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AEGIS ENVIRONMENTAL, INC. <br /> STANDARD 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 <br /> certified reference materials are routinely analyzed at method-specific frequencies to <br /> monitor precision and bias Additional components of the laboratory Quality <br /> Assurance/Quality Control program include <br /> 1 Participation in state and federal laboratory accreditation/certification programs, <br /> 2 Participation in both U S EPA Performance Evaluation studies (WS and WP <br /> studies) and inter-laboratory performance evaluation programs, <br /> 3 Standard operating procedures describing routine and periodic instrument <br /> maintenance, <br /> 4 "Out-of-Control"/Corrective Action documentation procedures, and, <br /> 5 Multi-level review of raw data and client reports <br /> ATTACHMENT/SOP 5/SEPTEMBER 1992 <br />