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' 110 2nd Avenge South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br />' h9p//www mccampbell cam E mad main®mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0303476 <br />' EPA Method SW802113/8015Cm Extraction SW5030B BatchlD 6335 Spiked Sample ID 0303459-002A <br /> Compound <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Catena{%) <br />' pg/L Ng/L % Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 108 108 0 100 108 108 0 273 80 120 <br />' MTBE ND 10 113 108 4 17 107 104 333 80 120 <br /> Benzene ND 10 112 110 153 113 110 194 80 120 <br /> Toluene ND 10 107 104 2 19 108 106 205 80 120 <br />' Ethylbenzene ND 10 102 101 1 07 103 100 331 80 120 <br /> Xylenes ND 30 933 933 0 967 93 3 87 80 120 <br />' %SS 884 100 948 926 233 967 93 9 294 80 120 <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 /> I <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate,LCS=Laboratory CantraE Sample LCSD=laboratory Control Sample Duplicate,RPD=Relative Percent <br /> IDeviation <br /> . NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sail matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100.(MS—MSD)I(MS+MSD)"2 <br /> MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> IJanalyte relative to the amountspiked or b)if that specific sample matrix interferes with spike recovery <br />