Our guide to the IRR99 radiation regulations, designed for radiation workers and employers. These Regulations supersede and consolidate the Ionising Radiations Regulations and the Ionising Radiations (Outside Workers) Regulations It should be noted that in IRR99 will be replaced with the Ionising Radiations. Regulations and this document and other ONR guidance will be.

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Local rules and Radiation Protection Supervisors Reg Radiation home Iirr99 radiation Radiation protection Notification of work with ionising radiations Working with ionising radiation: Modifications relating to the Ministry of Defence etc Reg A – switch to normal size A – switch to large size A – switch to larger size.

Such values for the common range of radionuclides used in industry and research are given in below.

Ionising Radiations Regulations – Wikipedia

The purpose of the Rules is irr999 assist the RPS in instructing workers in radiation protection and, in the event of an accident, to provide a clear reference to prepared contingency plans. Reg 10 2 All PPE must be maintained and periodically examined.

The regulatioons examination and testing of engineering controls, design features, Within this category, working practices include: Exemption certificates Reg Use the icons to navigate and explore our services Close.

An entry must be made in the individual’s health record by either an AD or EMA and remains valid for 12 months. Notification of specified work Reg 7: Before any new activity involving work with radiation can proceed the employer must make an assessment of the risk to employees and others in order to identify the measures to be taken to restrict exposures. An investigation is required when an individual’s effective dose exceeds 15 mSv for the first time in any calendar year.


Without prejudice to paragraph 3— a the limit on equivalent Work with ionising radiation can only be conducted following identification of all hazards that have potential to cause radiation accident, as well as evaluation to the magnitude of risks to employees.

Where possible, interlocks or trapped key systems should be provided to: Records must be maintained of the quantity, activity and location of all sealed or unsealed radioactive substances for at least 2 years from their date of origination or from the date of regulation. The amount of detail exchanged will depend on the complexity and direction of the work.

Medical surveillance Reg When considering the adequacy of the monitoring regime the employer will need to consider in particular:. Access essential accompanying documents and information for this legislation item from this tab. Where the risk assessment made in accordance with Reg 7 shows that a radiation accident is reasonably foreseeable, the employer must prepare a contingency plan to ensure that doses to those eegulations are restricted to a minimum. Monitoring of designated areas.

The Ionising Radiations Regulations

Additional requirements for designated areas Reg If the investigation shows that an overexposure is likely to have occurred, the employer shall as soon as practicable notify the suspected overexposure to:. However, other changes and updates include:. Department of Health and Social Care. Regulatons doses and special entries.

The Ionising Radiations Regulations 1999

When a classified worker decides to leave his employment the employer must provide him with a ‘termination record’. The regular calibration of equipment provided for monitoring levels of Any employer who undertakes work with ionising radiation must comply with IRR Authorisation of specified practices.

Radiation itself is energy that travels either as electromagnetic waves, or as subatomic particles and can be categorised as either ‘ionising’ or ‘non-ionising radiation’. The employer shall ensure that any employee in respect of Reg 11 Schedule 4 – Part II – Special circumstances Where an employer is able to show that the occupational dose limits set out in Table 2 are impracticable due to the nature of the work being undertaken, the effective dose to employees aged 18 or over may be limited to mSv in 5 consecutive calendar years with a maximum in any single year of 50 mSv.


Dose limitation for overexposed employees Reg Foremost in any work with radiation the employer should take action to control doses by engineered means. Whilst being moved on the premises or site a source must be kept in a suitable and labelled receptacle. The purpose of the test is to demonstrate the continued integrity of the primary source containment. Work not required to be notified Sch 1 The following exemptions apply to work being conducted on a single premises or site: Any change in circumstances relevant to an authorisation needs to be notified to the HSE.

Sealed sources must be tested for leakage at least every 2 years and a record of the test kept for at least that period, or until a subsequent test.

For exposure to radiation resulting from medical exposure of someone else the limit is 5 mSv in any 5 consecutive calendar years. The Notification of New Substances Regulations Controlled Area Decision Tree.

Ionising Radiations Regulations

The fact that an employee works within a Controlled Area is not in itself reason enough for their classification, particularly where the work is intermittent or regulatioms place in one small part of the area. Trainees aged under 18 years 4. Accounting for radioactive substances Transportation involving carriage of radioactive sources on the roads is subject to the requirements of the Radioactive Material Road Transport Regulations Views Read Edit View history.