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' 110 2nd Avenue South#177,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www rnceanipbell corn E-mail Tnarnccaruphell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Crn <br /> Matrix W WorkOrder 0307006 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 7639 Spiked Sample ID 0307006-008A <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)E ND 60 101 986 225 100 996 0 489 70 130 <br />' MTBE ND t0 t00 101 107 101 992 183 70 130 <br /> Benzene ND 10 103 101 124 106 102 3 50 70 130 <br /> Toluene ND 10 104 103 0 469 107 103 339 70 130 <br />' Ethylbenzene ND 10 105 104 0 994 108 105 306 70 130 <br /> Xylenes ND 30 107 107 0 110 107 308 70 130 <br />' 0/aSS 104 100 103 103 0 107 103 369 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NOME <br /> r <br /> i <br /> MS=Matnx Spike MSD=Matnx Spske 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—MSO)/(MS+MSD)'2 <br /> MS and I or MSD spike recoveries may not be near 100%or the RPOs 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 /> I N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sad matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />