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■ 1102nd Avenue South 4137 Pacheco CA 94553-5560 <br /> LA�cCam: bell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> http//www mccampbell cam E-mail mam@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0212213 <br />' EPA Method SW8021B18015Crn Extraction SW5030B BatchlD 5283 Spiked Sample ID 0212212-002A <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 60 107 101 5 26 99 1 958 336 80 120 <br /> MTBE 1649 10 988 103 1 73 974 106 923 80 120 <br /> Benzene ND 10 103 105 2 14 96 4 106 954 80 120 <br /> Toluene ND 10 94 96 2 13 982 107 877 80 120 <br /> IEthylbenzene ND 10 976 982 0 578 96 101 535 80 120 <br /> Xylenes ND 30 933 927 0 717 99 3 103 395 80 120 <br /> %SS 998 100 978 103 476 92 6 988 6 45 1. 80 --120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> MS=Matrix 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 malnx 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 of <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%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked of b)if that specific sample matrix interferes with spike recovery <br />