This new series of reports covers both radiation, chemicals and poisons topics. It contains publications of substantial scientific work carried out by the Centre from April 2010 onwards.

Reports in the CRCE series are made available in full on this website as PDF (portable document format) files.

Colour illustrations are provided where appropriate. Please note that PDFs may incorporate a number of blank pages to facilitate printing.

This series replaces the previous HPA RPD and HPA CHaPD series of reports.

• HPA-CRCE-033 - Results of the 2011 HPA Intercomparison of Passive Radon Detectors
  In total, 34 laboratories from 13 countries, took part in the 2011 HPA Intercomparison.
  Added/updated: 10 May 2012
  
• HPA-CRCE-032 - The Measurement of X-Ray Beam Size from Dental Panoramic Radiography Equipment
  This report describes a quick and accurate automated method using digitised images for the measurement of the dimensions of panoramic X-ray beams.
  Added/updated: 2 May 2012
  
• HPA-CRCE-031 - Human Biokinetics of Nasal Clearance by Particle Transport
  This report provides a comprehensive compilation of the data on extra-thoracic (ET) retention and ET clearance from a human volunteer study of nasal clearance conducted at HPA.
  Added/updated: 27 April 2012
  
• HPA-CRCE-030 - An Investigation of Monitoring by Nose Blow Sampling
  The potential for developing nose blow sampling into a robust screening method for exposure to radionuclides
  Added/updated: 12 January 2012
  
• HPA-CRCE-029 - Intercomparison of the ‘R91’ Gaussian Plume Model and the UK Met Office’s Lagrangian Particle NAME III Model in the Context of a Short-duration Release
  This report compares the predictions of HPA’s application of the ‘R91’ model with those of the UK Met Office’s NAME III model. The study considers a simplified application of NAME and R91 to enable a fair model comparison.
  Added/updated: 21 November 2011
  
• HPA-CRCE-028 - Radiation Risks from Medical X-ray Examinations as a Function of the Age and Sex of the Patient
  The radiation risks from medical x-ray examinations have been evaluated as a function of the age and sex of the patient in terms, separately, of the lifetime risk of radiation-induced cancer to the patient and the risk of deleterious heritable effects appearing in the progeny of the patient.
  Added/updated: 26 October 2011
  
• HPA-CRCE-027: Review of Methodologies to Calculate A₁ and A₂ Values, and Exemption Values
  HPA-CRCE-027: Review of Methodologies to Calculate A1 and A2 Values, and Exemption Values
  Added/updated: 13 October 2011
  
• HPA-CRCE-026: Report of a Workshop to Identify Needs for Research on the Health Effects of Nitrogen Dioxide - London, 2-3 March 2011
  Report of an independent workshop commissioned and funded by the Policy Research Programme in the Department of Health.
  Added/updated: 21 September 2011
  
• HPA-CRCE-025: Review of the transfer of technetium to terrestrial crops and animal products
  Technetium-99 (99Tc) has been dispersed in the environment from many sources such as nuclear weapons testing, releases from medical or industrial processes, nuclear power plants and nuclear fuel processing facilities.
  Added/updated: 23 August 2011
  
• HPA-CRCE-024: Radiological Consequences Resulting from Accidents and Incidents Involving the Transport of Radioactive Materials in the UK – 2010 Review
  This report includes descriptions of 30 accidents and incidents involving the transport of radioactive materials from, to, or within the UK, which occurred in 2010.
  Added/updated: 24 October 2011
  
• HPA-CRCE-023: Indicative Atlas of Radon in Scotland
  This report presents an overview of the results of a detailed mapping in Scotland of radon potential.
  Added/updated: 21 July 2011
  
• HPA-CRCE-022: Environmental Radioactivity Surveillance Programme: results for 2009
  Latest in a series in which the results of the HPA environmental radioactivity surveillance programme are presented.
  Added/updated: 13 July 2011
  
• HPA-CRCE-021: Assessment of the Radiological Impact of the Recycling and Disposal of Light Bulbs Containing Tritium, Krypton-85 and Radioisotopes of Thorium
  The European Light Companies Federation has commissioned HPA to carry out a study to assess the radiological consequences arising from the recycling and disposal of lamps containing low levels of tritium, krypton-85 and Radioisotopes of thorium
  Added/updated: 22 June 2011
  
• HPA-CRCE-020: Solar Ultraviolet Radiation in Great Britain (1989-2008)
  A long-term trend of an ongoing survey of solar radiation levels at the six different latitude sites in Great Britain (GB) is investigated.
  Added/updated: 22 June 2011
  
• HPA-CRCE-019: An Analysis of Radon Remediation Methods
  Radon gas in the home is a major source of public radiation exposure and an established cause of lung cancer. A range of techniques are available to reduce high indoor radon concentrations in homes. Information on some 2,700 radon remediation projects has been analysed with the aim of identifying the factors that influence the performance of various remediation methods, including the specific remediation techniques applied, the physical characteristics of the home, the radon level before remediation and who carried out the work.
  Added/updated: 20 May 2011
  
• HPA-CRCE-018: Health Risks from Radioactive Objects on Beaches in the Vicinity of the Sellafield Site
  In 2007, the Environment Agency (EA) sought the advice of the Health Protection Agency (HPA) on the health implications of the findings of this beach monitoring and this advice has since been updated.
  Added/updated: 20 April 2011
  
