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McCampbell Analytical Inc 1 t0 2ndp venue South tID7 Pacheco CA 94553 5560 <br /> TeEe hone 925 798-162D Fax 925-'798 1622 <br /> http/lwww mccampbell com E-mad mem cr mccampbell com <br /> QC SUMMARY REPORT FOR S1,PV8Q21B18015Cm <br /> 1 <br /> Matrix W WorkOrder 0305148 <br /> ' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 6857 Spiked Sample ID 0305148-013A <br /> Sample Spiked MS- MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' CompoundI -------- <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec I %RPD Low High <br /> TPH(btex)a ND 60 998 973 1 60 979 966 133 70 130 <br /> ' MTBE ND 10 106 105 0 665 98 1 939 433 70 134 - <br /> Benzene ND 10 94 2 945 0 261 962 933 299 70 T130 <br /> Toluene ND 10 988 99 1 0 265 101 977 293 70 130 <br /> ' EthylbenD zene N 10 989 995 0 613 101 988 191 70 130 <br /> Xylenes ND 30 103 107 3 17 107 100 645 70 130 <br /> 1 %SS 103 100 101 101 0 103 102 1 15 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 /> 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)!(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 sperafic sample matrix interferes with spike recovery <br /> ' £TPH(btex)=sum of BTEX areas from the FID <br /> #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 matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />