|                                                                                                                                 |                                                                                 | **NUREG/BR-0007
Revision 3**
|-------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------- | ----------------------------
|                                                                                                                                
|                                                                                                                                 | **Instructions for the
Preparation and
Distribution of Material
Status Report**
|**(DOE/NRC Forms 742 and 742C)
Effective date: February 1, 2000**                                                               
|**Issued by the
Office of Nuclear Materials Safety
and Safeguards
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001** |                                                                                
|                                                                                                                                



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## Publication Information

**Instructions for the Preparation and Distribution of Material Status Report** *(DOE/NRC Forms 742 and 742C)*

NRC Report Number: **NUREG/BR-0007, Revision 3**

**Availability Notice**

**Manuscript Completed:** October 1999**Date Published:** October 1999**Effective date:** February 1, 2000

**Issued by the
Office of Nuclear Materials Safety and Safeguards
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001**



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### Table of Contents

- Publication Information
- Abstract
- I. Introduction
- A. Regulatory Authority
- B. Reporting/Distribution Requirements
- II. Instructions For Completing DOE/NRC Form 742
- A. Section A - Material Accountability
- B. Section B - Country Control Number Data
- C. Section C - Certification
- D. Section D - Preparation of DOE/NRC Form 742 in Computer-readable Format
- III. Instructions for Completing DOE/NRC Form 742c- Physical Inventory Listing
- A. Licensees Reporting Under 10 CFR 74.13
- B. Licensees Reporting Under 10 CFR Part 75
- Appendix I: Composition Code Description
- Appendix II: DOE/NRC Form 742- Nuclear Material Balance Report And DOE/NRC Form 742C- Physical Inventory Listing



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## Abstract

NRC Regulations require each licensee who is authorized to possess at any one time and location special nuclear material (SNM) in a quantity totaling more than 350 grams of
contained uranium-235, uranium-233, or plutonium, or any combination thereof, to prepare and submit in computer readable format reports concerning SNM received, produced,
possessed, transferred, consumed, disposed of, or lost. This NUREG contains the reporting instructions for licensees to follow in making these reports.



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**U.S. Nuclear Regulatory Commission Instructions for the Preparation and Distribution of Material Status
Reports DOE/NRC Form 742- Material Balance Report and 742C- Physical Inventory Listing**

## I. Introduction

The U.S. Nuclear Regulatory Commission (NRC) and the U.S. Department of Energy (DOE) jointly participate in the Nuclear Materials Management and Safeguards System
(NMMSS), utilizing common reporting forms to minimize the reporting burden upon users of nuclear material required to provide nuclear materials data to one or both agencies in
accordance with prevailing regulations or contractual obligations, as is the appropriate case.  In this manner, the licensee(1) is able to file one report and meet the reporting
requirements of both NRC and DOE, rather than having to file different reports for each agency-required response.  Compliance with specific reporting requirements is monitored by
the agency for which the specific data is required.

### A. Regulatory Authority

NRC regulations require each licensee who is authorized to possess at any one time and location(2) special nuclear material (SNM) in a quantity totaling more than 350 grams of
contained uranium-235, uranium-233, or plutonium, or any combination thereof, to prepare and submit in computer readable format reports concerning SNM received, produced,
possessed, transferred, consumed, disposed of, or lost(3).  Reports are to be made as of March 31 and September 30 of each year, or alternate dates if authorized by the NRC, and
filed within thirty (30) days after the end of the period covered by the report.  If licensees are reporting pursuant to 10 CFR 75, reports are to be dispatched as soon as possible and in
any event within thirty (30) days after the start of the physical inventory taken as part of the licensee's material accounting and control procedures.

A separate DOE/NRC Form 742 shall be completed for each material type of SNM for which a reportable quantity is possessed or a reportable inventory change has occurred during
the period.  Reportable quantities are defined in NUREG/BR-0006.

Also, each licensee who is authorized to possess at any time or location, more than 1000 kilograms of source material or any combination thereof, must submit a statement of foreign
origin source material inventory.  A DOE/NRC Form 742 may be used.  Reports are to be made as of September 30 of each year and filed within 30 days after the end of the period
covered by the report, or as specified in Facility Attachments if the licensee is reporting pursuant to the 10 CFR 75.

In addition to the DOE/NRC Form 742, licensees possessing DOE-owned SNM under a Lease Agreement are required, by the DOE contract, to complete Form DOE 742A and
Form DOE 742B pursuant to the supplemental instructions issued by DOE.  These forms are not required for privately owned SNM.

