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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 /> h <br /> ' 1/www TriccanoMl com E mask ca hell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I , <br /> Matrix W WorkOrder 0306428 <br /> EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 7449 Spiked Sample ID 0306423-004A <br /> Sample Spiked MS* 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 60 975 946 3 27 109 109 0 70 130 <br /> ' <br /> MTBE ND 10 975 979 186 989 981 0 845 70 130 <br /> Benzene ND 10 943 926 2 63 993 98 8 0 562 70 130 <br /> Toluene ND 10 948 93 9 2 94 106 107 0 817 70 130 <br /> ' Ethylbenzene ND 10 978 96 2 60 1.02 101 1 48 70 130 <br /> Xylenes ND 30 100 997 0 334 107 107 0 70 130 <br /> ' %SS 101 100 98 8 999 0 569 97 6 988 1 23 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 /> 1 <br /> ' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> 9°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 BPDs near 0%it 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 i <br /> I 'I #cluttered chromatogram,sample peak ooelutes with surrogate peak <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 matnx or <br /> anala content <br /> I i <br />