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110 2nd Avenue Swab,#1)7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-738 1620 Fax 925-798-1622 <br /> Website www mccampbell cam E-mail main®mcrart3pbo1l cam <br /> QC SUMMARY REPORT FOR SW801SC <br /> Matnx W WorkOrder 0404203 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 11094 Spiked Sample ID NIA <br /> Sample Spiked Ms. -L MS-MSO' ZCS -LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L Ng/L %Rec % Rec %RPD %Rec %Rec % RPD Law High <br /> TPH(d) N/A i 7500 NIA N/A N/A 921 929 0 789 70 130 <br /> %SS NIA 2500 NIA NIA N/A 987 99 5 0 819 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=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> %Recovery=100.(MS-Sample)/(Amount Spiked) RPD=100"(MS- MSD)/((MS+MSD)/2) <br /> MS and/or MSD spike reLovenes may not be near 100%or the RPDs near 4%if a)the sample is inhamogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount far soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Cerhiication No 1644 ��" QA/QC Officer <br />