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13.4.2 DATA HANDLING 13.4.2.1 The licensee shall use the lower limits of detection prescribed in USNRC Reg. Guide 4.14 unless otherwise approved in the Procedures Manual required by LC 11.1.8. See Annex B. 13.4.2.2 The licensee shall report date, type, and location for each radiochemical analytical result, including the magnitude of the random error of analysis to the 95 percent confidence level, or other error range acceptable to the Department. 13.4.2.3 Individual sample data shall be maintained in accordance with the format in Annex A. 13.4.2.4 The licensee shall include statistical evaluations and graphical summaries, including estimates of random and systematic errors, of all effluent release data and all environmental monitoring data in the March 31 and September 30 reports required by LC 13.1.9.2. 13.4.3 QUALITY ASSURANCE The licensee shall maintain a quality assurance program in accordance with USNRC Regulatory Guide 4.15 unless otherwise approved in the Procedures Manual required by LC 11.1.!3. 13.4.4 EQUIPMENT AVAILABLE The inventory of monitoring equipment shall be such than an adequate supply of operable and calibrated units are always available. 13.4.5 CALIBRATION OF EQUIPMENT The licensee shall calibrate all radiation monitoring and sampling equipment after repair and, unless otherwise authorized by the Department, at least semiannually or at the manufacturer's suggested interval, whichever is more f:•equent. Also, a check source shall be used to assure that radiation detection instruments are operating properly before each use. Alpha counting systems shall be calibrated at least quarterly by using a known standard alpha source. 13.4.6 PERSONNEL MONITORING The licensee's personnel and facility monitoring program shall be sufficient to enable the Department to estimate maximum potential occupational dose commitment and to demonstrate compliance with Part IV, of the Radiation Regulations." -16-