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110 2nd Avenue South #D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-793162'0 Fax '925798-1622 <br /> - - - - http 1lwww cnccampbeEl coca 8-mail main a(�jnccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0208411 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 3655 Spiked Sample ID 0208403-002A <br /> Compound Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria l <br />' pg/L 99/1- % Rec %Rec %RPD %u Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 101 114 129 104 110 561 80 120 <br />' MTBE ND 10 859 897 429 112 101 108 80 120 <br /> Benzene ND 10 101 106 5 44 105 958 888 80 120 <br />' Toluene ND 10 111 115 330 98 3 905 820 80 120 <br /> Ethylbenzene ND 10 109 114 4 62 105 993 6 09 80 120 <br /> Xylenes ND 30 110 110 0 96 7 933 3 51 80 120 <br />' %SS 988 100 106 110 3 03 143 941 911 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=Reiabve 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 sod 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)I(Amount Spiked) RPD=100'(MS-MSD)I(MS+MSD)*2 <br /> *MS and/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 orb if that specific sample matrix interferes with spike recovery <br />