Mirion Technologies
Mirion Technologies Radiation Detection
Mirion Technologies offers a wide range of products and services for protecting people, property and the environment from the hazards of ionizing radiation across the nuclear power, military and civil defense, healthcare and homeland security industries. RADOS and MGP Instruments are currently utilized worldwide in nuclear industry facilities, military and civil defense agencies, hospital and medical facilities and other specialized industries. A global presence and commitment to research are unmatched in the industry – one more reason why Mirion is the clear choice for high-hazard detection, measurement and protection solutions.
In partnership with our customers in nuclear power plants, military and civil defense agencies, hospitals, universities, national labs, and other specialized industries, Mirion Technologies strives to deliver cutting edge products and services that constantly evolve based on the changing needs of our customers. Combining state-of-the-art technology with exceptional customer service, Mirion Technologies is dedicated to providing an unmatched experience in radiation detection and instrumentation.
Quick Index
Dosimeters and Readers
RAD-60 Personal Electronic Dosimeter
Excerpt - The RAD-60 Personal Alarming Dosimeter is a precise and reliable instrument for monitoring radiation exposure ensuring the personal safety of the user. The RAD-60 is used for all forms of radiation exposure monitoring including by those subject occupational radiation monitoring and first responders. It is easy to use the instrument that is ideal for any individual who wishes to monitor and track his personal radiation exposure due to a nuclear accident or the unexpected release of radiation.
More InformationDMC3000
Excerpt - The DMC 3000 Personal Electronic Dosimeter represents 25 years of refinement in electronic dosimetry. It features superior gamma and X-ray energy response, programmable alarms with visual LED, audible, and vibrating alarm indicators, simple 2-button navigation, and the ability to be fitted with a complete line of attachable external modules that expand the detection and communications capabilities of the dosimeter.
More InformationDMC3000 Beta Module
Excerpt - The add-on Beta Module attaches to the DMC 3000 dosimeter and provides Hp(0,07) with a wide range of beta radiation measurement. The Hp(0,07) and beta measurement, display and alarms are higly visible on the DMC 3000’s high contrast and backlit LCD display and LEDs. Powered by the DMC 3000 for 2000 hours of use.
More InformationDMC-2000GN
Excerpt - The DMC 2000GN takes advantage of a unique licensed neutron detection technology based an large single diode. The full energy range of thermal, intermediate and high energy neutrons is covered with high sensitivity and escellent gamma rejection, tested to 6 MeV. In addition, a gamma section identical to the proven solution of the DMC 2000 S, allows measurement of gamma dose from 50 keV to over 6 MeV with unique linearity to over 10 Sv/h.
More InformationDMC3000 Neutron Module
Excerpt - The add-on Neutron Module attaches to the DMC 3000 dosimeter and provides a wide range of Hp(10) Neutron radiation measurement. The Hp(10) Neutron measurement, display and alarms are highly visible on the DMC 3000’s high contrast and backlit LCD display and LEDs. The Neutron module is powered by the DMC 3000 for 2000 hours of continuous use.
More InformationDMC3000 Telemetry Module
Excerpt - The add-on Telemetry Module attaches to the DMC 3000 dosimeter and allows transmission of a worker’s radiological data to the WRM2 base station and software for remote monitoring. The Telemetry module also allows for additional connected accessories like the heart rate monitor and alarm enhancments. Supplemental power allows for 40+ hours of continuous use.
More InformationInstadose 2 Radiation Dosimeter
Excerpt - Instadose2 dosimetry is a smarter radiation monitoring platform that is simplifying administration, reducing costs and transforming how staff are monitored and safeguarded from radiation over-exposure. Instadose2 wirelessly captures, transmits, measures, analyzes, and reports radiation dose exposure anytime, as often as needed. Instant measurement results, along with smarter tracking and reporting of current and long-term dose exposure, make administration and compliance easier.
More InformationInstadose+Personal Digital Radiation Dosimeter
Excerpt - The Instadose+ dosimeters use Bluetooth Low Energy (BLE) Technology to transmit dose data. The following communication devices are used to capture reads from Instadose+ badges that are within range; Smart devices with BLE technology with the Instadose app installed, PCs with an InstaLink-USB connected and InstaLink Hotspot Stations.
