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i <br /> 110 2nd Avenue South 9137 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ihttp//wwwmcca.mpM]cam E-mail main©mccampbelcom <br /> iQC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303442 <br /> iEPA Method SW8021 B/8015Cm Extraction SW6030B BatchlD 6315 Spiked Sample ID 0303427-009A <br /> Compound Sample Spiked MS* MSD* MS-MSD-1 LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> i <br /> Ng/L pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 t 12 114 1 65 112 114 185 80 120 <br /> iMTBE ND 10 106 102 336 957 98 1 253 80 120 <br /> Benzene Nil 10 106 105 0 975 94 4 95 3 1 03 80 120 <br /> i Toluene ND 10 9,92 101 180 902 911 106 80 120 <br /> Ethylbenzene ND 10 991 974 1 70 962 975 131 80 120 <br /> Xylenes ND 30 93 89 440 93 933 0 358 80 120 <br /> i %SS 947 100 888 91 5 3 06 96 7 976 0 890 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 /> i <br /> I <br /> i <br /> i <br /> i <br /> i MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Retabve Percent <br /> Deviation <br /> NIA=not enough sample to perforin matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds tic spike amount for water matrix or sample diluted due to high matrix or <br /> i analyte content <br /> %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> 'Wand l or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample m inhomogenous AND contains sigmfieant conoentrations of <br /> i analyte relative to the amount spiked orb if that speeFfic sample ma tmc Interferes with spike recovery <br /> ` <br />