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i 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 Ih !/www mccarripbell cont E mazl rnauiuiccaniipbell cam QC SUMMARY REPORT FOR SW8021B/8015Cm Matrix W WorkOrder 0304378 IEPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 6677 Spiked Sample ID 0304368-010A Compound Sample Spiked MS* MSDMS-MSD" LCS LCSD LCS-LCSD Acceptance Cntena(%) pg/L dig/L %Ret: %Rec % RPD % Rec % Rec % RPD Low High TPH(btex) 6683 60 79 1,Fl 77 3,F1 0 957 112 108 357 80 t20 MTBE 2904 10 NR NR NR 933 965 344 80 120 Benzene 1768 10 96 6 97 6 0 903 982 969 131 80 120 Toluene 3 338 10 104 103 0 719 106 105 119 80 120 Fthylbenzene ND 10 105 103 1 66 103 102 0 887 80 120 Xylenes 4 4 30 109 109 0 110 110 0 80 120 I %SS 937 100 114 HIS 2 96 98 7 98 9 1 0 219 1 80 120 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions I NONE Fl =MS/MSD exceed acceptance criteria LCS-LCSD validate prep batch I I MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD W Relative Percent Deviation %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 I *MS and I 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 analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery £TPH(btex)=sum of BTEX areas from the FID I #cluttered chromatogram sample peak coelutes with surrogate peak NIA=not enough sample to perform matrix spike and matnx spike duplicate 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 Ilanaiyte content