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110 2nd Avenue South MD7 Pacheco CA 94553 5560 <br /> F4 <br /> McCamryell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> http 1/www mccampbell coin E mail mainQmccampbeli coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0208457 <br /> EPA Method SW8021Bl8015Cm Extraction SW5030B BatchlD 3689 Spiked Sample ED 0208451-005A <br /> Sample Spiked MS` MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound --�_ <br /> NgIL pgIL %Ree %Ree %RPD %Ree % Rec %RPD Low i High - <br /> 1 <br /> TPH(gas) NIA � 60 N/A N/A NIA �--1-07 107 0 557 ' 80 120 <br /> MTBE— _ F NO 10 112 109 —305�; � � - A— �— - _-� — <br /> 101 101 0 436 120 80 <br /> Benzene NO 10 95 5 t 943 1 23 102 98 4 13 - —80 120 <br /> Toluene NO 10 97 94 7 246 997 933 6 G4 J 80120 <br /> Ethylbenzenc NO 10 101 992 161 102 100 197 80 120 <br /> Xylenes NO 30 93 3 933 0 933 933 0 1 80 120 <br /> %SS —- -- 102 i loo 983 984 0 161 989 973 l 64 I 80 120 <br /> a <br /> All target compounds in the Method Blank of this extraction batch were NO less than the method RL with the following exceptions <br /> ' NONE <br /> I <br /> 1 <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 /> WA=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 matnx or <br /> analyte content <br /> %Recovery=100'(MS-Sample)!(Amount Spiked) RPD=100'(MS-MSD)I(MS+MSD)'2 <br /> "MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is mhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matron interferes with spike recover, <br /> i <br />