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AEGIS ENVIRONMENTAL, INC. <br /> STANDARD OPERATING PROCEDURES <br /> RE: LABORATORY ANALYTICAL DUALITY ASSURANCE AND CONTROL <br /> SOP-5 <br /> 1n addition to routine calibration of the analytical instruments with standards cen toff the <br /> the laboratory analyst is required to run duplicates and and ccura y 10ikes on percent <br /> is also <br /> analyses to insure an added measure of precision <br /> + verified through the following: <br /> U.S. Environmental Protection Agency (EPA) and State certification programs; <br /> 4 program; <br /> _ 2, Participation in an inter-laboratory or "round-robin" quality assurance p g <br /> i <br /> e <br /> 3, Verification of results with an alternative method. For example,tit�imetric methods. <br /> determinod by atomic absorption, ion chromatography, <br /> Volatile organic compounds may <br /> be determined through 6i her purge and trap or <br /> ' liquid-liquid extraction methods; and, <br /> equipment accuracy. Where trace analysis is involved, <br /> 4, Miscellaneous checks of equip employed is of great concern. The <br /> purity of the solvents, reagents and gases <br /> ~ laboratory maintains a service contract on alma jorraphy and tata1 organuc�carbon <br /> h atomic absorption, ion ch g <br /> chromatograp , <br /> analyzers. Each of these instruments are serviced and maintained regularly. <br /> i <br /> l ! <br /> -? <br /> 1940 <br /> AT',ACHMENTO)P•Wune <br />