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110 2nd Avenue South 11D7 Pacheco CA 94553-5560 <br /> MCCampbell Analybcal Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http!#www mccampbell corn 13-ma3l mam@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W Workorder 0212020 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5119 Spiked Sample ID 0212019-001A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Catena(%) <br /> Compound <br /> pg/L pg/L I %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 102 101 0 572 105 107 213 80 120 <br /> MTBE ND to 909 93 221 886 91 8 362 80 120 <br /> Benzene ND 10 94 965 266 100 104 3 45 80 120 <br /> Toluene ND 10 100 lot 0 916 94 995 572 80 120 <br /> Ethylbenzene ND 10 104 t45 0 597 98 3 100 198 80 120 <br /> Xylenes ND 30 103 t00 328 933 967 3 51 80 120 <br /> %SS 105 100 100 998 0 715 983 106 759 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 /> lie <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> I Deviation <br /> NIA=not enough sample to perform matrix spike and mainx 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)/(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)'2 <br /> 'MS and 1 or MSD spike recoveries 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 orb if that specific sample matrix interferes with spike recd <br />