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1102nd <br /> Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798 1620 Fax 925-798 1622 <br /> http//www mccampbell cam E-mail mam@mccampbeli com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0207111 <br /> ' EPA Method SW8021 B/80115Cm Extraction SW5030B BatchlD 2855 Spiked Sample ID 0207103-0038 <br /> Sample Spiked MS- MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> 1 Compound <br /> }tg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 91 9 941 236 106 __!L6_j 602 80 120 <br /> ' MTBE ND 10 91 103 126 952 104 897 80 120 <br /> Benzene ND 10 86 9 895 2 94 102 109 6 91 80 120 <br /> ' Toluene ND 10 92 948 302 110 114 3 88 80 120__—, <br /> Ethylbenzene ND 10 94 8 968 203 107 110 261 80 120 <br /> Xylenes ND 30 95 99 412 110 110 0 80 120 <br /> ' %SS 100 100 97 1 989 1 84 104 107 269 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 /> 3) <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=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=700'(MS—MSD)!(MS+MSD)'2 <br /> MS and 1 or MSD spike recovenes 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 />