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I 10 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798-1622 <br /> http 11www mccatMbell com E-mail maniAniccampbell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0307492 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 8001 Spiked Sample ID 0307491-002A <br /> Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pgIL 11g/L %Rec %Rec %RPD %Rec %Rec % RPD Low Hlgh <br /> TPH(btex)£ ND 60 93 4 937 0 319 107 111 387 70 130 <br /> MTBE ND l0 116 106 942 102 107 424 70 130 <br /> .Benzene ND 10 99 4 90 9 894 947 983 372 70 130 <br /> Toluene ND 10 101 92 5 9 17 878 929 5 56 70 130 <br /> Ethylbenzene ND EO 104 94 7 895 952 986 348 70 E30 <br /> Xylenes ND 30 107 95 7 109 90 907 0 738 70 130 <br /> %SS 102 104 999 99 6 4 283 995 101 1 44 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 /> NONE <br /> MS=Matnx Spike MSD=Matnx 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 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 or b)if that specific sample matrix interferes wth spike recovery <br /> E TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes wrth surrogate peak <br /> NIA=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sad mainx or exceeds Dc spike amount far water matrix or sample diEutad due to high matrix or <br /> anal a content <br />