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10, <br /> 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCamobell Analytical, Inc. Web:www.mccampbell.com &mail:main@mmmpbeli.com <br /> "When Ouality Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> ` QC SUMMARY REPORT FOR 6010C <br /> W.O.Sample Matrix: Soil OC Matrix: Soil WorkOrder 0712417 <br /> EPA Method 6010C Extraction SW3050B BatchlD: 32507 Spiked Sample ID 0712366-003A <br /> Analyte Sample Spiked MS MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Lead 9.6 50 86.2 90 3.54 10 93.9 91.8 2.34 75- 125 20 80- 120 20 <br /> %SS: 92 250 92 97 6.15 250 95 95 0 70- 130 20 70- 130 20 <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 32507 SUMMARY <br /> r Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0712417-OOIA 12/12/07 8:55 AM 12/13/07 2/17/07 11:41 AM 0712417-002A 12/12/07 9:05 AM 12/13/07 12/17/07 11:43 AM <br /> 0712417-003A 12/12/07 9:05 AM 12/13/07 2/17/07 11:46 AM 0712417-004A 12/12/07 9:42 AM 12/13/07 12/17/07 11:48 AM <br /> L 0712417-005A 12/12/07 9:46 AM 12/13/07 2/17/07 11:50 AM 0712417-006A 2/12/07 11:05 AM 12/13/07 12/17/07 11:53 AM <br /> 0712417-007A 12/12/07 11:07 AM 12/13/07 2/17/07 11:55 AM 0712417-008A 2/12/07 11:51 AM 12/13/07 !2/17/07 11:58 AM <br /> 0712417-009A 12/12/07 11:54 AM 12/13/07 12/17/07 12:00 PM 0712417-OIOA 12/12/07 12:06 PM 12/13/07 12/17/07 12:02 PM <br /> i <br /> IV <br /> L <br /> r <br /> r <br /> r <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> r <br /> %Recovery=100"(MS-Sample)/(Amount Spiked);RPD=100"(MS- MSD)/((MS+MSD)/2). <br /> MS/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 <br /> r AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> WA=not applicable to this method. <br /> r <br /> DHS ELAP Certification N° 1644 J2— QA/QC Officer <br /> r <br />