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' 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> L A# McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http/hvww mccampbell com E-mail main@rnccampbell tam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0312190 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 9625 Spiked Sample ID 0312190-015A <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex) ND 60 96 1 988 279 746 73 162 70 130 <br /> MTBE ND 10 tl l 114 284 109 113 371 70 130 <br /> Benzene 175 10 108 107 0 655 112 110 197 70 130 <br /> Toluene ND 10 111 112 0 390 112 t 10 161 70 130 <br /> Ethylbenzene ND 10 109 110 0 955 112 110 200 70 I 130 <br /> Xylenes ND 30 I10 110 0 110 110 0 70 130 <br /> %SS 104 100 115 113 154 114 112 1 17 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 /> I NONE <br /> MS=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)I(Amount Spiked) RPD=100*(MS- MSD)/((MS+MSD)12) <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 /> £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 due to high matrix or <br /> Ianalyte content <br /> 1 <br />