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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798-1622 <br />' h //www incearripbell com E mail roam mccampbcll com _ <br /> • QC SUMMARY REPORT FOR SW8015C <br /> 1 <br /> Matrix W WorkOrder 0305446 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 7094 Spiked Sample ID N/A <br /> Compound Sample Spiked MS* MSD* MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' <br /> pg/L pg/L %Rec % Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(d) N/A 7500 N/A N/A N/A 997 996 0 115 70 130 <br />' %S5 N/A 100 N/A N/A N/A 101 101 0 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 2 Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MSSample)1(Amount Spiked) RPD=100*(MS—MSD)/(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 specaflc sample matrix interferes with spike recovery <br /> N/A=not enough sample to perform matrix spike and matrix spice duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> lanalyte content <br />