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1 <br /> ENVIRONMENTAL <br /> 1 � <br /> PUIALYTICAL CHEMISTS <br /> November 12, 1993 QA/QC ID# 931108 UGSTA-S-301A <br />' Stephen Valentine RE- Organic Analysis <br /> 5232 Hemet Ave <br /> Stockton CA 95207 Extracted N/A <br />' Analyzed • November 8, 1993 <br />' FGL Environmental Quality Assurance Report <br /> UGSTA-S METHOD <br />' CONC. ACCURACY PRECISION <br /> SPIKED % RECOVERED % DIFFERENCE <br />' CONSTITUENT mg/kg MS MSD AR RPD MAV <br /> Ethyl Benzene 8020 0.0 100 100 32-160 0 0 20 0 <br />' MS = Matrix Spike MSD = Matrix Spike Duplicate Matrix = Laboratory Blank Water <br /> AR = Acceptable Range RPD = Relative Percent Difference MAV = Maxlmun Acceptable Value <br /> bFGL ENVIRONMENTAL . <br />' Fomas Ba anen, M S <br /> y Assurance Of cer <br /> I <br /> I <br /> I <br /> Oorpo_rPte Offices_& Laboratory Office& Latigratory Field Office <br /> P 0 Box 272 853 Corporaljor Streei 2500 Sla(eceach Road Visalia California <br /> Sa ila Pau,a CA 93061 02-2 Slochlo^ CA 95215 TEL (209)734 9473 <br /> TEL 1605}65U )?10 TEL (20G 12 0181 Mobile (209)738 6273 <br />