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' 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Tch phone 925 798 1620 Fax 925 798-1622 <br />' Website WwAv mecarMbell corn E mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0411222 <br />' EPA Method SW8021B/8015CM Extraction SW50308 BatchlD 13946 Spiked Sample ID 0411207-005A <br /> Anal Yto Sample Spiked MS` MSD' MS-MSD' LCS LCSD !LCS -LCSD Acceptance Catena(%) <br /> I pgIL Vg/L %Rec %Rec %RPD %Rec % Rec °/n RPD MS/MSD LCS 1 LCSD <br /> TPH(btex)£ ND 60 104 902 141 868 88 1 36 70- 130 70-130 <br />' MTBE ND 10 998 967 313 87 1 9 t 5 489 70-130 70- 130 <br /> Benzene ND 10 101 988 205 913 941 3 08 70- 130 70- 130 <br /> Toluene ND 10 107 968 975 92 9 951 2 26 70- 130 70-130 <br />' Ethylbenzene ND 10 103 999 291 946 974 2 90 70-130 70- 130 <br /> Xylenes ND 30 917 90 3 1 47 94 7 993 481 70- 130 70- 130 <br />' %SS 113 1 10 104 105 0 473 99 99 0 70- 130 70-130 <br /> All target compounds to the Method Blank of his extraction batch were ND less than the method RL with the following exceptions <br /> I NONE <br /> I <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)I(Amount Spiked) RPD=100'(MS- MSD)/((MS*MSD)12) <br /> I 'MS I MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample is matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> NIA=not applicable or not enough sample to perform matrix spike and matrix 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 /> ranaiyte content <br /> DHS Certification No 1644 QA/QC Officer <br /> I <br />