N-75 Questionnaire: Isotopic Enrichment Plants

DATE:

ISOTOPIC ENRICHMENT PLANTS

APPROVED BY OMB: NO. 3150-0056
EXPIRES: 06/30/2008

CONFIDENTIAL
WHEN COMPLETED

INTERNATIONAL ATOMIC ENERGY AGENCY
DEPARTMENT OF SAFEGUARDS AND INSPECTION

DESIGN INFORMATION
QUESTIONNAIRE *
(CONTINUED)
The "Confidential" marking on this form is for IAEA
purposes only. It indicates that the IAEA considers
the information in the completed form to be
'safeguards confidential' and is not to be confused
with any U.S. security classification.

IAEA USE ONLY

* Questions which are not applicable may be left
unanswered.

ISOTOPIC ENRICHMENT PLANTS
OVERALL PROCESS PARAMETERS
13. FACILITY DESCRIPTION
(indicating all process stages, storage areas
and feed, product, tail, and waste points)

GENERAL FLOW DIAGRAM(S) ATTACHED UNDER
REFERENCE NUMBERS:

14. PROCESS DESCRIPTION
(identifying sampling and key measurement
points; MBAs; inventory locations)

FLOW SHEET(S) FOR NORMAL OPERATION ATTACHED UNDER
REFERENCE NUMBERS:

15. DESIGN CAPACITY
(throughput and energy consumption)

MTUSW/annum

MW
16. ANTICIPATED ANNUAL THROUGHPUT
(in the form of a forward programme, indicating
the proportion of various feeds and products)

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ISOTOPIC ENRICHMENT PLANTS

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NUCLEAR MATERIAL DESCRIPTION AND FLOW
17.

MAIN MATERIAL DESCRIPTION
i)

FEED

PRODUCT

TAILS

Chemical and Physical Form

ii) Throughput and Enrichment Ranges
(for normal flow sheet operation indicating
if blending and/or recycling takes place)

iii) Batch Size/Flow Rate and Campaign Period

iv) Maximum Capability as Concentration of
Top Product (Nat. U feed)

v) Storage Inventory
(indicating any change with throughput)

vi) Frequency of Receipt or Shipment

18. WASTE MATERIAL
i)

Source and Form
(Indicating major contributors; liquid or
solid; range of constituents; enrichment
range; include contaminated equipment)

ii) Storage Inventory Range, Method and
Frequency of Recovery/Disposal

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ISOTOPIC ENRICHMENT PLANTS

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NUCLEAR MATERIAL DESCRIPTION AND FLOW
19. CONTAINER AND STORAGE
AREA DESCRIPTION

SEPARATE NOTE TO BE ATTACHED.
Describe for feeds, products, tails, and wastes: the type and size of storage and
shipping containers and packaging used, (including nominal capacity and
capacity for normal operation, and type of material); method of storage or
packing, filling and emptying procedures (include time cycle); shielding; and any
special identification features.

20. MEASURED DISCARDS AND
RETAINED WASTE
i)

As % of Input

21. INVENTORY
i) In-Process
(within plant and equipment during normal
operation; indicate quantity form and main
locations and any significant change with
time or throughput)

ii) Other Locations
(quantity, form and location of inventory
not already specified)

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ISOTOPIC ENRICHMENT PLANTS

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PLANT MAINTENANCE
22. MAINTENANCE, DECONTAMINATION,
CLEAN-OUT

SEPARATE NOTE TO BE ATTACHED
Describing plans and procedures and defining all sampling and key
measurement points associated with:
i) Normal Plant Maintenance;
ii) Plant and Equipment Decontamination and Subsequent Nuclear
Material Recovery;
iii) Plant and Equipment Clean-out Including Means of Ensuring Vessels
Are Empty.

PROTECTION AND SAFETY MEASURES
23.l BASIC MEASURES FOR PHYSICAL
PROTECTION OF NUCLEAR MATERIAL

24. SPECIFIC HEALTH AND SAFETY RULES
FOR INSPECTOR COMPLIANCE
(if extensive, attach separately)

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ISOTOPIC ENRICHMENT PLANTS

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NUCLEAR MATERIAL ACCOUNTANCY
25. SYSTEM DESCRIPTION
Give a description of the nuclear material
accounting system, the method of recording
and reporting accountancy data and
establishing material balances, procedures for
account adjustment after plant inventory,
mistakes, etc., under the following headings:

SPECIMEN FORMS USED IN ALL PROCEDURES ATTACHED UNDER
REFERENCE NUMBERS:

i) General

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ISOTOPIC ENRICHMENT PLANTS

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NUCLEAR MATERIAL ACCOUNTANCY
25. SYSTEM DESCRIPTION (Continued)
ii)

Receipts
(including method of dealing with shipper/
receiver differences and subsequent
account corrections)

iii)

Shipments
(product and waste)

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ISOTOPIC ENRICHMENT PLANTS

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NUCLEAR MATERIAL ACCOUNTANCY
25. SYSTEM DESCRIPTION (Continued)
iv)

Physical Inventory
(frequency, procedures,
estimated distribution)

v)

Measured Discards and Retained Waste

vi)

Operation Records and Accounts
(Including method of adjustment or
correction and place of preservation
and language)

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LIST OF MAJOR ITEMS OF EQUIPMENT REGARDED AS NUCLEAR
MATERIAL CONTAINERS ATTACHED UNDER REFERENCE NUMBERS:

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ISOTOPIC ENRICHMENT PLANTS

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NUCLEAR MATERIAL ACCOUNTANCY
26. FOR EACH KEY MEASUREMENT POINT
IDENTIFIED UNDER QS. 14 and 22, GIVE
THE FOLLOWING*
i)

Identification

ii)

Chemical and Physical Form of Material

iii)

Sampling Procedure and Equipment Used

iv)

Measurement/Analytical Method and
Equipment Used

v)

Source and Level of Random and
Systematic Errors
(weighing, volume, sampling,
analytical)

vi)

Method of Converting Source Data
to Batch Data
(standard calculative procedures,
constants and empirical relationships)

* COMPLETE PAGE 9 AND PAGE 10 FOR EACH KMP
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ISOTOPIC ENRICHMENT PLANTS

DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
26. FOR EACH KEY MEASUREMENT POINT
IDENTIFIED UNDER QS. 14 and 22, GIVE
THE FOLLOWING*
vii)

Calculative and Error Propagation
Technique

viii) Technique and Frequency of Calibration
of Equipment Used

ix)

Programme for the Continuing Appraisal
of the Accuracy of Weight, Volume,
Sampling Techniques and Measurement
Methods

x)

Programme for Statistical Evaluation of
Data from (viii) and (ix)

* COMPLETE PAGE 9 AND PAGE 10 FOR EACH KMP
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ISOTOPIC ENRICHMENT PLANTS

DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
27. OVERALL LIMIT OF ERROR
Describe procedures to combine individual
measurement error measurements to obtain
the overall limit of error for:
i)

S/R Difference

ii)

Book Inventory

iii)

Physical Inventory

iv)

MUF

OPTIONAL INFORMATION
28. OPTIONAL INFORMATION
(that the operator considers relevant
to safeguarding the facility)

Signature of Responsible Officer:

Date:

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