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_f 10 2nd ASenue South #D7 Pacheco,CA 94553-5560 —T <br /> MInc Telephone 925 798-1620 Fax 925-798-1622 <br /> cCarnpbell Analytical, <br /> h llwww mccampbell com E mail inain@=carnpbc1I cam <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cin <br /> Matrix S WorkOrder 0401260 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 10068 Spiked Sample ID 0401263-002A <br /> Sample Spiked MS* MSD* MS-MSDLCS LCSDLCS-LCSD Acceptance Criteria{%} <br /> - - - -mg/Kg mg/Kg '% Rec %Rec- %RPD % Rec % Rec %RPD Low " - High <br /> TPH(btex)E 0 13 060 932 825 0 678 932 117 225 70 130 <br /> MTBE ND 0 l0 87 8 893 1 69 93 7 944 0 694 70 130 <br /> Benzene ND 010 98 101 254 106 101 420 70 130 <br /> Toluene ND 0 10 869 886 195 937 925 1 26 70 130 <br /> Ethy€benzene ND 0 10 105 107 222 113 109 3 48 70 130 <br /> i Xylenes ND 030 100 997 0 334 100 100 0 701130 <br /> 130 - <br /> %SS 998 0 10 108 111 274 116 112 3 51 70 <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 /> 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/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 STEX areas from the FID <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <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 /> DHS Certification No 1644 >✓ <br /> _.� � QA/QC Officer <br />