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1 <br /> ENVIRONMENTAL <br /> •� ANALYTICAL CHEMISTS <br /> April 1, 2004 Lab ID STK431884 <br /> Customer 3014996 <br /> Ground Zero Analysis <br /> 1714 Main Street <br /> Escalon, CA 95320 <br /> I <br /> Laboratory Report j <br /> Introduction: This report package contains total of 13 pages divided into three sections <br /> Case Narrative (2 Pages) An overview of the work performed at FGL <br /> Chemical Results (2 Pages) Results for each sample submitted <br /> Quality Control (9 Pages) Supporting Quality Control (QC) results <br /> This report package pertains to the following sample <br /> Date Date FGL Lab <br /> Sample Description Sampled Received Sample ID # Matrix <br /> King 833$ 03/16/2004 03/18/2004 1 STK431884-01 DW <br /> Sampling and Receipt Information: The sample was received, prepared and analyzed within <br /> the method specified holding times All samples were received on ice All samples were <br /> checked for pH if acid or base preservation required (except for VOAs) For details of sample <br /> receipt information, please see the attached Chain of Custody and Condition Upon Receipt <br /> Forms <br /> Quality Control: All samples were prepared and analyzed according to the following tables <br /> Organic QC <br /> 5242 03/23/2004 A209 All preparation quality controls are within established criteria, except <br /> The following note applies to Dichlorodifluoromethane, Chloromethane, Vinyl <br /> Chloride <br /> 410 Relative Percent Difference (RPD) not within Maximum Allowable Value <br /> (MAV) Data was accepted based on the LCS or CCV recovery <br /> The following note applies to 4-Chlorotoluene <br /> 435 Sample matrix may be affecting this analyte Data was accepted based on the <br /> LCS or CCV recovery <br /> 03/23/2004 A - GM205 All analysis quality controls are within established criteria, except <br /> The following note applies to Bromomethane, Chloroethane, Trichlorofluoromethane, <br /> Vinyl Chloride, tert-ButanoI <br /> 360 CCV above Acceptance Range (AR) Samples which were non detect for this <br /> analyte were accepted <br /> Case narrative continued on next page <br /> • <br /> Corporate Offices&Laboratory Office&Laboratory Field Office <br /> PO Box 272/853 Corporation Street 2500 Stagecoach Road Visalia California <br /> Santa Paula CA 93061 0272 Stockton CA 95215 TEL (559)734 9473 <br /> TEL (805)392 2000 TEL (209)942 0181 FAX (559)734-8435 <br /> CA NE <br /> FAX (805) 'Ar 4172 FAX (209)942 0423 Moble (559) 737-2399 <br /> [JIP C.wn:fl�tenn Aga_ou�nre <br />