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I <br /> ��� I10 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-79$-1620 Fax 925-798-1622 <br />' h Jlwww mcc bell com E-mail main mcca bell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I r <br /> Matrix W WorkOrder 0212093 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5193 Spiked Sample ID 0212093-001A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' Compound <br /> pg/L pg/L. % Rec % Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 988 113 137 982 102 4 13 80 120 <br />' MTBE ND t0 108 107 1 13 897 891 0 720 80 120 <br /> Benzene ND 10 103 982 521 91 6 922 0 726 80 120 <br />' Toluene ND l0 954 945 0 910 93 8 96 235 80 120 <br /> Ethylbcnzene ND 10 102 97 1 529 90 6 91 4 0 855 80 120 <br /> Xylenes ND 30 93 93 3 0 358 947 95 0 351 80 120 <br />' %SS 103 100 107 997 7 16 87 9 87 7 0 190 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 />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=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 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=900`(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 /> lanalYlLe relative to the amountspiked orb if that specific sample matrix interferes wth spike recovery <br />