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.a. <br /> AEGIS ENVIRONMENTAL,O MENTAL, 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 methods specific frequencies to <br /> monitor precision and bias. Additional components of the laboratory Quality <br /> Assurance/Quality Control program include: <br /> l <br /> 1. Participation in state and federal laboratory accreditation/certification programs; <br /> 2. Participation in both U.S. EPA Performance Evaluation studies S and WP <br />,I � <br /> studies) and inter-laboratory performance evaluation programs; <br /> 3. Standard operating procedures describing routine and period 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 /> w <br /> 1 <br /> a <br /> a <br /> 1 <br /> i <br />{ <br /> ATTACHMENT/S0P-5/FE8RUARY 1992 <br />{ <br />