More InformationSOR Tactical Dosimeter
Excerpt - The SOR was designed and developed as a tactical, durable and versatile dosimeter. An important feature of the SOR Line is its ability to meet the needs of various applications with one product. Given its multi-detector architecture, the measurement range covered is broad, and includes high level gamma and neutron dose rates as well as low level radiations (L.L.R).
More InformationADR-1 RAD-60 Dosimeter Reader
Excerpt - The ADR-1 Reader Head is designed to read and manage RAD-60/62 series electronic dosimeters in a modern PC environment. It is designed to configure the RAD-60 dosimeters when used with ADR-1/50 Dosimeter Configuration software. The ADR-1 can be customized to use with keypads and bar code readers.
ADR-1 RAD-60 Dosimeter Reader
Excerpt - The ADR-1 Reader Head is designed to read and manage RAD-60/62 series electronic dosimeters in a modern PC environment. It is designed to configure the RAD-60 dosimeters when used with ADR-1/50 Dosimeter Configuration software. The ADR-1 can be customized to use with keypads and bar code readers.
LDM 320 Dosimeter Readers
Excerpt - The LDM 320D and LDM 320W are compact and low-cost dosimeter readers. The LDM 320D and LDM 320W readers operate using software packages installed on a computer (PC) and communicate with the DMC 3000 dosimeters as well as the older DMC 2000 and SOR families in a hands-free data exchange mode.
More InformationDosimeter Holders
Excerpt - Dosimeter Holders - Padded Nylon with Clear Display Cover and Leather. Provides safety and security for your investment - holders provide an extra layer of protection when dropped, protecting both the case and display. Realize substantial savings on clip replacement and dosimeter repairs. Experience less 'down-time' - the unique design allows for secure connection to a lanyard, belt or grommet.
More InformationDBR-2
Excerpt - The DBR-2 Dosimeter Reader will display the deep and shallow doses stored in a local buffer memory of the DIS-1 badge. Just plug the DIS-1 Dosimeter Badge into the simple-to-use DBR-2 Dosimeter Reader and in a couple of seconds the Hp(10) and Hp(0.07) doses are shown on the display and stored in a local buffer memory. The instant reading capability allows the user to control his/her dose on a daily basis and makes the monthly or quarterly change of the dosimeter unnecessary. The control period can be indefinite (in excess of a year), because the dose readings can be transmitted via electronic method rather than physically sending the badge away for reading and recording of official doses.
More InformationRing Dosimetry
Excerpt - Ring Dosimeters are perfect for those who handle radioisotopes or perform interventional radiographic procedures. Ring dosimeters provide accurate readings for the radiation you are receiving. By regularly reviewing Dose Exposure Reports you’ll be able to monitor radiation levels and limit the amount of exposure to your extremities.
More InformationGenesis TLD
Excerpt - The Genesis line of TLD dosimeters offers improved performance and superior user factors. Both the Genesis and Genesis Ultra TLDs respond accurately to beta, gamma, X-ray and neutron radiation. The response of each element is corrected by the application of its own unique element correction factor. Both TLDs allow for the reporting of deep, lens of eye and shallow doses.
More InformationEDIS-1
Excerpt - A more environmentally robust unit, the EDIS-1 is a Direct Ion Storage Dosimeter offering an alternative to TLD or film dosimeter. Due to its ion chamber based design, it has a flat energy response. Also, it is not microphonic or susceptible to EM or RF interference (problems inherent in some other types of dosimeters). Combined these properties to its ability in operating in pulsed fields and at high dose rates makes the EDIS-1 an ideal device for wide variety of radiation dosimetry applications.
More InformationDIS-1
Excerpt - DIS-1 is a Direct Ion Storage Dosimeter offering an alternative to TLD or film dosimeter. Due to its ion chamber based design, it has a flat energy response. Also, it is not microphonic or susceptible to EM or RF interference (problems inherent in some other types of dosimeters). Combined these properties to its ability in operating in pulsed fields and at high dose rates makes theDIS-1 an ideal device for wide variety of radiation dosimetry applications.
More InformationLDM 2000
Excerpt - The LDM 2000 wireless interface reader for the DMC 2000 family of electronic dosimeters It memorizes 2000 access control actions.
LDM 210
Excerpt - The LDM 210 reader operates using software packages installed on computer (PC) and communicates with the dosimeters of the DMC 2000 and SOR family in pass-by data exchange mode with no directional alignment required.
