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1 <br /> 110 2nd Avenue South !#D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc TOephone 925 798-1620 Fax 925-798-1622 <br /> ' httpJ/www mccampbell cam E mail main@mctampball com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0212215 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5283 Spiked Sample 1D 0212212-002A <br /> Compound 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(gas) ND 60 107 101 526 99 1 95 8 336 80 120 <br /> ' MTBE 1649 to 988 103 1 73 974 106 823 80 120 <br /> Benzene ND 10 103 105 2 14 964 106 954 80 124 <br /> Toluene ND 10 94 96 2 13 982 107 877 80 120 <br /> ' Ethylbenzene ND 10 976 982 0 578 96 101 535 80 120 <br /> Xylenes ND 30 933 927 0 717 993 103 395 80 120 <br /> %SS 99 8 100 97 8 103 476 926 988 645 80 120 <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 /> . NIA=not enough sample to perform matnx spike and matnx 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 matnx or <br />' analyte content <br /> %Recovery=100'(MS-Sample)1(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 />