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110 2nd Avenue South 91)7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> - http lhvww mecampheil com E-mail mam©utccampbell com , <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0210564 <br /> EPA Method SW8021 B/8015Cm -Extraction SW5030B BatchlD 4700 Spiked Sample ID 0210564-001A <br /> Compound <br /> Sample Spiked AAS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> _ <br /> Ng/L Ng/L % Rec %Rec %RPD %Rec %Ree %RPD Low High <br /> TPH(gas) ND 60 109 106 273 106 110 350 80 120 <br /> MTBE ND 10 95 106 108 966 898 730 80 120 <br /> Benzene ND 10 945 99 466 103 98 4 4 16 80 120 <br /> Toluene ND 10 967 93 6 325 102 100 1 46 80 120 <br /> Ethylbenzene ND 10 982 98 2 000876 104 101 339 80 120 <br /> Xylenes ND 30 933 933 0 103 100 328 80 120 <br /> %SS 998 100 101 94 8 612 106 101 396 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RI.with the following exceptions <br /> NONE <br /> • <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 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 /> %Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS--MSD)/(MS+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 /> i' <br />