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' 110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> MCCaTTlpbeli Anaiytical enc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E mail mam@mccampbell com <br /> 1 <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0305330 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 7003 Spiked Sample ID 0305330-001A <br /> Sample Spiked MS' MS17" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Benzene ND 10 109 104 425 109 109 0 70 i 130 <br /> Chlorobenzene ND 10 116 114 1 94 115 114 0 479 70 i 130 <br />' 1,1-Dechloroethene ND i0 112 t00 110 It3 109 3 73 70 130 <br /> Toluene ND t0 117 110 601 115 110 423 70 i 130 <br />' Trichloroethene ND t0 98 8 949 397 944 93 7 0 764 70 130 <br /> %SSI 107 100 I09 104 4 87 105 102 220 80 I 130 <br /> %SS2 105 100 106 101 4 53 104 995 432 80 — 130 <br /> %SS3 102 100 100 102 138 102 99 9 161 80 130 <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 /> i � <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LOS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)1(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 mhomogenous AND contains significant concentrations of <br /> • analyte relative to the amount spiked or b)if that specific sample matnx interferes with 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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> Laboratory extraction solvents such as methylene ehlonde and acetone may occasional!y appear in the method blank at low levels <br />