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AEGIS ENVIRONMENTAL, INC. <br /> STANDARD OPERATING PROCEDURES <br /> RE' LA130RATORY ANALYTICAL QUALITY ASSURANCE AND CONTROL <br /> SOP-5 <br /> In addition to routine calibration of the analytical instruments with standards and blanks, <br /> the laboratory analyst is required to run duplicates and spikes on 10 percent of the <br /> d measure of precision and accuracy. Accuracy is also <br /> analyses to insure an adde <br /> verified through the following: <br /> 1. U.S. Environmental Protection Agency (EPA) and State certification programs; <br /> or "round-robin" quality assurance program; <br /> 2- Participation in an inter laboratory <br /> 3. Verification of results with an alternative method. For example, calcium may be <br /> mined by atomic absorption, ion chromatography, or titrimetric methods. <br /> determined <br /> organic compounds may be determined through either purge and trap or <br /> Volatliquid-liquid extraction methods; and, <br /> 4. Miscellaneous checks of equipment accuracy. Where trace analysis is involved, <br /> purity of the solvents, reagents and gases employed is of great concern. The <br /> laboratory maintains a service contract on all major instrumentation, including gas <br /> chomatography and total oganic ca <br /> chromatograph, atomic absorptio eonarerserviced and naaintainedrregularlyrbon <br /> analyzers. Each of these instrumnts <br /> r , <br /> ATTACH MENTlSpl 19� - <br />