.:++Gr¢.'3+'Nw'lsh+rht$vFlr}a sxwvt 3iFwrnwMS.�LSM>`f'r:h" 'c f �i 4s}x asv 0..Jx•±C k43\"ii++s"x� 3-�s4}k4,ns�4}n r:v'NN.vsk�N:�in`�is[n +w5v"xsv�su�}'rw rn^s Fairh'S�h �.�`i].�"� <br /> 4RESNA Client Project ID W0388, Reeves Exxon/Tracy s <br /> 1 1710 Main Street <br /> gEscalon, CA 95320 Reported May 7, 1992 <br /> Attention Greg Stah[ _ QC Sample Group 204-4326 v <br /> srr... Msrnorenor} „x r>rm ,>,� xy >+r{ +r rsmre <br /> �{s +S s x +pili Oil s xvu9}yy_4x4S s nrr �vvA s x'+�rr.S ti}.."iv:`r-war � wrw4�ri ' '�'�`lrkw x,.x r 23>•+�' ^Fi llciJ r2.`..sm xix6xr^i.4v tirrlr'�i'N/ <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes; <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst R Eastman R.Eastman R.Eastman R.Eastman <br /> Reporting Units mg/kg mg/kg mg/kg mg/kg <br /> Date Analyzed Apr 27, 1992 Apr 27, 1892 Apr 27, 1992 Apr 27, 1992 <br /> QC Sample# GBLKD42792 GBLK042M GBLK04ZM GBLK042792 <br /> Sample Cone.: 0 006 N D N D N D <br />.� Spike Cone. <br /> Added. 020 020 020 060 <br /> Cone. Matrix <br /> Spike- 018 018 018 054 <br /> Matnx Spike <br /> %Recovery: 87 90 90 90 <br /> Cone. Matnx <br /> Spike Dup.: 019 019 020 057 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery 95 95 100 95 <br /> Relative <br /> %Difference: 54 54 11 54 <br /> OSEQUOIA ANALYTICAL %Recovery Cone of M S -Cone of Sample x 100 <br /> Spike Cone Added <br /> pL <br /> AIM 6( Reiat ve%Difference Cone of M S -Cone of M S D x 100 <br /> ee (Cont of M S + Cone of M S D) 2 <br /> Manager 2044326 WAT <5? <br />