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110 2nd Avenue South ND7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> hup 11www mccampbell cam E-mail main@mccampbell eom <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0208412 <br /> ' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 3655 Spiked Sample lD 0208403-002A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Critena(%) <br /> Compound <br /> t NgIL NgIL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 101 114 129 104 110 561 80 120 <br /> MTBE ND 10 859 $97 429 112 101 108 80 120 <br /> ' Benzene ND 10 101 106 544 105 958 889 80 120 <br /> Toluene ND 10 111 115 330 983 905 820 80 120 <br /> Ethylbenzene ND 10 109 114 462 105 993 609 80 120 <br /> Xylenes ND 30 110 110 0 967 933 351 80 120 <br /> ' %gg <br /> 988 100 106 110 303 103 941 911 80 120 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> ' NONE <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform main,,spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> ' %Recovery=100*(MS Sample)I(Amount Spiked),RPD=100"(MS—MSD)/(MS+MSD)"2 <br /> MS and I or MSD spike recovenes 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 s eeific sample matnx interferes with spike recovery <br />