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I <br /> 110 2nd Avenue South,kD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' hap/lwww mccampbell com E-mail main r@mccampbeli com <br /> l� QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303416 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 6301 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 110 109 158 80 120 <br /> MTBE NIA 10 N/A N/A N/A 106 101 448 80 120 <br /> Benzene NIA to N/A N/A N/A 109 109 0 339 80 120 <br />' Toluene N/A 10 N/A N/A N/A 101 101 0 844 80 120 <br /> Ethylbenzene NIA I0 N/A N/A NIA 111 111 0186 80 120 <br /> Xylenes N/A 30 N/A NIA N/A 107 107 0 80 120 <br /> %SS N/A 100 NIA N/A I N/A 98 8 976 122 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 /> I <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 matnx 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 matrix or <br /> analyte content. <br /> %Recovery=100*(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)/(MS+MSD)'2 <br /> 'MS and 1 or NASD 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 amounts eked or b)d that s crfic sample matrix interferes with spike recovery <br />