More InformationLDM 220
Excerpt - The LDM 220 reader operates using software packages installed on computer (PC) and communicates with the dosimeters of the DMC2000 and SOR family in pass-by data exchange mode.
More InformationDMC-2000xb (Beta)
Excerpt - The DMC 2000 Obsolescence Process Begins - The DMC 2000 XB simultaneously measures, stores and displays both deep dose equivalent Hp(10) and shallow dose equivalent Hp(0.07). It features a flat response over all practical X-rays and gamma rays range and a unique beta range, down to the theoretical limit of penetration, including Co60 beta, major threat in plants. The unit's top mounted LCD clearly displays dose or dose rate for shallow or deep dose equivalent.
More InformationDMC-2000s
Excerpt - The DMC 2000 Obsolescence Process Begins - The DMC 2000s is a compact, rugged, and economical operational dosimeter in the nuclear industry for personnel working with ionizing radiation sources. It can can be used in autonomous mode or integrated into a dosimetry system for shared or individually-assigned use. Audible and visual alarms, detection self-test, commercially-available battery, remote dosimetry & extremity measurements; can also be used as an area monitor.
More InformationDMC-2000x
Excerpt - The DMC 2000 Obsolescence Process Begins - The DMC 2000x measures, stores and displays deep dose equivalent Hp(10). It features a flat response over all practical X-rays and gamma rays range. The unit's top mounted LCD clearly displays dose or dose rate for deep dose equivalent.
More InformationDosiFFR Software
Excerpt - The DosiFFR dosimeter management software application enables users to manage dosimeter, personnel and exposure data. The single workstation system provides for straightforward log -in/log-out of personnel and the configuration of DMC2000, SOR and DMC3000 electronic self-reading dosimeters. It is ideal for use in the field and in a limited user environment where quick instrument issue and return is a necessary and significant feature.
More InformationDosiServ Software
Excerpt - The DosiServ software is a Windows based stand-alone or enterprise application for dosimeter, personnel and exposure management. Through the easily maintained single database, DosiServ manages exposure data across a large or small population of dosimeters. DosiServ also organizes and maintains work permits, tasks, worker qualifications and health physics equipment.
More InformationPersonal Radiation Detector
Mirion AccuRad PRD
Excerpt - The Mirion AccuRad PRD is a discreet yet robust Personal Radiation Detector. It has been designed for law enforcement, fire rescue, and other emergency responders to detect and interdict nuclear and radioactive materials. It also provides dose measurement and alarming capabilities for event response. The AccuRad PRD is the first PRD developed in close collaboration with state and federal law enforcement and emergency responders. The AccuRad was designed to fit seamlessly into their routines and address the most critical, in-the-field needs from a radiation detection device.
More InformationCANBERRA – Mirion UltraRadiac Plus
Excerpt - The potential threat of a radiological terrorism incident requires that first responders are equipped with a radiation monitor that is designed to address the radiation hazards they may face. The UltraRadiac-Plus is the perfect unit for first responders as it offers the small size and light weight needed to avoid interference with critical work while providing continually updated information to the user.
More InformationFC2B Calibration Verification Device
Excerpt - Users of the FC2B Calibration Verification Device can now field check calibration of their own UltraRadiac units, saving both time and money. Like most electronic devices, the UltraRadiac requires periodic calibration checks to maintain proper function. UltraRadiac users may wish to avoid the cost associated with factory calibration checks.
More InformationHand-Held Survey Instruments
RDS-80 Handheld Radiation Detector
Excerpt - The Rados RDS-80 Radiation Detector and Contamination Monitor is a surface contamination meter that is rugged and easy to use and displays in Bq/Cm2 and CPS. It is also suitable for use in the nuclear industry, emergency response, interdiction operations or any environment where the possibility exists for abnormal contamination levels to be present. The unit combines contamination detection measurement with alarm functions and automatic conversion to activity values. Additionally, there is a surface contamination measurement histogram stored in the meter’s internal memory (external accessories required for downloading the data into a PC via IrDA port).
More InformationRDS-80A Handheld Radiation Detector
Excerpt - The Rados RDS-80A Radiation Detector and Contamination Monitor is a handheld and rugged surface contamination instrument for radiation detection applications. It is suitable for use in the nuclear industry, emergency response, interdiction operations or any environment where the possibility exists for abnormal contamination levels to be present. Additionally, there is a surface contamination measurement histogram stored in the meter’s internal memory (external accessories required for downloading the data into a PC via IrDA port).
