Regulatory bodies that oversee radiation safety include the International Atomic Energy Agency (IAEA), International Commission on Radiological Protection (ICRP), International Commission on Radiation Units and Measurements (ICRU), Food and Drug Administration (FDA) in the US, National Council on Radiation Protection and Measurements (NCRP) in the US, and the Atomic Energy Regulatory Board (AERB) in India. These bodies establish standards and guidelines for safe use of radiation, authorize practices involving radiation sources, inspect facilities, and provide recommendations to ensure radiation protection and safety.
radiation regulatory bodies. ( international + indian )akshayonslideshar
Radiation is harmful . right ? but who is looking after that it is being used in correct manner in hospitals .I have tried to write about some international and indian regulatory bodies.
All medical personnel share same thing in common, they all serve the patients. no one of them is entirely independent of others. the patient is a reason for existence in whole organisation. hence, the duty of RADIOGRAPHER must be seen in relation to the patient in particular and hospital as a whole.
this slide sharer contents are basic principle of CT fluoroscopy , software and hardware parts of equipment and image aqua cation and radiation dose comparison and videos related to equipment .
radiation regulatory bodies. ( international + indian )akshayonslideshar
Radiation is harmful . right ? but who is looking after that it is being used in correct manner in hospitals .I have tried to write about some international and indian regulatory bodies.
All medical personnel share same thing in common, they all serve the patients. no one of them is entirely independent of others. the patient is a reason for existence in whole organisation. hence, the duty of RADIOGRAPHER must be seen in relation to the patient in particular and hospital as a whole.
this slide sharer contents are basic principle of CT fluoroscopy , software and hardware parts of equipment and image aqua cation and radiation dose comparison and videos related to equipment .
Quality Assurance Programme in Computed TomographyRamzee Small
Introduction to Computed Tomography
Basic description of the components of a CT System
Introduction to Quality Assurance
Quality Assurance and Quality Control Tests in Computed Tomography base on frequency
Objective of QA/QC Test
This power-point presentation is very important for radiology resident radiologist and radiographers and technician. this includes principles, technique , biological effects of radiation and how to protect, whats should normal radiation dose with latest update. This slide also includes ALARA PRINCIPLE thanks.
Quality Assurance Programme in Computed TomographyRamzee Small
Introduction to Computed Tomography
Basic description of the components of a CT System
Introduction to Quality Assurance
Quality Assurance and Quality Control Tests in Computed Tomography base on frequency
Objective of QA/QC Test
This power-point presentation is very important for radiology resident radiologist and radiographers and technician. this includes principles, technique , biological effects of radiation and how to protect, whats should normal radiation dose with latest update. This slide also includes ALARA PRINCIPLE thanks.
QUESTIONS & ANSWERS FOR QUALITY ASSURANCE, RADIATIONBIOLOGY& RADIATION HAZARD...Ganesan Yogananthem
Dear B.Sc MIT Students,
Attached is an essential document featuring comprehensive Questions & Answers for Quality Assurance, Radiation Biology, and Radiation Hazards. We encourage you to utilize this resource to deepen your understanding and excel in your studies. Wishing you all the success in your academic endeavors and future careers.
Best regards,
Instrumentation Writing Assignment
Word Limit: 2000
Unit Learning Outcomes assessed:
1. Explain and assess the basic design and practical working conditions of alternate imaging instruments employing radiation for appropriate use in regard to maximising clinical utilisation and minimising radiation and electromechanical risks
2. Critically assess the safe working conditions of specialised instruments in regard to radiation protection, electromechanical safety, appropriate regulations or standards
3. Implement and evaluate a basic quality assurance program on specialised x-ray imaging equipment to ensure accurate and safe outcomes
The purpose of this writing assignment is to encourage students to apply the knowledge of safe operation of specialised X-ray imaging equipment learnt from the unit into the clinical workplace. The safe operation of equipment encompasses the aspects of radiation protection, electromechanical safety and clinical utilisation in compliance with appropriate regulations and standards. Awareness and practice of safe operation are crucial in imaging practice. Infringement may lead to serious issues such as injury and even death. Quality Assurance (Q A) program is one way to minimize the likelihood of occurrence of such issues (Option 1). Another preventive measure is education to increase practitioners’ awareness and knowledge (Option 2).
