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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-796-1622 <br /> ' http//www mccampbell com E-mail main gr mccampbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0207115 <br /> ' EPA Method SW8021S/8015Cm Extraction SW5030B BatchlD 2862 Spiked Sample ID 0207113-005A <br /> Compound Sample Spiked MS' MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' pg/L pgIL %Rec %Rec % RPD % Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 879 859 230 996 999 0 300 80 120 <br /> ' MTBE ND 10 90 89 t 13 922 984 657 80 120 <br /> Benzene ND 10 849 864 1 75 105 106 0 577 80 120 <br /> Toluene ND 10 898 91 7 211 111 112 1 05 80 120 <br /> Ethylbenzene ND 10 903 909 0 632 108 108 0 284 80 120 <br /> Xylenes ND 30 86 86 0 103 107 317 80 120 <br /> %SS 99 I 100 979 98 5 0 555 109 108 1 51 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> ' NONE <br /> ' MS=Matrix Spike MSD=Matrix Spike Duplicate ICS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=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 <br /> analyte content <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)!(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 /> ' analyte relative to the amount spiked or b)if that s eoifc sample matrix interferes with spike recovery <br />