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^' 110 2nd Avenue South 4W Pacheco CA 945$3-5560 <br /> [4 <br /> HcCajrnpbell Analyt>cal Inc - Telephone 925-798-1620 Fax 925-798-1622 - <br /> http//www mccampbell com E-mail mam©mccampbell com <br /> • QC SUMMARY REPORT FOR SW8021B18015Cm <br /> I <br /> Matrix W WorkOrder 0209081 <br />' EPA Method SW8021 Bl8015Cm Extraction SW5030B BatchlD 3849 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%} <br />' Compound <br /> pglL pg/L % Rec %Rec % RPD %Rea %Rec %RPD Low High <br /> TPH(gas) NIA 60 N/A N/A NIA 977 104 651 80 120 <br />' MTBE N/A 10 N/A N/A N/A 877 102 150 80 120 <br /> Benzene N/A 10 N/A N/A N/A 929 107 137 80 120 <br />' Toluene N/A 10 N/A NIA N/A 99 115 148 80 120 <br /> Ethylbenzene N/A 10 N/A NIA NIA 103 118 141 80 120 <br />' Xylenes NIA 30 NIA NIA N/A 103 120 149 80 120 <br /> %SS N/A 100 N/A N/A N/A 976 963 131 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 /> lie <br /> I <br /> MS=Matrix Spike MSD=Matnx 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 matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />' analyte content <br /> %Recovery=100'(MS-Sample)1(Amount Spiked) RPD=100"(MS-MSD)/(MS+MSD)'2 <br /> MS and/or MSD spike recoveries may not be near 100%or the BPDs near 0%If a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amountspiked orb if that specific sem le matrix Interferes with spike recovery <br />