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+ 1102nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> 14 <br /> McCampbell Analytical Inc I Telephone 925 798-1620 Fax 925-798-1622 <br /> ' http//www mccampbell com E-mad main@mccampbell com ' <br /> 1 00 QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx W WorkOrder 0309344 <br /> ' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 8603 Spiked Sample ID 0309344-009A <br /> Sample Spiked MS* MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Pg/L Irg/L % Rec %Rec %RPD %Rec %Rec °h RPD Low High <br /> TPH(btex)0 ND 60 105 102 283 95 8 989 3 12 70 130 <br /> ' MTBE ND 10 109 105 403 937 101 1 769 70 130 <br /> Benzene ND 10 105 106 0 712 992 102 3 03 70 130 <br /> Toluene ND 10 973 97 0 337 91 3 93 1 81 70 i 130 <br /> ' Ethylbenzene ND 10 104 104 0 995 103 3 1870 130 <br /> Xylenes ND 30 95 3 9530A:56 <br /> El <br /> 3 947 468 70 130 <br />' %SS 106 100 102 104 3 102 0 135 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=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> t Deviation <br /> %Recovery=100'(MS-Sample)1(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 /> analyte relative to the amount spiked or b)if that speGfic sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of STEX areas from the FID <br />' #Guttered chromatogram,sample peak coelutes with surrogate peak <br /> N/A=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 /> I <br />