Материал: Крючков Фундаменталс оф Нуцлеар Материалс Пхысицал Протецтион 2011

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person who assists in this.

Inventory change

–

a report showing changes in the inventory

report (ICR)

of nuclear material in an MBA.

Inventory

–

the difference between the book and

difference

physical inventories in an MBA.

Inventory

–

a determined quantity of the inventory

difference limit

difference exceeding which is viewed as an

 

anomaly.

Inventory listing

–

a list of the inventory of nuclear material

 

showing the quantities thereof and based on

 

accounting data.

Invoice

–

the accompanying document that contains

 

basic accounting data on the transferred NM.

Item

– an identifiable NMcontaining article

 

(having an individual number or another

 

identifier) that has its integrity invariable

 

over the specified period of time.

Key measurement

–

a place within an MBA equipped for

point

measurements of NM parameters and

 

attributes.

Ligature mass of

–

the mass of a material containing a

NM

chemical or physical composition of NM

 

with an inert substance.

Loss limit

–

a justified and approved quantity of NM the

 

loss of which in a process is tolerable.

Low-enriched

–

uranium with an enrichment of less than

uranium (LEU)

20% in U-235.

481

Material balance

–

an administratively

established encl osed

area (MBA)

area where all inputs and outputs of nuclear

 

material and, on a periodic basis, the

 

inventory thereof are determined based on the

 

quantities measured.

 

 

Material balance

–

the period of time between two consecutive

period (MBP)

physical inventory takings.

 

Material balance

–

a report on the physical inventory and the

report (MBR)

balance of nuclear material in an MBA over

 

the material balance period.

 

Measurement

–

a deviation of a measurement result from

error

the true value of the measured quantity.

 

Nondestructive

–

characterization of NM without violating

assay (NDA)

the integrity of NM-containing articles.

 

Nonproliferation

–

a system of provisions that ensure

safeguards

nonproliferation of nuclear weapons.

 

Nuclear activity

–

an activity

relating to fabrication,

use,

 

storage and transportation of NM, as well as

 

to design, construction, operation and

 

decommissioning of nuclear facilities.

 

Nuclear facility

–

a facility which uses or contains nuclear

 

material

 

 

 

 

.

 

 

 

 

Nuclear material

– mater ial that contains or is fertile for

 

fissionable (fissile) nuclear material.

 

Nuclear safety and

–

properties

of a

nuclear facility

that

482

security

determine the impossibility of a nuclear

 

accident.

Operator

–

an organization that has been

 

acknowledged to be fit to operate a nuclear

 

facility and handle NM.

Physical barrier

–

a physical impediment that ensures the

 

intruder delay.

Physical inventory

–

a list of the physical inventory of nuclear

listing

material showing the quantities thereof and

 

defined by the physical inventory taking.

Physical inventory

–

determination of the physical inventory of

taking

nuclear material by measurements.

Physical protection – a system of organizational, administrative system and legal arrangements and engineered features intended to ensure physical protection of NM and nuclear facilities at a

nuclear site.

Protected area – the nuclear site area surrounded by physical barriers subject to continuous guarding and surveillance, the access to which is limited and controlled.

Random test of – control of NM in which the conclusion is NM made based on results of a random sampling

from the overall quantity of items.

Reference NM – a specimen of NM characteristics whereof have been determined with the specified accuracy intended to test instruments and measurement techniques.

Reports – documents containing NM data and

483

submitted to superior, inspecting and/or supervising authorities.

Representative – a sample taken from NMcontaining sample articles with definite typical characteristics

for the collection of such articles.

Sabotage

–

any deliberate act directed against NM,

 

nuclear facilities, NM storage points or NM

 

carrying vehicles and transport nuclear

 

facilities which could directly or indirectly

 

lead to an accident and endanger human

 

health by exposure to radiation and

 

radioactive

contamination

of

the

 

environment.

 

 

 

Safety of NM

–

conditions

that exclude

unauthorized

 

activities with NM.

 

 

Sampling

–

selection of NM samples according to a

 

particular rule.

 

 

 

Seal

–

a device designed for indication of tamper

 

by identifying integrity thereof.

 

 

Security alarm

–

a collection of detection monitors, call

system

alarms and the data acquisition collection,

 

processing and display system in the PPS.

 

Shipper/receiver

–

the difference between the NM quantity

difference

stated by the shipper (certificate data) and the

 

quantity received by the receiver as

 

established by verifying measurements.

 

Significant

–

the quantity of NM with respect to which

quantity

no probability of a nuclear explosive to be

484

created, with regard for any conversion process, can be excluded.

Special non-

–

material that does not contain NM or is not

nuclear material

fertile, but can be used in nuclear explosives.

Stratum

– a collect ion of individual items or batches

 

of NM with similar or close physical and

 

chemical characteristics.

Supervision of the

–

a form of control to verify the compliance

NM accounting

with the established standards and rules of

and control system

NM accounting and control.

System of

–

a system intended for timely obtainment of

accounting for and

confident information on presence, location,

control of NM

quantity and use of NM, as well as for timely

 

detection of unauthorized use of NM.

Tamper indicating

–

a device designed to detect unauthorized

device

access to nuclear material (seals).

Theft of NM

–

unauthorized removal and movement of

 

NM to beyond the protected area.

Transfer of NM

–

procedures of NM measurements and

 

formalization of accounting records during

 

NM movement from the shipper to the

 

receiver.

Two (three) person –

a form of surveillance with mutual

rule

observation beteen two or three NM co-

 

handlers.

Unauthorized

– access without a documented right to same.

access

 

 

485

Источник: https://studfile.net/preview/16708779/

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