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110 2nd Avenue South,ND7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail mam@niccampbell cam <br />' QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0207222 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 2984 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> 1 Compound <br /> NgIL pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPM(gas) N/A 60 N/A NIA N/A 925 888 409 80 120 <br />' MTBE N/A 10 N/A N/A N/A 831 852 244 80 120 <br /> Benzene N/A 10 N/A NIA N/A 853 841 130 80 120 <br />' Toluene N/A 10 NIA NIA NIA 895 877 199 80 120 <br /> Ethylbenzene N/A 10 NIA NIA N/A 921 901 225 80 t20 <br /> Xylenes NIA 30 N/A NIA NIA 943 90 470 80 120 <br /> %SS NIA 100 NIA NIA N/A 97 1 968 0 332 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the 15011owing exceptions <br /> 1 NONE <br /> 1 <br /> i MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD W Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matnx 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=700'(MS--MSD)/(MS+MSD)'2 <br />' 'MS and I 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 /> analyte relative to the amount spiked or b if that specific sample matrix interferes with spike recovery <br />