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110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc. Telephone 925-798-1620 Fax 92S-798-1622 <br /> Website www mecampbell corn l-mail main@rnccamphell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0406242 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 11951 Spiked Sample ID NIA <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(d) NIA 7500 NIA NIA NIA 110 109 165 70 130 <br /> %SS N/A 2500 N/A NIA N/A 108 106 1 70 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 /> 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%it 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 /> NIA=not enough sample to perform matnx spike and matnx 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 matnx or <br /> analyte content <br /> DHS Certification No 1644 QA/QC Officer <br />