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110 2nd Avenue South VD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-2622 <br /> L4' Website www mecan hbell com E-mad main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> 1 <br /> Matrix W WorkOrder 0406066 <br />' EPA Method SW8015C Extraction 5W3510C Batchl❑ 11833 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) N/A 7500 N/A N/A N/A 109 108 0 413 70 130 <br />' %SS N/A 2500 N/A N/A NIA 117 116 0 491 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 /> 1 • <br /> r <br /> i <br /> i <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)/(Amount Spiked) RPD=100'(MS- MSD)/((MS t MSD)12) <br /> I °MS and/or MSD spike recoveries may net be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> anaty(e relative to the amount sprked,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 /> I NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> lanalyte content <br /> DHS Certification No 1644 QA/QC Officer <br /> I <br />