More InformationMirion RDS-32 Radiation Survey Meter
Excerpt - The RDS-32 Survey Meters are small handheld, battery operated radiation survey instruments. Due to its versatile functions and durability it is suited for a wide range of applications in civil defense, industrial use, nuclear power plants, laboratories, etc. The meter features excellent ergonomics; lightweight and easy handling, with visual, audible, and vibration functions. Each meter includes an additional battery cover with belt clip to make it wearable, freeing the user’s hands to focus on their primary job.
More InformationMirion RDS-31 Modular Radiation Survey Meter
Excerpt - RDS-31iTx/iTxSD meters are small handheld, battery operated survey instruments using an energy compensated GM-tube or PIN diode as primary detector. Due to its versatile functions and durability it is suited for a wide range of applications in civil defense, industrial and laboratory use etc. It helps in making real time decisions quickly, providing real time survey data. It also reduces critical work time and most importantly enhances safety and ALARA procedures.
More InformationRDS-30 Handheld Radiation Detector
Excerpt - The Mirion/Rados/CANBERRA RDS-30 Radiation Survey Meter is a versatile gamma radiation detector which has been designed for a wide range of applications involving a possibility for abnormal radiation levels. Compact, lightweight, waterproof, it’s performance and it’s user friendly interface make the RDS-30 perfectly suited to radiation survey in field conditions as in nuclear industry or for protection against radiological hazards.
More InformationGMP-25 EXTERNAL PROBE
Excerpt - The GMP-25 external probe enhances the detection capability of RADOS RDS-31 meter family. It has been designed to fulfill the most demanding applications in the nuclear industry, security and industrial use. The GMP-25 is intended for monitoring alpha, beta, gamma and X-ray radiation. The GMP-25 is used as an external detector with the RDS-31/iTx/iTxSD multi-purpose meters, especially for surface contamination monitoring and source localization applications.
More InformationGMP-11-3 EXTERNAL PROBE
Excerpt - The GMP-11-3 probe is intended for monitoring alpha, beta, gamma and X-ray radiation mainly in surface contamination monitoring applications. The GMP-11-3 is used as an external probe for the RDS-31S/R Multi-Purpose Survey Meter.
More InformationGMP-12-3 PROBES
Excerpt - These External Probes enhance the detection capability of the RDS-31 survey meter. The GMP-12-3, GMP-12H-3 and GMP-12L-3 probes are intended for monitoring gamma and X-ray radiation. They have been designed to fulfill both the civil defense and industrial applications requirements.
More InformationGMP-12SD-UW PROBES
Excerpt - The GMP-12SD/12UW represent the new design of Mirion external probes. The casing with 35 mm diameter enables the probe re-calibration with most common calibration units. This external probe enhances the detection capability of Mirion RDS-31 meter family. They have been designed to fulfill the most demanding applications in nuclear industry, HLS & civil defense and industrial use. The GMP-12SD/12UW probes are intended for gamma and Xray radiation. The measured quantity is the H*(10) ambient dose rate equivalent.
More InformationRDS Probes
Excerpt - Optional probes available for the RADOS RDS 200/110 Survey Instruments are a range of GM Tube-based external probes for gamma and beta contamination measurement. These probes simply plug into the base of the unit and are automatically set up for the relevant measuring range and unit.
More InformationRDS-200
Excerpt - The Rados RDS-200 has been discontinued and new models are no longer available for delivery. LAURUS will continue to support these instruments and can suggest suitable replacements and similar devices.
More InformationQuickSweep
Excerpt - The QuickSweep™ wall and floor monitor is a portable contamination monitor designed to detect alpha or beta radiation. The operational applications are in the radiation protection of buildings in controlled areas, isotope laboratories or nuclear activity research plants.
More InformationMicroCont II
Excerpt - The RADOS MicroCont II is designed for the monitoring of alpha-beta contamination. It can also be configured to measure beta or gamma contamination. External detectors can be connected with the optional adapter plate. The large multifunctional display, which can be illuminated, is easy to use and to operate.
