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I 10 2nd Avenue South,11D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http I/www mccampWI com E-mail main@mccatnpbell com <br /> i QC SUMMARY REPORT FOR SW8021B/8015Cm _ <br /> Matrix W WorkOrder 0309344 <br />' EPA Method SW8021818015Cm Extraction SW5030B BatchlD 8606 Spiked Sample ID 0305354-001A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCS D LCS-LCSD Acceptance Criteria(%} <br />' Ng/L pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 947 965 186 974 100 287 70 130 <br /> MTBE NO 10 107 102 5 16 97 1 112 139 70 130 <br />' Benzene ND 10 112 101 105 101 102 179 70 130 <br /> Toluene ND l0 114 101 123 95 1 952 00559 70 130 <br />' Ethylbenzene ND to 115 t03 Ho 101 102 108 70 130 <br /> E <br /> Xylenes ND 30 117 103 121 91 947 3 95 70 130 <br /> %SS 105 100 104 103 0 882 100 99 6 0 680 70 130 <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 /> 1 <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> %Recovery=100'(MS-Sample)I(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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> E TPH(btex)=sum of BTEX areas from the FID <br />' #cluttered chromatogram sample peak coelutes with surrogate peak <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 dire to high matrix or <br /> analyte content <br /> I <br />