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• f � <br /> 110 2nd Avenue South ND7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell coni E-mail mam@ncc—pbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx W WorkOrder 0303023 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 6059 Spiked Sample ID 0303023-006A <br /> Sample Spiked MS" MSD* MS-MSD" LCs LCSD- LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ng/L pglL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 103 108 444 105 106 165 80 120 <br /> MTBE ND 10 872 109 220 847 823 285 80 120 <br /> Benzene ND 10 96 977 1 77 895 928 358 80 120 <br /> Toluene ND 10 904 916 132 854 88 308 80 120 <br /> Ethylbenzene ND 10 95 5 997 428 92 953 351 80 120 <br /> Xylenes ND 30 933 933 0 92 933 144 80 120 <br /> %SS 91 7 100 947 992 469 908 985 8 0$ 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 /> MS=Matrix Spike 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 matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil 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)/(Amount Spiked),RPD=100*(MS-MSD)1(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 /> ana relative to the amount spiked orb if that specific sample matnx interferes with spike recovery <br />