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110 2nd Avenue South 4137 Pacheco,CA 94553 5560 <br /> MCCampbell Analytical Inc - Telephone 925-798 1620 Fax 925-798 1622 — <br /> http 11www mccampbell com E-mail mai aanccamrhell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0212154 <br /> EPA Method SW8021 BI8015Cm Extraction SW5030B BatchiD 5237 Spiked Sample ID 0212147-010A <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 60 103 104 1 66 114 111 238 80 120 <br /> MTBE ND 10 925 891 379 95 7 95 5 0 188 80 120 <br /> BenzeneND 10 103 101 289 111 998 106 80 120 <br /> Toluene ND 10 t09 107 202 114 103 101 80 120 <br /> ' lithylbenzene ND 10 110 108 121 111 102 171 80 120 <br /> Xylenes ND 30 110 110 0 113 110 299 80 _ 120 <br /> ' %SS 98 4 100 t 0] 101 0 591 98 878 110 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 /> 1 <br /> 1 <br /> 1 <br /> ' MS=Matrix Spike MSD=Matnx Spike Duplicate,ICS=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 high matrix or <br /> ' analyte content <br /> %Recovery=100*(MS-Sample)I(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 o%if a)the sample is inhomogenous AND contains significant concentrations of <br /> ' analyte relative to the amountspiked or b)if that specific sample matrix interferes with spike recovery <br />