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110 2nd Avenue South,t1D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www inccarnpb::ll corn L nail rwin@rnccampbell corn <br /> QC SUMMARY REPORT FOR SW802IB/8015Cm <br /> Matrix. W WorkOrder 0406242 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 11961, Spiked Sample ID 0406242-021A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L lig/L % Rec %Rec %RPD % Rec %Rec %RPD Low High <br /> TPH(bwx)F ND 60 97 6 954 221 100 961 —422 70 130 <br /> MTBE ND 10 981 93 7 465 994 936 604 70 130 <br /> Benzene ND 10 112 102 891 109 106 303 70 130 <br /> Toluene ND 10 108 9149 125 104 100 387 70 130 <br /> Ethylbenzene ND 10 110 111 0 835 108 106 236 70 I 130 <br /> Xylenes Ni) 30 96 967 0 692 95 3 95 0 350 70 130 <br /> %SS 86 7 10 107 107 0 106 104 156 70 130 <br /> All target compounds in thc,Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> IVIS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100"(MS-Sample)!(Amount Spiked) RPD=100'(MS- MSD)!((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 /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of 6TEX areas from the FID <br /> #cluttered chromatogram,sample peak coelutes wrath surrogate peak <br /> N/A=not applicable or 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 /> anal content <br /> DHS Certification No 1644 - QA/QC Officer <br />