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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Telephone 925-798-1620 Fax 925-798-1622 <br /> h"p!/www mccampbett coin E-mail main®mccampbell can <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0209316 <br /> EPA Method SW80218/8015Cm Extraction SW5030B BatchlD 4068 Spiked Sample ID 0209321-001A <br /> Sample Spiked MS` MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 1 t t 112 126 106 102 395 80 120 <br /> MTBE ND to 108 987 898 110 109 147 80 120 <br /> Benzene ND l0 302 997 249 114 — 907 227 80 120 <br /> Toluene ND to 993 95 1 432 _ 116 866 292 80 T 120 <br /> IEthylbenzene ND to 104 102 t 94 117 919 240 80 120 <br /> Xylenes ND 30 103 t00 328 117 89 269 80 120 <br /> %SS 100 100 102 t01 103 109 92 171 80 120 <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=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matnx 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 /> Recovery=100'(MS-Sample)!(Amount Spiked) RPD=100'(MS—MSD)!(MS+MSO)'2 <br /> 'MS and/or MSD spike recoveries may clot be near 100%of the RPW near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked orb)if that speafic sa le matrix interferes with spike recovery <br />