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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> A# I:Tq:McCampbell Analytical, Inc. Telephone 925-798 1620 Fax 925-798-1622 <br /> Website www mccampbell com E mail main@mccampbell com <br /> 14: <br /> QC SUMMARY REPORT FOR 6010C <br /> W O Sample matrix Sod QC Matrix Soil WorkOrder 0602166 <br /> EPA Method 6010C Extraction SW3050B BatchlD 20254 Spiked Sample ID 0602166-003A <br /> Analyte Sample Spiked MS MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> mg(Kg mg/Kg %Rec %Rec %RPD mg1Kg %Rec %Rec %RPD MS/MSD LCS/LCSD <br /> Cadmium ND 50 101 I03 1 76 10 903 85 1 593 75 - 125 80- 120 <br /> Chromium 33 50 102 107 2 83 10 949 942 0 740 75- 125 80- 120 <br /> Lead 53 50 892 93 9 456 10 835 876 471 75- 125 80- 120 <br /> Nickel 18 50 926 978 3 87 10 95 5 843 12 575- 125 80- 120 <br /> Zinc 52 500 109 117 619 100 109 106 242 <br /> 75- 125 80- 120 <br /> °/4SS 11 I 250 11 1 112 0 898 250 112 110 1 62 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 /> BATCH 20254 SLIJA ARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 01 0602166-OOIA 2/08/06 2/09/06 2/13106 1 21 PM 0602166-002A 2/08/06 2109/06 2/13/06 1 33 PM <br /> 0602166-003A 2/08/06 2/09/06 2/13/06 1 09 PM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS-Sample)t(Amount Spiked),RPD=100'(MS- MSD)I((MS+MSD)1 2) <br /> MS t MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> N/A=not applicable to this method <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 analyte <br /> content <br /> DHS Certification No 1644 QA/QC Officer <br />