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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-7981620 Fax 925-798 1622 <br /> Website www mccampbell corn E-mail main®mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0507231 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 17170 Spiked Sample ID 0507235-001B <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> (lglL i1gIL %Rec %Rec %RPD %Rec %Rec %RPD MS!MSD LCS 1 LCSD <br /> Benzene ND 10 110 112 120 109 112 2 84 70-130 130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 100 101 0 819 98 996 1 68 70-130 70- 130 <br /> Toluene 0 62 10 101 104 278 107 108 1 57 70-130 70- 130 <br /> %SSI 101 10 92 92 0 92 93 1 19 70-130 70-130 <br /> %SS2 92 10 99 100 0 761 100 99 0 474 70-130 70- 130 <br /> %SS3 93 10 112 114 1 60 114 115 0 223 70-130 70- 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> BATCH 17170 SUMMARY_ <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> Avl0507231-007B 7114105 1 54 PM 7/20105 7120105 12 45 AM 0507231-00813 7/14105 2 00 PM 7/t9105 7119/05 2 12 AM <br /> 507231-009B 7114/05 2 47 PM 7120105 7120105 l 29 AM 0507231-0 LOB 7114105 2 07 PM 7120105 7120105 2 13 AM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent Deviation <br /> %Recovery=100'(MS-Sample)l(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSp)1 2) <br /> MS I MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance critena due to one or more of the following reasons a)the sample is inhomogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <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 analyte content <br /> aboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />