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110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http Hwww mccampbell com E-mail mann nccampbell com <br /> I <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> i <br /> Matrix W WarkOrder 0302196 <br /> I EPA Method SW8021 BI8015Cm Extraction SW50308 BatchlD 5912 Spiked Sample ID 0302212-003A <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> NgIL NgIL % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 120 122 210 102 103 0 675 70 130 <br /> MTBE 5 147 10 763 737 208 105 988 646 70 130 <br /> Benzene NO 10 t08 111 2 15 945 94 8 0 279 70 130 <br /> 1 Toluene ND 10 108 110 2 15 979 98 00840 70 130 <br /> Ethylbenzene ND 10 111 113 1 94 96 7 967 00545 70 130 <br /> Xylenes ND 30 110 117 5 88 100 100 0 70 130 <br /> I %SS 109 100 105 106 0 778 85 286 2 1 09 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 /> I NONE <br /> I <br /> I <br /> I <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 matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I %Recovery=100"(MS Sample)I(Amount Spiked) RPD=100"(MS—MSD)I(MS+MSO)`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 /> anal to relative to the amount spiked orb If that specific sample ma"interferes with spike recovery <br />