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E?M_ <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 certified <br /> reference materials are routinely analyzed at method-specific frequencies to monitor precision and <br /> bias. Additional components of the laboratory Quality 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 studies) and <br /> inter-laboratory 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 /> f � <br /> E <br /> E <br /> LAENSR%admin\S0PSOP-5.doc <br />