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-~ AEGIS ENVIRONMENTAL, INC. <br /> STANDARD OPERATING PROCEDURES <br /> RE: LABORATORY ANALYTICAL QUALITY ASSURANCE AND CONTROL <br /> SOP-5 <br /> r, in addition to routine calibration of the analytical instruments with standards and blanks, <br /> the laboratory analyst is required <br /> durelicates and spikes on c sign and accuracy. 10 perc <br /> Accuracy t is(also <br /> analyses to inmeasure of <br /> ure an added P <br /> verified through the following: <br /> 1. U.S. Environmental Protection Agency (EPA) and State certification programs; <br /> 2. participation iri an inter-laboratory or "round-robin" quality assurance program; <br /> r~ 3. Verification of results with an alternative method. For example, calcium may be <br /> etric methods. <br /> determined by atomic absorption, ion determined chromatography, <br /> or titrim and trap or <br /> Volatile organic compounds may beetermined <br /> throliquid-liquid extraction methods; and, <br /> 4. Niisceilaneous checks of equipment accuracy. Where trace analysis is involved, <br /> d gases employed is of great concern. The <br /> purity of the solvents, reagents an <br /> laboratory maintains a service contract on all major instrumentation, including gas <br /> chromatograph, atomic absorption,ion chromatography and total organic ca.-bon <br /> -- analyzers. Each of <br /> theme instruments are serviced and maintained regularly. <br /> y <br /> 1 �- <br /> 3 <br /> � v <br /> 3 <br /> SOP-5/Act. 1990 <br /> I <br /> r <br />