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110 2nd Avenue South 9D7 Pacheco CA 94553 5560 <br /> ampbell Analytical Inc <br /> MCCTelephone 925-798 1620 Fax 925-798 1622 <br /> httpJtwww mccampbell com 1•in ail mai tQmccampbell com <br /> 1 <br /> QC SUMMARY REPORT FOR SW8021B/801SCm <br /> Matrix W WorkOrder 0303427 <br />' EPA Method SW8021 B18D15Cm Extraction SW5030B BatchlD 6313 Spiked Sample ID 0303426-009A <br /> Sample Spiked MS- MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Critena(%) <br /> Compound <br /> tNgIL Ng/L %Rea %Rea %RPD %Rea %ReC %RPD Low High <br /> TPH(gas) ND 60 113 114 113 115 113 191 80 120 <br /> MTBE ND 10 998 105 527 106 100 541 80 120 <br />' Benzene ND 10 102 105 2 57 104 103 0 881 80 120 <br /> Toluene ND 10 91 5 945 3 23 925 91 7 0 924 80 120 <br />' Fthylbenzene ND 10 102 105 2 96 104 103 1 15 80 120 <br /> Xylenes ND 30 933 93 3 0 967 933 351 80 120 <br />' %S8 101 100 100 100 0 109 962 967 0 544 80 120 <br /> FN <br /> l targetcompounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> 03�1E <br /> 10 <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation L <br /> 0 NIA=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 matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100*(MS-Sample)!(Amount Spiked),RPD=100*(MS—MSD)1(MS+MSD)*2 <br /> MS and I 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 />