### B. Reporting/Distribution Requirements

Form 742 has three sections in addition to facility identification data in Blocks 1 through 5.  Section A, "Material Accountability," Lines 7 through 83, are to be used to report
material accountability data such as receipts, shipments, usage, losses, gains, etc.  Section B, "Country Control Number Data," is to be used to report the distribution of the total
inventory on hand by country of origin as defined in the instructions for completing DOE/NRC Form 741.  Section C, "Certification," provides for the certification of all entries on the
Form.

Proprietary information must be included in all reporting forms when necessary to provide an adequate response.  An application to withhold such information from public disclosure
may be made, and would be disposed of, in accordance with the provisions of 10 CFR 2.790.  If any of this information is of particular sensitivity, a request may be made that such
information not be physically transmitted to the IAEA; such a request must refer to, and must conform with 10 CFR 75.12.

The prescribed computer-readable format replaces the submittal of DOE/NRC Form 742 to NMMSS in paper form which had been previously required.  However, paper hard copies
of the form should be provided to all interested parties.

## II. Instructions For Completing DOE/NRC Form 742

DOE/NRC Form 742 , Material Balance Report, (hereafter referred to as "DOE/NRC Form 742") should be completed in accordance with instructions in this NUREG and in
NMMSS Report D-24, "Personal Computer Data Input for NRC Licensees." NMMSS Report D-24 provides instructions and examples for preparation of required electronic
submittals to the NMMSS.

The following numbered instructions correspond to the numbered blocks or lines on DOE/NRC Form 742 to be completed by licensees.

|1. | Name and Address - Enter the name and address as identified with your Reporting Identification Symbol (RIS).                                                                                                 
|-- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|2. | License Number(s) - Enter the license number (or numbers) which authorizes possession of the source or special nuclear material for
which DOE/NRC Form 742 is being completed.                               
|3. | Reporting Identification Symbol (RIS) - Enter the RIS which has been assigned and under which the source or special nuclear material
being reported is, or was, held.  Submit a separate report for each RIS.
|4. | Report Period - Enter the inclusive dates.                                                                                                                                                                   
|5. | Material Type - Enter the appropriate Material Type Code for the material being reported, as follows:                                                                                                        
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              
|   |                                                                                                                                                                                                              

Complete a separate DOE/NRC Form 742 for each SNM or source material  type even in cases where two or more types are combined.

When U235 and U233 are mixed, report the total element weight of the mixture in the element weight column of both the U235 report and the U233 report, and reflect this fact in a concise
note (DOE/NRC Form 740-M) for each report.

### A. Section A - Material Accountability

|Use Columns A and B to enter all numeric data by element and isotope weight.(6)
|-------------------------------------------------------------------------------
|                                                                               
|                                                                               
|                                                                               
|                                                                               
|7.                                                                             
|8.                                                                             
|9.                                                                             
|                                                                               
|RECEIPTS                                                                       
|11.                                                                            
|13.                                                                            
|14.                                                                            
|15.                                                                            
|16.                                                                            
|21.                                                                            
|22.                                                                            
|                                                                               
|ED                                                                             
|NE                                                                             
|ND                                                                             
|DE                                                                             
|DN                                                                             
|                                                                               
|30.                                                                            
|34.                                                                            
|37.                                                                            
|38.                                                                            
|39.                                                                            
|40.                                                                            
|                                                                               
|REMOVALS                                                                       
|41.                                                                            
|42.                                                                            
|43.                                                                            
|44.                                                                            
|45.                                                                            
|46.                                                                            
|47.                                                                            
|48.                                                                            
|49.                                                                            
|51.                                                                            
|54.                                                                            
|58.                                                                            
|59.                                                                            
|65.                                                                            
|71.                                                                            
|72.                                                                            
|                                                                               
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|73.                                                                            
|74.                                                                            
|                                                                               
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|75.                                                                            
|76.                                                                            
|77.                                                                            
|80.                                                                            
|81.                                                                            
|82.                                                                            
|83.                                                                            



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### B. Section B - Country Control Number Data

|The total amount of nuclear material on hand as of the date of the report (amount on Line 80 or 81 or the sum of Lines 80 and 81) must be accounted for by country control number
within material type.
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|The following entries, by column, are required:                                                                                                                                                        
|1.                                                                                                                                                                                                     
|2.                                                                                                                                                                                                     
|3.                                                                                                                                                                                                     
|4.                                                                                                                                                                                                     