• HPA-CRCE-017 - Radiation Monitoring Units: Planning and Operational Guidance
  This document is to aid emergency planners when producing specific plans for radiation monitoring units. It is provided in two distinct sections.
  Added/updated: 12 July 2011
  
• HPA-CRCE-016 - Assessment of Personal Exposures to Non-laser Optical Radiation in Entertainment
  New legislation has been introduced covering worker exposure to artificial optical radiation. The document explains the impact of the legislation on the entertainment industry and proposes a methodology for assessing the risks.
  Added/updated: 22 March 2011
  
• HPA-CRCE-015 - Radon in Homes in England and Wales: 2010 Data Review
  This report provides a summary of approximately 480,000 radon measurements made in English and Welsh homes between 1980 and 2009. It updates a previous report issued in 2002 and complements the radon atlas of England and Wales published in 2007.
  Added/updated: 21 March 2011
  
• HPA-CRCE-014 - Guidance on Screening People for Internal Radioactive Contamination
  Added/updated: 18 October 2011
  
• HPA-CRCE-013 - Evaluation and equity audit of the domestic radon programme in England
  This audit evaluates the radon programme at the individual homes and geographical level to identify factors that influence the likelihood of remediation.
  Added/updated: 15 February 2011
  
• HPA-CRCE-012 - Frequency and collective dose for medical and dental X-ray examinations in the UK, 2008
  This report presents the results of a study of frequency and collective dose for medical and dental X-ray examinations in the UK in 2008.
  Added/updated: 31 December 2010
  
• HPA-CRCE-011 - Children's Environment and Health Action Plan (CEHAP)
  Pilot Environmental Health Indicators Toolkit
  Added/updated: 23 December 2010
  
• HPA-CRCE-010 - Guidance on the Safe Use of Dental Cone Beam CT
  Prepared by the HPA Working Party on Dental Cone Beam CT Equipment
  Added/updated: 8 November 2010
  
• HPA-CRCE-009 - Environmental Radioactivity Surveillance Programme: Results for 2007 and 2008
  This report is the latest of a series in which the results of the Health Protection Agency (formerly National Radiation Protection Board (NRPB)) environmental radioactivity surveillance programme are presented. It contains the measurement data for the years 2007 and 2008.
  Added/updated: 18 November 2010
  
• HPA-CRCE-008 - Assessment of the Radiological Impact of the Transport and Disposal of Light Bulbs Containing Tritium, Krypton-85 and Radioisotopes of Thorium
  The European Lamp Companies Federation commissioned HPA to carry out a study to assess the radiological consequences arising from the transport and disposal of lamps containing low levels of radioactive material.
  Added/updated: 29 October 2010
  
• HPA-CRCE-007 - The design of the new HPA Personal Thermoluminescence Dosemeter
  This document describes the design, development and evaluation of the new HPA personal thermoluminescence dosemeter (TLD).
  Added/updated: 26 October 2010
  
• HPA-CRCE-006 - Investigation of Possible Exemption or Exclusion Levels for Non-aqueous Liquids to Support the RSA93 Exemption Order Review
  As part of the better regulation initiative, the Department of Energy and Climate Change (DECC) and the Devolved Administrations have consulted on a new exemption orders regime under the Radioactive Substances Act 1993 and the Environmental Permitting regulations (EPR) 2010. The overall aim is to have a simpler set of exemption orders, informed by risk, that are more easily linked to the European Basic Safety Standards Directive (BSSD).
  Added/updated: 28 September 2010
  
• HPA-CRCE-005 - Derivation of Liquid Exclusion or Exemption Levels to Support the RSA93 Exemption Order Review
  As part of the better regulation initiative, the Department of Energy and Climate Change (DECC) and the Devolved Administrations have consulted on a new exemption orders regime under the Radioactive Substances Act 1993 and the Environmental Permitting regulations 2010. The overall aim is to have a simpler set of exemption orders, informed by risk, that are more easily linked to the European Basic Safety Standards.
  Added/updated: 24 August 2010
  
• HPA-CRCE-004 - Generalised Derived Constraints for Radioisotopes of Hydrogen, Carbon, Phosphorus, Sulphur, Chromium, Manganese, Cobalt, Zinc, Selenium, Technetium, Antimony, Thorium and Neptunium
  Generalised derived constraints have been calculated for discharges to atmosphere, rivers and sewers for radiologically significant isotopes. The GDCs presented here are intended as convenient reference levels against which proposed discharges can be compared.
  Added/updated: 8 September 2010
  
• HPA-CRCE-003 - Radiological Consequences Resulting from Accidents and Incidents Involving the Transport of Radioactive Materials in the UK – 2009 Review
  This report includes descriptions of 32 accidents and incidents involving the transport of radioactive materials from, to, or within the United Kingdom, which occurred in 2009.
  Added/updated: 6 August 2010
  
• HPA-CRCE-002 - Patient Safety in Radiotherapy Steering Group Activity (November 2007 - March 2010)
  Data report on patient safety incidents from August 2007 until November 2009
  Added/updated: 14 July 2010
  
• HPA-CRCE-001 - Conditional Exemption Limits for NORM Wastes
  Added/updated: 13 July 2010