More InformationTelepole II
Excerpt - The Telepole II is a wide range telescopic survey meter with a measuring range of between 0.05 mR/h to 1000 R/h. It features the same length pole as it’s predecessor, reaching 11 feet when fully extended. Combined with an integrated LED in the detector head, the Telepole II makes it easier than ever to survey components in dark or dimly lit areas.
More InformationIsotope Identification
SPIR-Pack Backpack Radiation Detector
Excerpt - The SPIR-Pack is a backpack based radiation detection system which provides an intermediate sensitivity between the handheld SpiR-ID (RIID) and the SPIR-Ident Mobile system (vehicle/ vessel/ aircraft detection and identification system). The SPIR-Pack can discreetly identify radioactive sources in a large perimeter. The SPIR-Pack can also pinpoint areas that are crowded or hard to cross with a vehicle (stadiums, train stations, airports, buildings, etc.). It is well-suited to source search operations.
More InformationSPIR-Ident Mobile Platform
Excerpt - The SPIR-Ident Mobile Platform is an airborne and carborne system that combines advanced gamma detection and spectroscopy with optional neutron detection suited for vehicles, ships, helicopters and aircraft. The SPIR-Ident Mobile Platform is composed of Detector boxes with NaI(Tl) crystals of different sizes, GM detector for high gamma dose rate measurements, and optionally BZnS based neutron detectors with the associated electronics.
The computer equipped of SPIR-Ident Mobile Suite: SpirMOBILE, SpirPORTAL Optionally connection/accessory box for batteries, connection and communication.
The system has been designed for multiple applications:
SPIR-View Software
Excerpt - The SpirVIEW Mobile software is designed for organizations and agencies responsible for monitoring and preventing nuclear and radiological terrorist threat. The SpirVIEW Mobile system manages monitoring of large scale events such as sport venues, conferences, conventions, critical infrastructure and more, providing area safety. Emergency response crisis centers will also benefit from direct communication with the Field Monitoring Teams (FMTs), for tasks like plume monitoring, mapping of exclusion areas, sampling, or ground contamination surveys.
Compatible with:
SPIR-Ace
Excerpt - The SPIR-Ace is a versatile Radionuclide Identification Device (RID) addressing all applications requiring efficient detection and identification of radiological threats in security applications, including civil defense, border security and customs. The SPIR-Ace offers identification performance beyond current standards for RIDs such as for heavily shielded isotopes, unbalanced mixtures of nuclides and Special Nuclear Material (SNM) masked by medicals or Naturally Occurring Radioactive Material (NORM) within a few seconds.
More InformationSpiR-ID LT
Excerpt - The SpiR-ID LT is an advanced RadioIsotopic Identifier (RIID); its “on-the-fly” identification capability makes it the fastest and most effective handheld instrument on the market for interdiction and inspection missions. The SpiR-ID LTs performance exceeds all current RIID standards (ANSI N42.34 and IEC 62327) for criteria such as identifying heavily shielded sources, unbalanced mixtures of nuclides, and Special Nuclear Material (SNM) that’s masked using medical or Naturally Occurring Radioactive Materials (NORM).
More InformationPortal and Area Monitoring
XL-MED Hand/Foot Monitor
Excerpt - The HandFoot-Fibre™ monitors are used for contamination screening of hands, feet and cloths for alpha, beta and gamma radiation in circumstances which do not require a full body monitor. The monitors are also well-suited for mobile contamination screening. Two versions are available: HandFoot-Fibre™ XLwith optional alpha discrimination for the use in all nuclear environments and HandFoot-Fibre™ MED which features a particularly high sensitivity for nuclides used in medical applications.
More InformationSPIR-Detect
Excerpt - The SPIR-Detect is a new concept for site or critical infrastructure protection against radiological threat, like intrusion of special nuclear materials (SNM) or radiological dispersion devices (RDD). Based on a network of sensitive gamma/neutron detectors, that can be mobile, or permanently or temporary installed, the system features a discrete and centralized survey of access points, inside buildings or outside. SPIR-Detect is the perfect solution for people or luggage checking in airports, railway stations and in sensitive places during special events (e.g. sports or cultural).
