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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Ionising radiation – Radiation legal base

Opening Options Different options to open itr99 in order to view more content on screen at once. This graded, risk-based approach follows the below stages:.

Implementation of requirements for Controlled and Supervised Areas Prior examination of plans for installation and commissioning of new or modified sources of radiation in relation to engineering controls, design features, safety features and warning devices provided to restrict exposure Application, calibration and maintenance of instruments used for monitoring both radiation and contamination Periodic examination and testing of engineering controls, design features, safety features and warning devices with regular checks on Systems of Work regulatione restricting radiation exposure It is the employer’s responsibility to ensure that the appointed RPA is suitable to the appointment.

Prior risk assessment Reg 8: When not being used, moved, transported or disposed of, all radioactive sources must be kept in a suitable receptacle in a suitable store, reghlations.

Application for a special entry may only be made if less than 12 months has passed since the date of the original entry made in the dose record for classified persons, or less than 5 years has passed in the case of any other person. In all cases the employer must have control over the area in question. SOCOTEC are able to provide sampling teams, testing services and radiation consultancy to a variety of customers including government agencies, water regulationx, nuclear decommissioning contractors and environmental consultancies.

The hazard is clearly identified, e. For the purpose of Regulation 2 4the quantity ratio for Work with ionising radiation shall not be required to be Modification, revocation and saving.

Information, Instruction and Training All employees who are engaged irr99 work with radiation are to be given appropriate training in radiation protection and receive sufficient instruction for them to appreciate the risks to health caused by exposure to radiation, the precautions to be taken and the importance of complying fully with the Regulations.

  ADA 2005 LRM PDF

Prior written authorisation from the HSE is required for the regulationa of accelerators except electron microscopes and for work with X-rays in:.

Women of reproductive capacity 6. Where the employer employs an ‘outside worker’, the ‘approved dosimetry service’ must provide the worker with a valid ‘radiation passbook’. The cumulative dose assessment in mSv for the year to 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 affected are restricted to a minimum.

Generally people can be exposed to radiation externally rgulations radioactive material or internally by inhaling or ingesting radioactive substances.

You can visit our cookie privacy page for more information. Such circumstances occur where: Information, instruction and training Individuals and organisations wishing to act as RPAs must satisfy HSE criteria of competence and become accredited by either:. Dose assessment and recording for classified persons Reg If the employer suspects that the dose received by a classified person is much greater or much less than that recorded in the dose record, he shall investigate the circumstances and, where there is adequate information, send a summary copy of the information used to estimate the dose to the ADS.

As part of the process, a consultation period between February and March allowed the industry to pass comment on the new regulations.

The Ionising Radiations Regulations 1999

Where the employer suspects that an individual has received an ‘overexposure’, such that a relevant dose limit may have been exceeded, he is required to carry out an immediate investigation into the circumstances and keep a copy of such investigation report for at least 2 years.

Before commencing a new activity involving ionising radiation, where no risk assessment has previously been made by the employer, a suitable and sufficient risk assessment must be conducted to identify the risk to employees. High activity sealed radioactive sources The Environment Agencies also enforce the High Activity Sealed Radioactive Sources and Orphan Sources Regulations HASS with the exception of high activity sealed radioactive sources that are kept, used, accumulated and disposed of on nuclear licensed sites, where the HSE is the regulatory authority for Great Britain.


With cutting-edge equipment, SOCOTEC can determine levels of radiation within a given sample, ensuring clients receive accurate analytical data regarding the presence of radiation in their materials – to support of nuclear decommissioning projects and in association with contaminated land. 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’.

Maintenance and examination of engineering controls etc. The implementation of requirements as to controlled and supervised areas Accounting for radioactive substances Reg Justification Justification is one of the key principles of radiological protection established by the International Commission on Radiological Protection on which the radiological framework of the UK is based.

Co-operation between employers Reg In any case where— a the dose limits specified in Sub-sections 2 to 6 of section 44 of the The main aim of the regulations as defined by the official code of practice was to “establish a framework for ensuring that exposure to ionising radiation arising from work activities, whether man made or natural radiation and from external radiation or internal radiation, is kept as low as reasonably practicable ALARP and does not exceed dose limits specified for individuals”.

Ionising Radiations Regulations

In any case where the isotopic composition of a radioactive The above is to be achieved by making use of a suitable quality assurance programme which shall require the following to be carried out:. In circumstances where a person could receive an overexposure in fegulations period of minutes or less, the System of Work may be more complex and require the issue of a Permit to Work, which specifies the tasks to be performed for the job and the level of supervision required.

Once the pregnancy has been formally declared to the employer in writing Reg 14 c the employer must ensure that the dose to the foetus is unlikely to exceed 1 mSv during the remainder of the pregnancy.

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