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' 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798 1622 <br /> htip llw mccampbell com E mail main numccarnphell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0210322 <br /> EPA Method SW80211318015Cm Extraction SW5030B BatchlD 4506 Spiked Sample ID 0210322-004A <br /> Sample Spiked MS* MSD* MS-MSD- LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec % RPD Low I High <br /> TPH(gas) ND 60 96 935 263 114 104 908 80 120 <br /> MTBE ND 10 102 981 3 54 853 858 0 605 80 120 <br />' Benzene ND 10 963 935 2 91 93 3 893 436 80 120 <br /> Toluene ND 10 103 999 2 86 926 88 8 4 21 80 120 <br /> Ethylbenzene ND 10 104 102 236 — 992 90 8 8 83- 80 120 <br /> Xylenes ND 30 103 100 3 28 967 88 7 863 80 120 <br /> %SS 100 100 102 102 0 455 972 97 0 159 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 /> r <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 /> • <br /> NIA=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 matrix or <br /> analyte content <br /> %Recovery=100*(MS Sample)1(Amount Spiked) RPD=100'(MS—MSD)/(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 orb if that specific sample matrix interferes with spike recovery <br />