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AVUGRO WEST, INC. <br /> MFSTANDARD OPERATING PROCEDURES <br /> RE: LABORATORY ANALYTICAL QUALITY ASSURANCE AND CONTROL <br /> SOP-5 <br /> In addition to routine instrument calibration, replicates, spikes, blanks, spiked blanks, and certified reference <br /> materials are routinely analyzed at method-specific frequencies to monitor precision and bias Additional <br /> components of the laboratory Quality Assurance/Quality Control program include <br /> I Participation in state and federal laboratory accreditation/certification programs, <br /> 2 Participation In both U S EPA Performance Evaluation studies (WS and WP studies) and inter-laboratory <br /> performance evaluation programs, <br /> 3 Standard operating procedures describing routine and periodic instrument maintenance, <br /> 4 "Out-of-Control"/Corrective Action documentation procedures, and, <br /> 5 Multi-level review of raw data and client reports <br /> Fugm west Inc <br /> SOP-S/October 1994 <br /> I <br /> i <br />