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i <br /> -== ENVIRONMENTAL p <br /> Analytical Chemists <br /> September 27, 1999 Organic Quality Assurance Report for sample: 934054 <br /> Wong Engineers, Inc. Actual sample results are contained in the accompanying analytical report(s). <br /> 4578 Feather River Drive, Suite A <br /> Stockton, CA 95219 <br /> BATCH EPA CALIBRATION QA/QC METHOD QA/QC <br /> Constituent ID Method Units Type Conc. % REC AR NOTE Type Conc. % REC % REC AR % DIF MAV NOTE <br /> DBCP OA203 504 ug/L LCS 0.2941 90.8 70-130 BS 0.2941 89.6 85.6 70-130 4.6 30.0 <br /> EDB OA203 504 ug/L I LCS 0.2941 96.2 70-130 BS 0.2941 95.6 91.8 70-130 4.1 30.0 <br /> FGL ID = 19990917 N/A => Not Applicable NOTE => See note indicated below. One or both results <_ 5*PQL, absolute difference compared. Ln <br /> An explanation of QA terms is provided on the reverse side of this page. <br /> Ei <br /> W <br /> W <br /> x <br /> FGL ENVIRONMENTAL, INC. <br /> KAD:vt <br /> Kurt Wilkinson, B.S. , QA Director <br /> COATlorate Offices&Laboratory Office&Laboratory <br /> P.O.Box /853 Corporation Street 2500 Stagecoach Road Visalia,CalHomia <br /> Santa Paula,la,CA 93061.0272 Field Office TEL: (805)659-0910 Stockton,CA 95215 TEL:(559)734-9473 FAX (8051 525-4172 TEL: (209)942-0181 Mobile:(559)737-2399 <br /> FAX- (209)942-0423 FAX:(559)734-8435 <br /> 0 1 0 A <br />