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110 grid Avenue. fill Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> littp:l/www.mccarnpbell.com E-mail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix: S ; WorkOrder: 0308096 <br /> EPA Method: SW8021 B/8015Cm Extraction: SW50308 Batch ID:8099 `:I Spiked Sample ID: 0308075-014A <br /> Sample Spiked MS" MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec- %RPD %Rec. %Rec. %RPD Low High <br /> TPIi(btex)£ ND 0.60 113 105 6.71 103 : 108 5.24 70 130 <br /> MTBE ND 0.10 112 105 6.17 1103 -; 110 6.57 70 130 <br /> Benzene ND 0.10 146 107 1.31. 1'06 �108 . 1.49 70 130 <br /> Toluene ND o.to 106 106 0 1'05 :1 107 2.07 70 130 <br /> Ethylbenzene ND O.10 108 110 1.65 109 6,111 1.89 70 130 <br />( Xylenes ND 0.30 110 1 to 0 1,10 '1110 0 70 130 <br /> %SS: 94.6 100 114 121 6.12 109 1122 10.8 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br /> t` NONE i <br /> it <br /> D <br /> ;r <br /> f <br /> ,b <br /> i <br /> i <br /> I v� <br /> ' I5 <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> 1 Deviation. xj <br /> %Recovery=100'(MS-Sample)1(Amount Spiked);RPD=140'(MS—MSD)I(MS+MSD)'2. <br /> `MS and 1 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 /> analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovel _o <br /> £TPH(btex)=sum of BTEX areas from the FID. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> i <br /> N/A=not enough sample to Perform matrix spike and matrix spike duplicate. i <br /> la <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. a�. <br />