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110 2nd Avenue South #D7,Pacheco CA 94553 5560 <br /> McCampbell Analytical IncTelephone 925-798-1620 Fax 925-798-1622 <br /> I <br />' http I/www mccampbell cam E-mail mamamccampbell coni <br /> `• QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix W WorkOrder 0309279 <br />' EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 8541 Spiked Sample ID 0309275-001A <br /> Sample Spiked MS' MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%} <br />' NgIL NgIL % Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TPH(btex)£ ND 60 104 103 0 555 925 93 0 531 70 130 <br /> I _ <br />' MTBE ND 10 972 101 4 10 91 1 927 1 68 79 130 <br /> Benzene ND 10 105 109 391 964 98 6 225 70 130 <br /> Toluene ND 10 96 99 3 345 964 985 220 70 130 <br />' Ethylbenzene ND 10 103 105 1 70 988 101 257 70 130 <br /> Xylenes ND 30 953 95 7 0 349 100 103 328 70 E 130 <br />' %SS 105 100 103 105 199 102 103 125 70 130 <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 /> MS=Matrix Spike MSD=Matrix 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)I(MS+MSD)'2 <br /> 'MS and 1 or MSD spike recovenes 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 /> £TPH(btex)=sum of BTEX areas from the FID <br /> I #cluttered chromatogram sample peak coelutes with surrogate peak <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 /> I <br />