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1 <br /> l 10 2nd Avenue South iYD7 Pacheco CA 94553-5560 <br /> f McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br />' 1 ltttp//www mccampbell coin E mail majn(u)mecampbel]com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0207389 <br />' EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 3175 Spiked Sample ID 0207390-003A <br /> Sample Spiked ; MS* MSD* IMS-MSD*I LC5 LCSD !LCS-LCSDIAcceptance Criteria(%) <br /> Compound <br /> pg/L I pg/L. % Rec %Rec % RPO i °/p Rec %Rec % RPD Low High <br /> TPH(gas) ND i 60 998 i 995 0 310 993 99 0 339 80 120 <br /> MTBE ND 10 992 1 l 8 169 103 993 399 80 120 <br /> I <br /> Benzene ND � 10 105 115 900 310 104 541 80 120 <br /> Toluene ND 10 111 119 737 116 110 546 80 120- <br />' Ethylbenzene ND 10 109 114 4 99 112 105 i 6 17 80 120 <br /> Xylenes ND + 30 1 107 113 606 110 103 625 80 120 <br /> %S3 107 100 1 107 109 1 54 I 111 107 328 80 120 <br /> I ' I <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 />� w <br /> MS=Matrix Sptke MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyse content <br /> I %Recovery= 100*(MS-Sample)/(Amount Spiked) RPD=100•(MS—MSD)/(MS+MSD)'2 <br /> *MS and/Or MSD spike recovenes may not be near 100%or the RPDs near 0%if a)the sample is mhomogenous AND contains significant concentrations of <br /> Ianalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />