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Ah Am <br /> ® McCampbell Analytica , Inc. 1534 Will bell Road,PE- ,CA 94565-1701 <br /> Web:www.mccempbell.com E-mail:mein@mccamphell.wm <br /> "When Oualiw Counts" Tele hone:877-252-9262 Fez:925-252-9269 <br /> QC SUMMARY REPORT FOR E350.1 <br /> • W.O.Sample Matrix: Water QC Matrix: Water BatchlD: 38941 WorkOrder 0810383 <br /> EPA Method E350.1 Extraction E350.1 Spiked Sample ID: 0810382-001A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/L mg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Total Ammonia as N NO 4 95.4 97.1 1.77 1 90 92.4 2.65 80- 120 1 20 90- 110 1 20 <br /> All target compounds in the Method Blank of this extraction batch were NO less than the method RL with the following exceptions: <br /> NONE <br /> BATCH 38941 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Dale Analyzed <br /> 0810383-OOIB 10/15/08 8:50 AM 10/17/08 10/17/08 1:14 PM 0810383-0028 10/15/08 9:50 AM 10/17/08 10/17/08 1:18 PM <br /> 0810383-003B 10/15/08 10:20 AM 10/17/08 10/17/08 1:22 PM 0810383-004B 10/15/08 11:05 AM 10/17/08 10/17/08 1:25 PM <br /> 0810383-005B 10/15/08 1:10 PM 10/17/08 10/17/08 1:29 PM 0810383-006B 10/15/08 2:25 PM 10/17/08 10/17/08 1:33 PM <br /> • <br /> ME=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100-(MS-Sample)/(Amount Spiked);RPD=100-(MS- MSD)/((MS+MSD)12). <br /> ME/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is inhomogenous AND <br /> 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted duetohigh matrix or analyte content.to <br /> OHS ELAP Certification 1644 — QA/QC Officer <br />