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### C. Section C - Certification

|Date, Signature, and Title Line - The report, if submitted as a hard copy, shall be signed by an authorized representative of the licensee.  Otherwise, enter the date and title of the
authorized representative submitting the report.  Each licensee must establish internal procedures that will ensure that the information provided in the report is accurate and that the
report has been prepared and issued only by the authorized licensee personnel.
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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### D. Section D - Preparation of DOE/NRC Form 742 in Computer-readable Format

|                                            | NMMSS Report D-24 provides instructions for preparing DOE/NRC Form 742 in computer-readable format as required for submittal.                                                                                                                                                                                                                                    
|------------------------------------------- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|                                            | **1.**                                                                                                                                                                                                                                                                                                                                                           
|                                            |                                                                                                                                                                                                                                                                                                                                                                  
|                                            |                                                                                                                                                                                                                                                                                                                                                                  
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|                                            |                                                                                                                                                                                                                                                                                                                                                                  
|                                            | 2.                                                                                                                                                                                                                                                                                                                                                               
|                                            | The completed NRC/DOE Form 742, in computer readable format, should be submitted to the NMMSS Operator.  Confirm the address
and mechanism of providing data to NMMSS by calling the NMMSS Operator  at 770-662-8110 prior to submitting data.  Note that
specific instructions depend upon whether the Form 742 contains classified or unclassified information.
|                                            | **a.**                                                                                                                                                                                                                                                                                                                                                           
|                                            |                                                                                                                                                                                                                                                                                                                                                                  
|                                            | **b.**                                                                                                                                                                                                                                                                                                                                                           
|                                            | Any DOE/NRC Form 742 which is unclassified must be documented in accordance with all pertinent security requirements.                                                                                                                                                                                                                                            
|                                            | * Please confirm the address prior to sending documents to NMMSS.                                                                                                                                                                                                                                                                                                
|                                           
|Distribute the completed report as follows:
|1.                                          | Submit one (1) copy of the completed report and all supporting schedules to NMMSS.                                                                                                                                                                                                                                                                               
|2.                                          | Retain one (1) copy for your file.                                                                                                                                                                                                                                                                                                                               



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## III. Instructions for Completing DOE/NRC Form 742c- Physical Inventory Listing

DOE/NRC Form 742C describes the status of the nuclear material reported on Lines 80 and 81 of DOE/NRC Form 742, as of the end of the reporting period. There are two separate
sets of procedures for filing DOE/NRC Form 742C.  They are based on the following authorities:

| | 1. | Licensees required to report pursuant to 10 CFR  74.13.
| | -- | -------------------------------------------------------
| | 2. | Licensees required to report under 10 CFR 75.          

The following instructions are presented in two sections, corresponding to the above categories.

### A. Licensees Reporting Under 10 CFR 74.13

|The following numbered instructions correspond to the numbered blocks or lines to be completed by licensees on the Physical Inventory Listing (PIL), DOE/NRC Form 742C for
non-DOE-owned inventory. U.S. origin source material is exempt from this requirement.                                                                                                                                                                                                               
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Refer to the DOE Orders Series 5630 and 470 (DOE Order 474.1 and DOE Manuals M 474.1-1 "Control and Accountability of Nuclear Material" and M 474.1-2, "Nuclear
Materials Management and Safeguards System Reporting and Data Submission," dated February 10,1998) for DOE-owned material holdings.                                                                                                                                                                            
|1.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|2.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|3.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|4.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|5.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|6.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|20(7)                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|50                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|70                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|81                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|83                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|88                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|89                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|861                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|862                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|863                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|864                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|865                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|866                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|i.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|j.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|k.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|l.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|m.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|n.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|7.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|8.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|9.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|10.                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|DOE Manual M 474.1-2 series contains requirements for reporting the status of nuclear material for DOE-owned inventory.  Reporting inventory data for DOE-owned inventory in
an expanded level of detail is a DOE reporting requirement which also meets inventory reporting requirements of NRC.  The total of DOE-owned inventory on which inventory data
is reported must agree with the quantity entered on line 80, "Ending Inventory DOE Owned," on the DOE/NRC Form 742.
|Submit the data as specified in Section II.D.                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Reports filed under this section are to be submitted within thirty (30) days after the end of the period covered by the report.                                                                                                                                                                                                                                                                                                                                                

