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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 /> htip/Iwww mccampbell corn E-mail mai rctnecampbell com — <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm - <br /> Matrix W WorkOrder 0309280 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 8545 Spiked Sample 1D 0309280-004A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L 11g/L % Rec %Ree % RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 114 111 2 83 93 2 947 154 70 130 <br />' MTBE ND 10 118 117 0 951 881 899 202 70 130 <br /> Benzene 2 247 10 103 100 257 98 995 147 70 130 <br /> Toluene ND 10 955 928 286 976 996 207 70 130 <br /> iEthylbenzene ND 10 103 997 3 16 100 101 1 02 70 130 <br /> Xylenes ND 30 947 903 468 100 103 3 28 70 130 <br /> %SS 108 100 105 110 473 104 103 0 394 70 130 <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 />�i <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 MS=Matrix Spike,MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS Sample)!(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> MS and 1 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 wrth spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> N R=analyte concentration to sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> Ianal to content <br />