ARCHIVED REPORTS_PHASE II ENVIRONMENTAL SITE ASSESSMENT

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MCCamAbellAnalytical, Inc 1534 Willow Pass Road,Pittsburg,CA 94565-1701 Web:www.mccampbell.com E-mail:main@mocampbell.com "When Ouslity I Tele hone:877-252-9262 Fax:925-252-9269 QC SUMMARY REPORT FOR SM5520E/F W.O.Sample Matrix: Soil OC Matrix: Soil WorkOrder 0805464 EPA Method SM5520E/F Extraction SM5520E/F BatchlD: 35715 Spiked Sample ID: 0805464.009A Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) mg/Kg ni %Rec. %Rec. %RPD %Rec. %Rec. %RPD I MS/MSD RPD LCS/LCSD RPD POO ND 1000 106 109 3.53 107 103 4.13 70- I30 1 30 70- 130 30 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: NONE BATCH 35715 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed 0805464-OOIA 05/16/08 8:05 AM 05/16/08 05/20/09 12:10 PM 0805464-003A 05/16/08 8:15 AM 05/16/08 05/20/09 12:15 PM 0805464-OOSA 05/16/08 8:35 AM 05/16/08 05/20/09 12:20 PM 0805464-007A 05/16/08 9:15 AM 05/16/08 05/20/09 12:25 PM 0805464-009A 05/16/08 9:40 AM 05/16/08 05/20/09 12:30 PM MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS t MSD)/2). MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance coterie due to one or more of the following reasons:a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix Interferes with the spike recovery. N/A=not enough sample to perform matrix spike and matrix spike duplicate. NR=analyto 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 analyte content. DHS ELAP Certification No 1644 J2— QA/QC Officer