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1 <br /> MGCampbell Analytical Inc 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> Telephone 925-798-1620 Fax <br /> 925-798 1622 <br /> 1 hitpllwww mceampbell com E-mail mainQmccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/80I5Cm <br /> Matrix W WorkOrder 0208188 <br /> ' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 3418 Spiked Sample ID 0208181-004A <br /> Sample Spiked MS* MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ' pg/L 11g/L %Rec %Rec %RPD %Rec %Rec i % RPD i Low I High <br /> TPH(gas) ND 60 971 973 0 171 987 967 1 97 80 120 <br /> ' MTBE ND 10 81 8 849 370 827 868 487 80 120 <br /> Benzene ND 10 913 958 478 897 93 3 62 80 120 <br /> Toluene ND 10 98 2 101 2 74 973 101 367 80 120 <br /> ' Ethylbenzene ND 10 102 103 1 16 999 103 3 12 80 120 <br /> Xylenes ND 30 103 103 0 100 103 3 28 80 120 <br /> ' %SS 95 9 100 97 9 982 0 304 97 978 0 777 80 120 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <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 perforin 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 /> %Recovery=100*(MS-Sample)!(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 inhomogenous AND contains significant concentrations of <br /> ' anal to relative to the amount spiked or b)if that specific sample matrix interferes with s ike recovery <br />