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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> Mccampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http//www.mrczmpbellcom E-mail main@mccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matrix W WorkOrder 0310209 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 8921 Spiked Sample ID 0310193-004C <br /> Sample Spiked MS' MSD' MS-MSD LCS. LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' Ng/L pg/L %Rec %n Rec %RPD %Rec %Rec %RPD Low High <br /> ten-Amyl methyl ether(TAME) ND t0 921 947 277 105 108 157 70 130 <br /> ' t-Butyl alcohol(TBA) ND 50 104 109 440 117 114 0 173 70 130 <br /> Dusopropyl ether(DIPS) ND 10 101 104 261 109 116 130 70 130 <br /> ' Ethyl tert-butyl ether(ETRE) ND 10 933 961 293 106 110 119 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 105 l07 251 113 115 1 08 70 130 <br /> %SSI 109 100 104 104 0 101 100 338 70 130 <br /> ' All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the fallowing exceptions <br /> NONE <br /> 1 <br /> ' MS=Matra Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)`2 <br /> MS and I 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 matrix interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte coneentMtion in sample exceeds spike amount for soil matnx 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 chloride and acetone may occasionally appear in the method blank at low levels I I <br /> I I I <br /> I i <br /> I i <br /> I t <br /> I 1 r [ i I,i it I r i l <br /> i I l i I r l I I I ' I I i I I I I li <br />