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I 10 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br />' http/lwtnv mecampbell com 1=�ma31 mamQmccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm _ <br /> Matrix W WorkOrder 0309318 <br />' EPA Method SW8021BIS015CM Extraction SW5030B BatehlD 8576 Spiked Sample ID 0309310-002A <br /> Sample Spiked MS- MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' NgIL pg/L % Rec %Rec % RPD %Rec %Rec %RPD Low i High <br /> TPH(btex)£ ND 60 107 115 739 103 105 201 70 130 <br />' MTBE ND 10 105 103 228 937 935 0 176 70 130 <br /> Benzene ND 10 104 102 254 105 107 190 70 130 <br /> Toluene ND 10 981 952 299 962 98 9 281 70 130 <br /> Ethylbenzene ND 10 105 100 446 104 107 273 70 130 <br /> Xylenes ND 30 957 913 4 63 95 3 96 0 697 70 130 <br /> %SS 981 100 102 101 0 462 101 104 235 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 /> 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)I(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 /> • £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 matnx 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 matnx or <br />' analyte content <br />