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110 2nd Avenue South ilD7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Aj Website www n=ampbell com E-mail marn�}amccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0403245 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 10765 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pglL pglL %RBC %ReC %RPD %Ree %Rec %RPD Low High <br /> TPH(d) NIA 7500 NIA NIA NIA 114 109 491 70 130 <br /> %SS NIA 2500 NIA NIA NIA 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 /> 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 QMS+MSD)/2) <br /> 'MS and I 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 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 sail matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> lanalyte content <br /> �' DHS Certification No 1644 �QA/QC Officer <br />