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610 2nd Avenue South #637 Pacheco CA 94553-5560 <br /> McCampbell Analytical fnc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbetl corn E-mail mammccarnpbell cum <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0306602 <br /> EPA Method SW8021BIB015Cm Extraction SW50306 BatchiD 7571 Spiked Sample ID 0306602-003A <br /> Sample Spiked MS" MSD' MS-MSD' LCS LCSD !LCS-LCSD Acceptance Cntena(%} <br /> pg/L pg/L % Rec %Rec %RPD %Rec % Rec % RPD Low High <br /> TPH(btex)E ND 60 111 109 234 104 104 0 70 130 <br /> MTBE ND 10 114 113 101 89 896 0 607 70 130 <br /> Benzene ND to 104 104 0 952 945 0 778 70 130 <br /> Toluene ND 10 100 993 124 942 935 0 843 70 130 <br /> Ethylbenzerte ND 10 307 106 1 08 945 933 1 27 70 130 <br /> Xylenes ND 30 100 100 0 987 95 379 70 130 <br /> %SS 104 100 100 99 3 1 19 86 862 0206 70 130 <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 /> %Recovery=100.(MS-Sample)!(Amount Spiked) RPD=100'(MS—MSD)!(MS+MSD)"2 <br /> "MS and 1 or MSD spike recovenes may not be near 100%or the RPDs near )%,I a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)it that specific sample matrix interferes with spike recovery <br /> £TPH(bl8x)=sum of BTEX areas from the FID <br />` #cluttered chromatogram sample peak coelutes with surrogatepeak <br /> I N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br />