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110 2nd Avenue South 1lD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 92$798-1622 <br /> Up Pwww mccampbell cam E-mail main a mccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0209324 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 408$ Spiked Sample ID 0209321-001A <br /> Samplo Spiked MS* MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ' pg/L pg/L %Rec % Rec %RPD %Rec %Rec' %RPD Low High <br /> TPH(gas) ND 60 111 112 12.6 106 988 7 13 80 120 <br /> MTBE ND l0 108 987 898 110 115 442 80 120 <br /> Benzene ND 10 102 997 249 114 113 0 459 80 120 <br /> Toluene ND 10 993 951 432 116 115 1 11 80 120 <br /> ' Ethylbenzene ND 10 104 102 194 117 115 139 80 120 <br /> Xylenes ND 30 103 100 328 117 113 290 80 120 <br /> %SS 100 100 102 101 103 109 108 0851 80 120 <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 /> ' Deviation <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 /> analyte content <br /> ' %Recovery=100-(MS-Sample)1(Amount Spiked) RPD=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 /> ' lanlyte relative to the amount spiked or b)if that specific sample matrix Interferes with spike recovery <br />