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1102nd Avenue South #D7 Pacheco CA 94551 560 <br /> Mccampbell Analytical Inc Telephone 925-798-1624 Fax 925 798-1622 <br /> ' httpJ/www mecampbell coin E-mail inain@inecampbell coot <br /> QC SUMMARY REPORT FOR SW8021B/801SCm <br /> Matrix W WorkOrder 0212252 <br /> ' EPA Method SW8021B/8015Cm Extraction SW6030B BatchlD 5322 Spiked Sample ID 0242252-002A <br /> Sample Spiked MS" MSD* MS-MSD` LCS I LCSD ICS-LCSD Acceptance Crdena(%) <br /> Compound _.. — <br /> ' pg/L pg/L I %Rec %Rec %RPD % Ree %Rec °k RPD Low High <br /> TPH(gas) ND 60 101 999 0 994 ! 934 95.3 I 204 80 120 <br /> r <br /> ' MTBE ND 10 932 874 634 892 - 944 566 I 80 120 <br /> Benzene ND 10 947 932 1 59 93 7 996 6 14 80 i 120 <br /> Toluene ND 10 102 100 l 49 957 101 5 78 80 120 <br /> Ethylbenzene ND l0 — 102 101 l 09 ' 92 956 3 85 i 80 120 <br /> Xylenes ND 30 103 i 100 328 947 99 448 80 120 <br /> ' %S5 103 100 99 7 ! 100 0 712 92 8 96 3 373 1 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 /> I ' NONE <br /> t <br /> I <br /> I <br /> 1 <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 matnx spike and matnx 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 /> I <br /> %Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS-MSD)!(MS+MSD)'2 <br /> MS and!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 recovery <br /> I i r i i I i <br /> r <br />