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s 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> http 11www mccampbell cam E-mail main@anircampbell corn <br /> QC SUMMARY MMAR REPORT FOR SW8021B/8015Cm <br />' Matrix A WorkOrder 0207236 <br />' EPA Method SW8021 BI8015Cm Extraction SW5030B BatchlD 3023 Spiked Sample ID 0207246-001A <br /> Sample Spiked MS* MSD"" MS-MSD" LCS LCSD f LCS-LCSDAcceptance Criteria(%) <br /> Compound <br /> Ng1L pg/L %Rec %Rec %RPD %Rec % Rec I %RPD Low High <br />' TpH(gas) ND 60 904 91 1 0 803 997 107 679 80 120 <br /> MTBE ND 10 81 1 842 376 907 939 349 80 l20 <br /> tBenzene ND 10 848 986 433 103 109 526 — 80 120 <br /> Toluene ND 10 904 943 425 106 112 586 80 120 <br />' Ethylbenzene ND 10 933 96 8 3 65 105 112—� 649 80� 120 <br /> Xylenes ND 30 943 95 3 105 107 113 606 80 120 <br />' %SS 101 100 964 98 1 1 83 104 105 0 908 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample ouphcate,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 matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> ' %Recovery=100*(MS-Sampie)1(Amount Spiked),RPD=100*(MS—MSD)1(MS+MSD)*2 <br /> *MS and 1 or MSD spike recoveries may not be near 1000k 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 speofic sample matrix mterferes with spike recovery <br /> 1 <br />