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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 />' Website www rnccampbell corn E-mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0412541 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 14508 Spiked Sample ID N/A <br /> Analyte Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L %Rec %Rec %RPD % Rec %Rec %RPD MS 1 MSD LCS 1 LCSD <br /> TPH(d) N/A 7500 N/A NIA N/A 998 101 128 NIA 70-130 <br /> %SS N/A 2500 NIA NIA NIA 105 106 101 NIA 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 /> 1 <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)/((MS+MSD)/2) <br />' *MS 1 MSD spike recoveries and/or%RPD may tall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matrix interferes with the spike recovery <br /> N/A=not enough sample to perform matrix spike and matnx 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 /> DHS Certification No 1644 A/QC Officer <br />