RG 5.57-76 相关标准章节.docxVIP

Publication Date: 6/1/76  Pages: 8  Date Entered: 1/5/93  Title: Shipping and Receiving Control of Special Nuclear Material  June 1976  U.S. NUCLEAR REGULATORY COMMISSION  REGULATORY GUIDE  OFFICE OF STANDARDS DEVELOPMENT  REGULATORY GUIDE 5.57  SHIPPING AND RECEIVING CONTROL OF  SPECIAL NUCLEAR MATERIAL A. INTRODUCTION  Section 70.58 of 10 CFR Part 70, Special Nuclear Material,  requires certain licensees authorized to possess at any one time and  location special nuclear material (SNM) in quantities exceeding one  effective kilogram to establish, maintain, and follow detailed  fundamental material control and accounting procedures for shipping and  receiving SNM.  The requirements for packaging and transporting SNM are specified  in 10 CFR Part 71, Packaging of Radioactive Material for Transport and  Transportation of Radioactive Material Under Certain Conditions, and in  the applicable portions of the regulations appropriate to the mode of  transportation in 49 CFR Parts 170-189, 14 CFR Part 103, and 46 CFR Part  146. These requirements are not included in the scope of this guide.  Requirements for the physical protection of SNM at licensee  facilities and of material in transit are specified in 10 CFR Part 73,  Physical Protection of Plants and Materials, and are the subject of  various regulatory guides issued or under development. Section 73.30 of  Part 73 requires that uranium-235 (contained in uranium enriched to 20  percent or more in the U-235 isotope), uranium-233, plutonium, or any  combination of these materials which is 5,000 grams or more computed by  the formula, grams = (grams contained U-235) + 2.5 (grams U-233 + grams  plutonium), shall be shipped in containers that are sealed by  tamper-indicating seals.(1) Licensees who transfer and receive SNM are required under section  70.54 to complete Form NRC/ERDA-741, Nuclea