Some students may have difficulties to get access to specialised X-ray imaging equipment during clinical placement / semester. In this situation, you can select Option 2. In this option, students are required to identify a particular X-ray imaging system (e.g. manufacturer A – model YYY mobile X-ray machine) through different manufacturers’ websites (some examples are given below) and develop a safe operation guide for it. The identified system must be within the ranges of systems for portable / mobile radiography, tomography, fluoroscopy, mammography and angiography. The main purpose of this guide is to educate practitioners the safe operation principles of a particular system. The following is the list of required contents for Option 2.
1. Introduction
• Provide relevant details (e.g. manufacturer, model, type, etc.) of the chosen system (only one is required)
• Suggest necessity of a safe operation guide for the chosen system
• N.B.: You can obtain relevant details of an imaging system from its manufacturer’s website, for example:
Carestream Health (http://www.carestreamhealth.com)
Fujifilm Corporation (http://www.fujifilm.com/products/medical/)
GE Healthcare (http://www.gehealthcare.com)
Gendex Dental Systems (http://www.gendex.com)
Koninklijke Philips Electronics N.V. (http://medical.philips.com)
Siemens AG. (http://www.medical.siemens.com)
Toshiba Corporation (http://www.medical.toshiba.com)
2. Safe Operation Details
• Provide necessary radiation protection measures in relation to the features of the chosen system
• Provide necessary measures for safeguarding elect.
It has been concluded that the management of radiation accidents is a very challenging process and that nuclear medicine physicians have to be well organized in.
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
263778731218 Abortion Clinic /Pills In Harare ,sisternakatoto
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Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
2. WHAT IS A REGULATORY BODY?
• Regulatory body (Regulatory authority,Regulatory
agency) is a public authority or government agency
responsible for exercising autonomous authority
over some area of human activity in a regulatory or
supervisory capacity
3. FEATURES OF RADIATION REGULATORY
BODIES
• A regulatory authority be established by the
government to regulate the conduct and
introduction of any practice involving sources of
radiation.
• Regulatory authority must be independent of
registrants,licensees,designers and constructors
of radiation sources used in practices.
4. • The effective separation of responsibilities
between the junctions of regulatory authority
and those of any other party is to be made clear
so that the regulators retain their independence
of judgement and decision as safety authorities.
• A single regulatory authority is responsible for all
aspects of radiation protection and safety in a
country.
• In some countries, regulatory responsibility for
different aspects of radiation protection and
safety may be divided between different
authorities
5. FUNCTIONS OF RADIATION
REGULATORY BODIES
• Assessment of applications for permission to
conduct practices pertaining to radiation exposure.
• Authorisation of practices involving radiation and
sources involved.
• Conduct of periodic inspections
• Quality assurance
• Assessing effectiveness of radiation protection and
safety measures for each authorized practice.
8. Autonomous organization
Established independent of United Nation through
its international treaty on 29 July 1957.
Total member countries =171 ( As of February 2019)
Director General : Mr.Yukiyo Amano (JAPAN)
Headquarters : Vienna,Austria
India joined in 1957 as a permanent member of
IAEA
“Safe,secure and peaceful uses of nuclear sciences
and technology”
9. INTERNATIONAL COMMISSION ON
RADIOLOGICAL PROTECTION (ICRP)
• An independent, international organization that
advances for the public benefit the science of
radiological protection, in particular by providing
recommendations and guidance on all aspects of
protection against ionising radiation
• A charity (not-for-profit organisation) registered
with the Charity Commission of England and Wales
• A community of more than 250 globally-recognised
experts in radiological protection science, policy,
and practice from more than 30 countries
• HEADQUARTERS : Ottawa, Canada.
10. • CHAIRPERSON : Dr.Claire Cousins (England)
• ICRP was established in 1928 at the second
International Congress of Radiology to respond to
growing concerns about the effects of ionizing
radiation being observed in the medical
community.
• At the time it was called the International X-ray
and Radium Protection Committee (IXRPC), but
was restructured to better take account of uses of
radiation outside the medical area and given its
present name in 1950.
11. ICRP WORKING
• Committee 1: RADIATION EFFECTS
- Stochastic effects
- Deterministic effects
• Committee 2: DOSES FROM RADIATION EXPOSURE
- Dose coefficients
- Reference biokinetic and
dosimetric models
- Reference data for workers &public
12. Committee 3 : PROTECTION IN MEDICINE
- Persons,unborn children
- Medical diagnosis , therapy or
for bio medical research
- Medical consequences of
accidental exposure
Committee 4 : APPLICATION OF COMMISSION’S
RECOMMENDATIONS
Committee 5 : PROTECTION OF ENVIRONMENT
13. INTERNATIONAL COMMISSION ON
RADIATION UNITS AND
MEASUREMENT(ICRU)
Standardization body setup in 1925 by
International Congress of Radiology,originally as
X-ray unit committee until 1950.
