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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 /> 1 http 11www mccampbell com E-mad mamQmccatnpbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0304328 <br />' EPA Method SW8021SIB015Cm Extraction SW5030B BatchlD 6640 Spiked Sample ID 0304323-004A <br /> Sample Spiked MS- MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> I Compound <br /> lig/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 106 104 165 108 108 0 80 120 <br />' MTBE 7 901 10 834 902 410 986 948 390 80 120 <br /> Benzene ND 10 101 105 385 994 995 0 128 80 120 <br />' Toluene ND to 935 965 3 17 928 923 0 614 80 120 <br /> Ethylbenzene ND 10 103 105 238 102 102 0 80 ; 120 <br /> Xylenes ND 30 967 100 339 96 7 967 0 80 120 <br />' %SS 102 100 t03 105 187 993 991 0 192 80 1 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> I <br /> MS=Matn x Sprite MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100`(MS-Sample)/(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%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 /> £TPH(btex)=sum of BTEX areas from the FID <br /> #Guttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />