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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Approval of dosimetry services. Radiation protection adviser 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 for restricting radiation exposure It is the employer’s responsibility to ensure that the appointed RPA is suitable to the appointment.
If any device used to assess the personal dose to a classified person is lost, damaged or destroyed, the employer must investigate the circumstances in an attempt to estimate the dose received by the individual. Where possible, interlocks or trapped key systems should be provided to: Additional requirements for designated areas.
They also apply to work with natural radiation, including work in which people are exposed to naturally occurring lrr99 gas and its decay products.
United Kingdom, overseas . Duties of employees In laboratories there will be general requirements for preventing spillages and for cleaning up any contamination arising from a forseeable accident.
If the investigation shows that an overexposure is likely to have occurred, the employer shall as soon as practicable notify the suspected overexposure to:.
The HSE has issued generic authorisations for some practices, whereby individual application for authorisation will not be necessary, provided certain conditions ensuring very low radiation exposures can be met. Established Recognised by the HSE.
Such dose assessment may be achieved by either issuing a personal dosimetry badge, or other suitable means, e. Levels of radiation must be routinely monitored both within and around all Controlled and Supervised Areas to confirm the correct designation of the area and to keep working conditions under review. If there is a significant risk of the spread of contamination from a Controlled or Supervised Area, the employer must make adequate arrangements to restrict such occurrence.
The regulations impose duties on employers to protect employees and anyone else from radiation arising from work with radioactive substances and other forms of ionising radiation. In particular, decisions will need to be taken concerning the RPS appointment, the arrangements for monitoring around radiation sources, the arrangements for assessing personal doses, and the Local Rules which both employers are required to adopt.
Before any use of radiation can proceed the employer needs to ensure that an assessment has been undertaken in line with the ‘MHSWR’ which identifies all hazards with the potential for causing a radiation accident, and the nature and the magnitude of the risks regylations employees and others arising from these hazards. Duties of employee Reg If an employee is expected to receive exposure over 1 mSv annually, the IRR99 regulations apply meaning employers must determine the likelihood of exposure through a health and safety risk assessment.
Application The three basic types of work to which the Radiation Regulations apply are: Transitional provisions Reg Defence on contravention Where it is suspected that a person has received a regulatkons greater exposure than intended whilst undergoing a medical procedure, the employer must make an immediate investigation and, if the exposure is confirmed, inform the HSE and arrange for a more detailed investigation of the particular circumstances and the dose received by the patient.
Note that the ‘MHSWR’ require the risk assessment under Reg regulaations to be extended to women of childbearing age or to new or expectant mothers where they may be exposed to any hazard which may adversely affect their health and safety or that of their baby.
To be compliant with IRR17the HSE requires all completed notifications, registrations and consent applications to be submitted by 6 February Trainees aged under 18 years. Whenever work with ionising radiations requires notification to the HSE an employer needing advice on compliance with the Regulations must consult a radiation protection adviser RPA.
Employees of 18 years of age or above 2. Interpretation A glossary is provided of various terms used. Date of issue of the passbook by the approved dosimetry Accounting for radioactive substances Sealed sources and articles containing or embodying radioactive substances The Environment Agencies enforce the Radioactive Substances Actwhich is mainly concerned with the control of radioactive waste.
For exposure to radiation resulting from medical exposure of someone else the limit is 5 mSv in any 5 consecutive calendar years. It is the duty of those working closely with the radiation to inform others in proximity whether other staff, maintenance personnel, visitors, etc. Duties under the Regulations Reg 4 1 Any duty imposed on an employer to satisfy the Regulations in respect of persons other than his employees, is only relevant where such persons are exposed as a result of the work conducted by that employer.
Dose-rates from external radiation and potential levels of contamination from radioactive materials during normal work are likely to be significant.
A trainee is an employee aged including a student who is undergoing instruction in work with radiation. Protection by written procedures A written System of Work may be necessary where the risk assessment indicates that specific procedures would improve radiation protection still further.
As part of the process, a consultation period irr9 February and March allowed the industry to pass comment on the new regulations.
The term ’employer’ includes the manager of a mine, the operator of a quarry and the holder of a nuclear site licence issued under the Nuclear Installations Act The periodic examination and testing of engineering controls, design features,