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' 110 2nd Avenue South 1tD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-748-1620 Fax 925-798-1622 <br />' http l/wwvv mccampbell com E-mail mainQmecampbelt com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0209018 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B - BatchlD 3792 Spiked Sample ID 0209012-OOBA <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low Nigh <br /> !TPH(gas) ND 60 108 111 307 t09 117 634 80 120 <br /> BE ND 10 954 969 154 106 101 482 80 120 <br /> Benzene ND t0 984 981 0 358 989 975 140 80 120 <br /> Toluene ND 10 91 932 233 927 91 7 104 80 120 <br />' Ethylbenzene ND 10 995 991 0 403 100 100 00939 80 120 <br /> Xylenes ND 30 93 933 0 358 933 967 3 5 I 80 120 <br />' %SS 104 1 100 963 96 0 297 985 976 0 900 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 />' NONE <br /> 1 � <br /> 1 <br /> 1 <br /> 1 <br />' M5 W Matrix Spike,MSD=Matnx Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=anatyte 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)/(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 matrm interferes with spike recovery <br />