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110 2nd Avenue South 907,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http Ilwww mecampbell coin E-mail main@mecampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> I <br /> Matrix W WorkOrder 0303189 <br />' EPA Method SW8021Bl8015Cm Extraction SW5030B BatchlD 6164 Spiked Sample ID 0303190-ODIA <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pglL NgIL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 95 928 238 109 995 892 80 120 <br />' MTBE ND LO 876 87 0 610 849 816 381 80 120 <br /> Benzene ND 10 110 Ill 0 483 962 959 0 23 5 80 120 <br /> Toluene ND 10 113 113 0 463 932 91 3 2 09 80 120 <br />' Ethylbenzene ND 10 111 112 0 557 101 98 295 80 120 <br /> Xylenes ND 30 113 113 0 967 93 3 351 80 120 <br />' %SS 112 I00 912 924 132 973 972 0202 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 /> 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 /> N/A=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 matrix or sample diluted due to high matrix or <br /> analyte content <br />' %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD)*2 <br /> *MS and I or MSD spike recovenes may not be near 100%or the RPDs 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 matron interferes with s ike recav <br /> I <br />