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110 2nd Avenue South ND7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http/lvvww mccamphell cam E malt main(rr�nccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0306601 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B Batch[D 7561 Spiked Sample ID 0306595-001A <br /> Sample Spiked M5' MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L % Rec %Rec %RPD % Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 100 108 779 108 111 290 70 I 130 <br />' MTBE 1253 10 NR NR NR 954 985 3 12 70 130 <br /> Benzene ND 10 113 112 0 677 84 85 6 197 70 130 <br />' Tolucnc ND 10 103 103 0 867 889 247 70 130 <br /> Ethylbenzene ND 10 109 109 0 104 108 3 12 70 I 130 <br /> Xylenes ND 30 100 100 0 100 100 0 70 130 <br />' %SS 104 100 105 104 0 995 949 932 1 85 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 /> li <br /> I <br /> I <br /> I <br /> I <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relatrve Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=140'(MS—MSD)/(MS+MSD)•2 <br /> I '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 or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> I #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anatyte 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 /> Ianalyte content <br /> f <br />