Objective: “Develop concepts,definitions and
recommendations for use of quantities and
their units for ionisation radiation and its
interaction with matter,in particular with
respect to biological effects induced by
radiation .“
14. • ICRU defines units and ICRP recommends,
develop and maintain international system of
Radiological Protection which uses these units.
15. FOOD AND DRUG ADMINISTRATION
(FDA)
• U.S FDA The Food and Drug Administration (FDA
or USFDA) is a federal agency of the United States
Department of Health and Human Services, one
of the United States Federal Executive
Departments.
• Individual states and other federal agencies
regulate the use of the x- ray imaging devices
through recommendations and requirements for
personnel qualifications , quality assurance and
quality control programs and facility
accreditation.
16. FUNCTIONS OF FDA
• The FDA conducts an ongoing products radiation
control program, regulating the design and
manufacture of electronic products, including
diagnostic x-ray equipment.
• Conducts onsite inspections of x-ray equipment,
especially mammography units to determine the level
of compliance with standards in a given x-ray facility .
• Compliance with FDA standards ensures protection of
occupationally and non-occupationally exposed
persons from faulty manufacturing.
17. CDRH
• The Center for Devices and Radiological Health
(CDRH) is the branch of the United States
Food and Drug Administration (FDA)
• Responsible for the premarket approval of all
medical devices, as well as overseeing the
manufacturing performance and safety of
these devices.
• The CDRH also oversees the radiation safety
performance of non-medical devices
18. “FDA-Cleared" vs "FDA-Approved"
• Clearance requests are for medical devices
that prove they are "substantially equivalent"
to the predicate devices already on the
market.
• Approved requests are for items that are new
or substantially different and need to
demonstrate "safety and efficacy“.
19. NATIONAL COUNCIL ON RADIATION
PROTECTION AND MEASUREMENTS
(NRCP)
• The National Council on Radiation Protection and
Measurements (NCRP. is a non government U.S
organization The Charter of the Council (Public Law
88-376) states its objectives as follows: “
To: Collect, analyze, develop and disseminate in the
public interest information and recommendations
about
20. (a) protection against radiation
(referred to herein as radiation protection)
(b) radiation measurements, quantities and units,
particularly those concerned with radiation
protection
(c) Provide a means by which organizations
concerned with the scientific and related aspects of
radiation protection and of radiation quantities, units
and measurements may cooperate for effective
utilization of their combined resources and to
stimulate the work of such organizations.
21. (d) Develop basic concepts about radiation
quantities, units and measurements, about the
application of these concepts, and about radiation
protection
(e) Cooperate with the international commission on
radiological protection, the federal radiation council,
the international commission on radiation units and
measurements, and other national and international
organizations, governmental and private, concerned
with radiation quantities, units and measurements
and with radiation protection."
23. • The CE mark, or formerly EC mark, is a mandatory
conformity marking for certain products sold within
the European Economic Area(EEA) since 1985.
• CE an abbreviation of Conformité Européenne,
meaning "European Conformity“
• CE marking indicates the compliance with EU
legislation of a product, wherever in the world
manufactured, and enables its free movement within
the European market.
25. • The Atomic Energy Regulatory Board
(AERB) was constituted on November 15, 1983
by the President of India by exercising the
powers conferred by Section 27 of the Atomic
Energy Act, 1962
• Mission of the Board :
To ensure that the use of ionising
radiation and nuclear energy in India does not
cause undue risk to health and the environment.
Currently, the Board consists of a full-time Chairman, an ex
officio Member, three part-time Members and a Secretary.
CHAIRMAN : SHRI. G NAGESWARA RAO
HEADQUARTERS : ANUSHAKTINAGAR, MUMBAI
26. FUNCTIONS OF AERB
1. Develop safety policies in nuclear, radiation and
industrial safety areas for facilities under its
purview.
2. Develop Safety Codes, Guides and Standards for
siting, design, construction, commissioning,
operation and decommissioning of different types
of nuclear and radiation facilities.
3. Grant consents for siting, construction,
commissioning, operation and decommissioning,
after an appropriate safety review and assessment,
for establishment of nuclear and radiation facilities.
27. 4) Prescribe the acceptance limits of radiation
exposure to occupational workers and members of
the public and acceptable limits of environmental
releases of radioactive substances.
5) Review the emergency preparedness plans for
nuclear and radiation facilities and during transport
of large radioactive sources, irradiated fuel and
fissile material.
