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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 I/www mccampbell coni E marl maingmccampbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0207111 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 2861 Spiked Sample ID 0207111-003A <br /> Compound Sample Spiked MS- MSD' MS-MSD- LCS LCSD I LCS-LCSD Acceptance Criteria(%) <br /> ' pg/L Ng/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> r <br /> TPH(gas) ND 60 898 886 t 33 876 919 477 80 120 <br /> MTBE ND 10 83 6 844 101 866 872 0 745 80 120 <br /> Benzene ND 10 84 5 864 229 872 83 3 I 4 61 80 120 <br /> Toluene ND 10 887 90 6 2 19 919 869 5 46 80 120 <br /> Ethylbenzene ND 10 913 93 2 202 93 I 89 9 3 53 80 120 <br /> Xylenes ND 30 93 7 943 0 709 94 3 94 0 354 80 120 <br /> %SS too l00 99 1 996 0 497 too 96 4 3 97 i 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 /> Er <br /> �l <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duphcate 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 sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br /> `MS and/or MSD spike recavenes 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 specrfic sample matrix interferes with spike recovery <br />