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I110 2nd Avenue South 4D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798-1622 <br />' WEbaite www mecarttpbell com E mail matn@mccampbeil cpm <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm1 <br /> W O Sample Matrix Air QC Matrix Water WorkOrder 0411075 <br />' EPA Method SW8021818015Cm Extraction SW5030B BatchlD 13824 Spiked Sample 10 0411055-006A <br /> Sample Spiked MS- MS0- MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> NgIL pg/L %Rec %Rec %RPD % Rec % Rec % RPD Low High <br /> TPH(btex)a ND 60 88 1 863 2 18 979 973 0 581 70 130 <br /> MTBE ND 10 882 882 0 982 97 1 18 70 130 <br />' Benzene ND 10 87 2 894 2 52 108 105 303 _ 70 130 <br /> Toluene ND 10 868 899 342 102 99 3 29 70 130 <br />' Hthylbenzene ND 10 899 922 257 105 102 2 92 70 130 <br /> Xylenes ND 30 90 3 943 433 91 7 907 1 10 70 I 130 <br />' %SS 103 10 967 97 127 112 110 _ 1 19 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RI.with the following exceptions <br />' <br /> NONE <br /> I <br /> i <br /> 1 <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=too'(MS-Sample)/(Amount Spiked) RPD=100"(MS- MSD)1((MS+MSD)12) <br /> "MS/MSD spike recoveries and!or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matrix interferes unth the spike recovery <br /> £TPH(btex)=sum of 9TEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <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 /> DHS Certification No 1644 QA/QC Officer <br />