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n 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> • McCampbell Analytical Inc Telephone 925-79a 1620 Fax 925-798-1622 <br /> http/1wwwrnccampbellcom E-mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0207112 <br /> EPA Method SW80218/8015Cm Extraction SW5030B BatchlD 2861 Spiked Sample ID 0207111-003A <br /> Sample Spiked MS* MSD* MS-MSD' LCS LCSD !LCS-LCSDIAcceptance Criteria(%) <br /> Compound _ _ _ _— s t _ _ <br /> pg/L pg/L % Rec %Rec %RPD i % Rec %Rec %RPD i Low High <br /> TPH(gas) ND 60 898 886 1 33 876 91 9 477 80 120 <br /> M rBE ND 10 836 844 101 866 872 0 745 80 120 <br /> Benzene ND 10 845 864 229 872 83 3 4 61 80 120 <br /> Toluene _ ND 10 88 7 906 2 19 91 8 869 546 80 120 <br /> ' Ethylhenzene- ND 10 913 93 2 202 93 1 899 3 53 80 120 <br /> Xylenes ND 30 93 7 943 0 709 943 94 0 354 80 120 <br /> %SS 100 100 991 996 0 497 100 964 3 97 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 /> i <br /> I <br /> I <br /> I <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 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 nign matrix or <br /> ' analyte content <br /> %Recovery=100*(MS Sample)/(Amount Spiked) RPD=100*(MS-MSD)I(MS+MSD)*2 <br /> *MS and 1 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 specific sample matrix interferes with spike recovery <br /> I <br />