More InformationiMatic Alpha/Beta Counter
Excerpt - The iMatic system is a firmware based, automatic, low background, gas-less alpha /beta counter designed specifically for the analysis of air filters and smear or swipe samples. The iMatic system discriminates both radon isotopes and their progeny from transuranic and fission product materials on the samples. It uses a solid state silicon PIPS detector for alpha and beta detection; can be operated continually for over six hours with internal batteries and is totally self contained. The iMatic system represents a major technological breakthrough in air filter analysis
More InformationSPIR–Ident Vehicle Portal
Excerpt - For the Identification of gamma sources and SNM material in vehicles and containers. The SPIR–Ident Vehicle Portal is the most advanced detector of the SPIR family, and a new concept for site or critical infrastructure protection against radiological threats, such intrusion of special nuclear materials (SNM) or radiological dispersion devices (RDD). The SPIR-Ident vehicle portal is intended for secondary screening as a compliment to plastic scintillation-based detection portals. The SPIR-Ident provides a cost and performance effective solution and alternative to dynamic «ASP’s» for vehicles and containers.
More InformationRTM 910
Excerpt - The RTM 910 is a flexible system for the monitoring of vehicles, packages and people for radioactive materials and contamination under all environmental conditions. It is based on proven modules using the most modern technology, assuring accurate and reliable results. The RTM 910 was also designed for simple and easy use and maintenance. Installation can be performed without any special training or knowledge and the instructions are supported by computer software. System operation is also computer-controlled and user-friendly.
More InformationSPIR-EXPLORER SENSOR
Excerpt - The SPIR-Explorer sensor is a lightweight radiation detector designed to be mounted on a UAV/Drone or UGV/Robot for a wide range of applications where radiation detection, measurement, and nuclide identification is needed. This includes environmental surveys, military reconnaissance, Radiological Dispersal or Exposure Device (RDD or RED) detection, hospitals/industry fire hazards, nuclear power plant emergency response.
More InformationSPIR-Ident
Excerpt - The SPIR–Ident Vehicle Portal is the most advanced detector of the SPIR family, and a new concept for site or critical infrastructure protection against radiological threats, such intrusion of special nuclear materials (SNM) or radiological dispersion devices (RDD). The SPIR-Ident vehicle portal is intended for secondary screening as a compliment to plastic scintillation-based detection portals. The SPIR-Ident provides a cost and performance effective solution and alternative to dynamic «ASP’s» for vehicles and containers.
More InformationRDS-31 AM Area Monitor
Excerpt - The RDS-31 AM Area Monitor was designed as an ALARA Tool for long term use in Locked High Rad Areas, to reduce entries and thus save time and dose. The concept for this product came from a need by a utility to monitor dose rates in steam affect Locked High Rad areas for a full 2 year fuel cycle utilizing battery power. The new SD version of the RDS-31 is expected to be able to transmit data twice a minute for a period of two years in dose rate of up to 1R/hr on battery power provided (without alarms).
More InformationDRM-3000 Area Monitoring System
Excerpt - The DRM-3000 Data Radiation Monitoring System - Area monitoring system used for multiple applications including refueling, waste processing, calibration, medical isotope production, and radiation sterilizations.
More InformationAMP 50
Excerpt - The AMP-50 provides real-time remote radiological monitoring. Local readout of hand-held meter allows for use as a portable survey instrument. The AMP-50 is designed specifically to be used in medium to low dose rate fields. The AMP-50 features linear response from 10 μR/h to 4 R/h (0.1 μSv/hr to 40 mSv/hr).
More InformationAMP 100
Excerpt - The AMP-100 provides real-time remote radiological monitoring. Local readout of hand-held meter allows for use as a portable survey instrument. The AMP-100 is designed specifically to be used in high dose rate fields. The AMP-100 features linear response from 0.5 mR/h to 1000 mR/h (0.5 msv/hr to 10 sv/hr).
More InformationAMP 200
Excerpt - The AMP-200 provides real-time remote radiological monitoring. Local readout of hand-held meter allows for use as a portable survey instrument. The AMP-200 is designed specifically to be used in high dose rate fields. The AMP-200 features linear response from 5 R/hr to 10,000 R/hr (0.5 msv/hr to 100 sv/hr).
More InformationEDAC 21 Criticality Accident Alarm System (CAAS)
Excerpt - Criticality Accident Alarm Systems (CAAS) are required in nuclear facilities where an accidental criticality excursion could result from operational processes. In general, most production-oriented nuclear fuel cycle facilities require a CAAS system because the fissile material is managed in quantities that exceed critically-safe mass limits.
More Information