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1102nd Avenue South,#177,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. "telephone 925 798-1620 Fax 925 798-1622 <br /> Website www mccanipbell corn E-mail main@mecampbell cam <br /> • QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0406291 <br />' EPA Method SW8015C Extracbon SW3510C BatchlD 11991 Spiked Sample ID N/A <br /> Sample Spiked MS- { MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) NIA 7500 NIA N/A N/A 106 107 0 468 70 130 <br /> %SS NIA 2500 NIA N/A NIA 1 104 104 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 /> I <br />' MS=Matrix Spike MSD=Mairix 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+MSO)12) <br />' *MS and/or MSD spike recoveries may not be near 100%or the RRDs near-0%if 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 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 /> DHS Certification No 1644 QA/QC Officer <br />