6) Review the training program, qualifications and
licensing policies for personnel of nuclear and
radiation facilities and prescribe the syllabi for
training of personnel in safety aspects at all levels.
28. 7) Take such steps as necessary to keep the public
informed on major issues of radiological safety
significance.
8) Maintain liaison with statutory bodies in the country as
well as abroad regarding safety matters.
9) Promote research and development efforts in the
areas of safety.
10) Review the nuclear and industrial safety aspects in
nuclear facilities under its purview.
11) Review the safety related nuclear security aspects in
nuclear facilities under its purview.
12) Notifying to the public, the 'nuclear incident', occurring
in the nuclear installations in India, as mandated by the
Civil Liability for Nuclear Damage Act, 2010.
29. • AERB of India recommends and lays down
guidelines regarding the Specifications of
medical x-ray equipment
room layout of x-ray installation
work practices in x-ray department
protective devices
responsibilities of the radiation personnel,
employer and radiation safety officer (RSO).
30. REGULATORY CONTROL OF AERB
AERB is the regulatory control authority on
Approval of new models of x-ray equipment
and layout of any new proposed x-ray installation
Registration and commissioning of new x-ray
equipment
Inspection and decommissioning of x-ray
installation
Certification of a RSO and of service engineers and
imposing penalties on any person contravening these
rules
31. eLORA(e-Licensing of Radiation
Applications)
• eLORA is a web-based I&CT (Information and
Communication Technology) application establishing
direct communication channel between AERB and its
stakeholders for exchange of information and
communication transaction.
• A state of art e-Governance system, through
automation of regulatory processes associated with
the use of ionising radiation in India
32. COMPONENTS OF eLORA
To achieve business solution with
Security
Performance
Availability
Manageability and Maintainability
Scalability
33. ALARA PRINCIPLE
• ALARA (As Low As Reasonably Achievable) is a
safety principle designed to minimize
radiation doses and releases of radioactive
materials.
• ALARA is predicated on legal dose limits for
regulatory compliance, and is a requirement
for all radiation safety programs.
34. • To maintain doses As Low As Reasonably
Achievable, make sure staff follow these three
major safety principles:
• 1. TIME
• 2. DISTANCE
• 3. SHIELDING
35. DOSE LIMITS
• As per Rule 15 of the Atomic Energy (Radiation Protection)
Rules, 2001
General Guidelines
I.
The limits on effective dose apply to the sum of effective doses
from external as well as internal sources.
II. The limits exclude the exposures due to natural background
radiation and medical exposures.
III. Calendar year shall be used for all prescribed dose limits.
36. APPLICATION RADIATION WORKER
(mSv/year)
PUBLIC
(mSv/year)
EFFECTIVE DOSE
(BASED ON STOCHASTIC
EFFECTS)
30mSv/year
Dose of 20 mSv/yr averaged
over five consecutive years
(calculated on a sliding scale
of five years);
1mSv/year
EQUIVALENT DOSE
(BASED ON DETERMINISTIC
EFFECTS)
-LENS
-SKIN
-HANDS AND FEET
150mSv/year
500mSv/year
500mSv/year
15mSv/year
50mSv/year
50mSv/year
PREGNANT WOMEN 2 mSV after declaration of pregnancy upto term
N.B : For Trainees,the effective dose in any year shall not exceed 6mSv
42. INTERNATIONAL ELECTROTECHNICAL
COMMISSION (IEC)
• World’s leading organization that prepares and
publishes International Standards for all electrical,
electronic and related technologies Including
Medical electrical equipments.
• 83 members including India
• Serves world markets and society through its
"electro-technology".
• Promotes world trade and economic growth and
encourages the development of products, systems
and services that are safe, efficient and
environmentally friendly.
43. BUREAU OF INDIAN STANDARDS(BSI)
• The Bureau of Indian Standards (BIS) is the
national Standards Body of India working under
the aegis of Ministry of Consumer Affairs, Food &
Public Distribution , Government of India.
• For formulation of Indian Standards, BIS functions
through the Technical Committee structure
comprising of Division Councils, Sectional
Committees, Subcommittees and Panels.
• Division Councils are set up by Standards Advisory
Committee (SAC) in defined areas of industries
and technologies for formulation of standards.
44.
45. The manufacturers of diagnostic x-ray
machines in the country are directed that
each make/model of X-ray unit manufactured
by them shall bear certification mark of the
BIS issued by BIS upon demonstration of
conformance with IS: 7620 (1&2&3) .