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]10 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McC3mp17eI1 Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> h //www rr=armbell com E mad main campbcll com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0306233 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B SatchlD 7306 Spiked Sample ID 0306236-004A <br /> Sample Spiked IVIS' MSD' MS-MSD" LCS LCSD jLCS-LCSD Acceptance Cntena(%) <br /> pglL NglL % Rec %Rec %RPD %Rec % Rec % RPD low High <br /> TPH(btex) ND 60 112 110 202 107 112 428 70 130 <br /> MTBE ND 10 98 95 312 975 98 5 1 03 70 130 <br /> Benzene ND 10 107 108 0 939 105 108 3 03 70 130 <br /> Toluene ND 10 995 101 130 98 2 101 3 07 70 130 <br /> Ethylbenzene ND 10 106 108 190 104 109 4 45 70 130 <br /> Xylenes ND 30 103 103 0 96 3 103 7 O1 70 130 <br /> I <br /> %SS 101 100 103 104 0 761 101 101 0 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> i <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> %Recovery=100•(MS-Sample)l(Amount Spoked) RPD=100•(MS—MSD)I(MS+MSD).2 <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> I analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matnx spike and matrix spoke duplicate <br /> NR=analyte concentration in sample exceeds spoke amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> anal a content <br />