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It 0 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hip/lwww mccampbelt com E-mai$ mam©mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0209327 <br /> IEPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 4075 Spiked Sample ID 0209327-002A <br /> Sample Spiked RAS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> hg/L Ng/L % Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TP11(gas) ND 60 928 91 S 141 118 987 175 80 120 <br /> I MTBE ND 10 896 962 707 994 107 769 80 120 <br /> Benzene ND 10 902 888 1 53 936 992 5 84 80 120 <br /> Toluene ND 10 963 95 140 94 1 954 1 40 80 120 <br /> Ethylbenzene ND 10 101 101 0 546 97 7 100 2 52 80 120 <br /> Xylenes ND 30 100 997 0 334 93 3 967 3 51 80 120 <br /> I %SS 957 100 985 98 7 0 165 967 995 2 88 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 /> I NONE <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix 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)/(MS+MSD)'2 <br /> 'MS and 1 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 /> Ianalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />