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110 2nd Avenue Soa ,-kD7,Pacheco,CA 94553-5560 <br /> f McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> 3 http://www.mccampbellxom E-mail:main ccamphell.com <br /> QC SUMMARY REPORT FOR SW$260B <br />� Matrix: S i <br /> r WorkOrder. 0308170 <br /> .EPA Method: SW8260B Extraction: SW5030B BatchlD:8128; Spiked Sample ID: 0308109-001A <br />! Sample Spiked MS" MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> I Ng/Kg pg/Kg %Rec. %Rec. %RPD %Rec. W Rec. %RPD LOW High <br /> Benzene ND 50 109 I10 0.534 107 107 0 70 130 <br /> Chlorobenzene ND 50 112 114 1.59 110 412 1.74 70 130 <br /> ill l,l-Dichloroethene ND 50 76.1 75.9 0.246 73.5 73.4 0.237 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 50 99.9 102 2.10 103 102 1.73 70 130 <br /> F Toluene ND 50 127 130 2.40 113 '113 0 70 130 <br /> t Trichloroethene ND 50 92.5 91.6 0-984 81.7 88.1 0.449 70 130 <br /> 0/aSSI: 110 100 93.2 91.3 2.03 " 98.3 97.1 1.27 70 130 <br /> %SS2: 99.0 100 102 104 1.99 101 100 0.514 70 130 <br /> m <br /> %SS3: 97.6 t00 107 105 2.28 99.1 98.7 0.399 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br /> f NONE <br /> i <br /> i' <br /> F <br /> I i <br /> i <br /> i� <br /> # MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory ControllSample Duplicate;RPD=Relative Percent <br /> !:. Deviation. " <br /> %Recovery=100'(MS-Sample)1(Amount Spiked);RPD=100'(MS—MSD)1(MS+MSD)•2. li3 <br /> "MS and 1 or MSD spike recoveries may not be near 100%or the BPDs 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 matrix interferes with spike recovery. ;i <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. i <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 /> [Lmbo(atory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels. <br /> l' <br /> J' <br />