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110 2nd Avenue South 9D7,Pacheco CA 94553 5560 <br /> Me 'ampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> http l/www mecampbell coin E mail main@mecampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0302196 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 5912 Spiked Sample ID 0302212-003A <br /> Sample Spiked MS* MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound — <br /> pg/L pg1L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 120 122 2 10 102 103 0 675 70 130 <br /> MTBE 5 147 10 763 737 208 105 98 8 646 70 130 <br />' Benzene ND Y10 108 111 2 15 945 948 0 279 70 130 <br /> Toluene ND 10 108 110 2 15 979 98 00940 70 130 <br />' Ethylbenzene ND 10 111 113 194 967 967 00545 70 130 <br /> Xylenes ND 30 110 117 588 100 100 0 70 130 <br />' %SS 109 100 105 106 0 778 852 862 1 09 80 120 <br /> All target compounds in the Method Blank of this extrai~tion batch were ND less than the method RL with the following exceptions <br />' NONE <br /> r <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> W <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> W=anatyte 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 /> W, analyte content <br />' %Recovery=100*(MS-Sample)I(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 />