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I 10 2nd Avenue South MD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 9225-798 1620 Fax 925-799-1622 <br />' i hap Ilwww mccampbell cam E-mai] com <br /> • <br />' QC SUMMARY REPORT FOR SW8021B/8015Cm <br />' Matrix W WorkOrder 0212016 <br /> EPA Method SW8021BIB015Cm Extraction SW5030B BatchlD 5119 Spiked Sample ID 0212019-001A <br /> Sample Spiked MS` MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Compound <br /> pg/L pg/L %Rec %Rec % RPD %Rec % Rec %RPD Low High <br /> TPH(gas) ND 60 102 101 0 572 105 107 2 13 80 1 120 <br />' M rBE ND 10 909 93 221 886 918 362 80 120 <br /> Benzene ND 10 94 965 266 100 104 3 45 80 120 <br />' Toluene ND 10 100 101 0 916 94 995 5 72 80 —120 <br /> Ethylbenzene ND 10 104 105 0 597 983 100 1 88 80 120 <br />' Xylenes ND 30 103 104 328 933 967 351 80 120_ <br /> %SS 105 106 100 998 0 715 983 106 759 80 120 <br />' All target compounds to the Method Blank of this extraction batch were ND less than the method AL with the following exceptions <br /> NONE <br /> 1 <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 /> I <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 matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100'(MS Sample)/(Amount Spiked),RPD=100'(MS–MSD)/(MS+MSD)'2 <br /> MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%n 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 /> I <br />