### B. Licensees Reporting Under 10 CFR Part 75

|The instructions in this section apply only to facilities which have been notified by letter from the NRC, as provided in 10 CFR 75.11, that they have been identified under the
US/IAEA Safeguards Agreement.  Facilities who are required to submit INITIAL inventory reports under 10 CFR 75.32, and a physical inventory is not performed, shall prepare
DOE/NRC Form 742 according to the instructions in II.A of these procedures completing Items 1, 2, 3, 4, 5, 80, 81, and 82.  The information in the initial inventory report may be
based upon the licensee's book record.  Facilities reporting under this section will file Subsequent Material Balance Reports based upon a physical inventory and are required to
attach a completed DOE/NRC Form 742C, Physical Inventory Listing (PIL).  Such reports are required with respect to each physical inventory taken as part of the material
accounting and control procedures required by 10 CFR 75.21.  Unless otherwise specified by license conditions, such reports shall be dispatched as soon as possible and in any event
within thirty (30) days after the start of the physical inventory.
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|After completion of Form 742, prepare the submittal in computer-readable format following the instructions in NMMSS Report D-24.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|The following numbered instructions correspond to the numbered blocks or lines to be completed by licensees on the PIL.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|1.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|2.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|3.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|4.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|5.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|6.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|B                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|G                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|H                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|J                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|R                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|S                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|U                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
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|j.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|k.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|l.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|m.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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## Appendix I: Composition Code Description

|860. | In Reactors and Critical Assemblies
Enter SNM or source material in reactors, test piles, critical assemblies, and SNM being
used for radiation studies.  Excess, spare, or transiently used fuel elements are to be
reported in Code 864, Materials Not in Process.                                                     
|---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|861. | In Cooling
Enter irradiated SNM or source material in cooling basins held for future recovery or
disposal (includes reactor produced SNM).                                                                                                                                                                               
|862. | In Conversion and Fabrication Processes
Enter SNM or source material in conversion or fabrication processes which change its
chemical or physical form.  Sealed sources, unopened receipts, and ultimate products
maintained under tamper-safing are not considered "in process" and are not to be included
on this line.
|863. | In Recovery Processes
Enter SNM or source material in a recovery process (i.e., nuclear in the process of being
separated from original fuel and other reactor products; nuclear in the process of being
removed from undesired materials and converted to usable forms).                                                
|864. | Materials Not in Process
Enter SNM or source material in all unopened receipts, sealed sources, and ultimate
product maintained under tamper-safing.                                                                                                                                                                     
|865. | Unirradiated Scrap Awaiting Recovery
Enter SNM or source material in unirradiated scrap material which is awaiting in-house or
offsite recovery.                                                                                                                                                                         
|866. | Unirradiated Scrap Awaiting Disposal
Enter SNM or source material in unirradiated scrap material which is awaiting transfer to
an authorized disposal facility.                                                                                                                                                          

## Appendix II: DOE/NRC Form 742- Nuclear Material Balance Report And DOE/NRC Form 742C- Physical
Inventory Listing

Figure 1. DOE/NRC Form 742 - Page 1

Figure 2. DOE/NRC Form 742 - Page 2

Figure 3. NRC Form 742C

Figure 4. NRC Form 335 Bibliography Data Sheet



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1. The term "licensee" indicates an NRC or Agreement State Licensee or an NRC Certificate Holder.

2.0A Reporting Identification Symbol (RIS) is assigned by NRC and/or DOE to each reporting location.

3.0Submission of DOE/NRC Form 742 may be required as a matter of contract or lease administration for all DOE-owned SNM, regardless of quantity.

4. If reporting enriched uranium (material type 20), enter the appropriate enrichment level code in lieu of "20," as follows:

Code  Description

E1  Greater than normal but less than 5.00%

E2  5.00% or more, but less than 20.00%

E3  20.00% or more, but less than 80.00%

E4  80.00% or more

5. Report as Pu238 if the contained Pu238 is greater than 10% of total Pu by weight; otherwise, report as plutonium.

6. Round fractions of 0.5 or greater upward.  If quantity to be entered is less than 0.5 of the reporting unit, the quantity will be rounded to the next lowest reporting unit.

7. If reporting enriched uranium (material type 20), enter the appropriate enrichment level code in lieu of "20" as follows:

Code   Description

E1   Greater than normal but less than 5.00%

E2   5.00% or more, but less than 20.00%

E3   20.00% or more, but less than 80.00%

E4   80.00% or more

8. See Appendix I for further description of codes. Enrichment facilities are authorized to continue using the inventory composition codes that have been previously defined in the
facility inventory profile.

9. If reporting enriched uranium (material type 20), enter the appropriate enrichment level code in lieu of "20," as follows:

Code  Description

E1  Greater than normal but less than 5.00%

E2  5.00% or more, but less than 20.00%

E3  20.00% or more, but less than 80.00%

E4  80.00% or more