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110 2nd Avenue South,kD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hnp 1/www mccamphell com E-mail masn@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> i <br /> Matrix W WorkOrder 0210319 <br /> EPA Method SW8021618015Cm Extraction SW5030B BatchlD 4503 Spiked Sample ID 0210319-001A <br /> Sample Spiked MS* MSD" MS-MSD* LCS LCSD LCS-LCSD Acceptance Crttena(°k} <br /> Compound <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 115 108 675 103 104 0 938 80 120 <br /> MTBE ND 10 102 98 392 865 956 101 80 120 <br /> Benzene ND to 95 9 901 627 90 98 l 8 52 80 120 <br /> Toluene ND to 902 86 1 4 63 87 94 1 792 80 120 <br /> Ethylbenzene ND 10 958 925 3 59 928 994 6 85 80 120 <br /> 1 Xylenes 079 30 87 867 0 372 933 967 351 80 120 <br /> %SS 108 100 974 92 6 509 959 lot 481 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the fallowing exceptions <br /> NONE <br /> i <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LC5=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <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 matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=t 0o*(MS-Sample)!(Amount Spiked) RPO=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 s ecxfic sample matrix interferes with spike recovery <br />