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1400 N .w <br /> d. rr, 3-a laboratorilL71S 2905 Railroad Ave. Ceres,CA 95307 (209)581-9280 Fax(209)581-9282 <br /> Stockton Service Project Number 2514 Juliet Rd �^- `-'"--- <br /> N/A Project Name: Private Home Work Order No.: <br /> Stockton,CA N/A <br /> Project Manager: Don Light H701051 <br /> Total Lead by Flame AA EPA Method 7420-Quality Control <br /> Argon Laboratories <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch HQB0029-EPA 30508 - <br /> Blank(HQB0029-BLKI) Prepared&Analyzed:01/31/07 <br /> Lead ND 5.0 mg/kg <br /> LCS(HQB0029-BSI) Prepared&Analyzed:01/31/07 <br /> Lead 792 mg/kg 8.00 99 70-130 20 <br /> Matrix Spike(HQB0029-MSI) Source:H701051-01 Prepared&Analyzed:01/31/07 <br /> Lead 8.57 mg/kg 800 0,89 96 70-130 20 <br /> Matrix Spike Dup(HQB0029-MSDI) Source:H701051-01 Prepared&Analyzed:01/31/07 <br /> Lead 9.05 mg/kg 8.00 0.89 102 70-130 5 20 <br /> Approved By <br /> Argon Laboratories,Inc. California D.O.H.S.Cert.#2359 <br /> Page 6 of 8 <br />