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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, replica es, spikes, blanks, spiked blanks, and <br /> certified reference materials are routinely analyz d 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 j <br /> studies) and inter-laboratory performance Evaluation programs; <br /> 3. Standard operating procedures describing routine and periodic instrument <br /> maintenance; <br /> ! <br /> 4. "Out-of-Control'/Corrective Action documentation procedures; and, ! <br /> 5. Multi-level review of raw data and client reports. <br /> I <br /> i <br /> i <br /> I <br /> i <br /> 4 <br /> f <br /> ATTACHMENT/SOP-51SEPTEMBER 1992 <br />