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The South African Bureau of Standards (SABS) other

The South African Bureau of Standards (SABS)Ref: https://www.sabs.co.za/dosimetry

Official source

Source domain: sabs.co.za

Collected on 5 August 2026

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What this means

This document is a webpage section titled “Dosimetry” from the South African Bureau of Standards (SABS) describing the Radiation Protection Service (RPS) dosimetry service. It explains that RPS provides national dosimetry for radiation workers, including issuing and dispatching dosimeters, collecting used dosimeters, processing them, and reporting accumulated doses. It also outlines regulatory bodies (SAHPRA and the National Nuclear Regulator) and describes dosimetry types and dose limits (extremity, whole-body, and tissue/skin), plus examples of dosimetry systems and service types (personnel, neutron, extremity, eye, and environmental).

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occupational radiation monitoring serviceOngoing

National Dosimetry Service for Radiation Workers

The Radiation Protection Service (RPS) of SABS offers a national dosimetry service that monitors external ionising radiation exposure for radiation workers across South Africa and some neighbouring countries. This includes issuing dosimeters, collecting used ones, processing them, and reporting accumulated doses. The service ensures compliance with legal dose limits and maintains lifetime dose records.

Who it is for: radiation workers in South Africa and some neighbouring countries
How to act on it: Employers or organisations responsible for radiation workers must register and arrange for dosimeter issuance, wear, return, and reporting through the RPS service.

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Facts

Reference

https://www.sabs.co.za/dosimetry

Parties

department of SABS

Key Takeaways

Document title/section: Dosimetry (SABS website)
Service provider: Radiation Protection Service (RPS) department of SABS
Purpose: national dosimetry service for most radiation workers in South Africa and some neighbouring countries
Regulators: SAHPRA (Directorate: Radiation Control) and National Nuclear Regulator (NNR)
Process: issue/dispatch dosimeters for a specific wearing period; send replacement before end of wearing period; return used dosimeters for processing; report doses to client
Legal requirement: all radiation workers are legally required to be monitored
Dosimetry objective: monitor radiation dose during routine occupational exposure and keep exposure within prescribed safety limits
Dose limits stated: Extremity 500 mSv/year; Whole-body 20 mSv effective dose per annum averaged over 5 years (max 50 mSv in one year); Tissue/skin 500 mSv/year
Dosimetry types described: Personnel dosimetry (InLight OSL badge), Neutron dosimetry (Landauer Albedo neutron OSLN), Extremity dosimetry (ring/wrist/finger), Eye dosimetry (Hp(3) at 3 mm depth), Environmental dosimetry (area/environment monitoring)
Warning: a dosimeter does not protect from radiation; it only provides a means of monitoring received dose
South African Bureau of Standards (SABS)
Radiation Protection Service (RPS)
South African Health Products Regulatory Authority (SAHPRA) - Directorate: Radiation Control
National Nuclear Regulator (NNR)
International Commission on Radiological Protection (ICRP)
Landauer (Landauer dosimetry products; InLight® and Albedo neutron OSLN)
HYPERLINK https://www.landauer.eu/produit/dosimetre-inlight-ga/ (referenced link)