Radiation Protection Service University of Glasgow The Internal Radiation Hazard Janice Brock...

Radiation Protection ServiceRadiation Protection ServiceUniversity of GlasgowUniversity of Glasgow

The Internal Radiation Hazard

Janice BrockUniversity RPO

Radiation Protection Organisation Within Glasgow University




Organisational Chart :University Court

Radiation Safety Committee

Radiation Protection Adviser

Radiation Protection Officer

University Medical Officer

Departmental Radiation Protection Supervisors




The Radiation Substances Act 1993

Radiation Protection Legislation




The Ionising Radiations Regulations (IRR99),

which came in to force on 1st Jan 2000.




Classification Of Radiation Workers :

• Classified Worker

• Unclassified Worker




1. Annual Dose > 6mSv

2. Radiation Passbooks

Classified Radiation Workers




Unclassified Radiation Workers

Apart from radiation medicals, these workers are treated the same as classified workers.




Controlled Radiation Area

Supervised Radiation Area

Radiation Areas




System of work




1. CONTROLLED RADIATION AREAS

2. SYSTEM OF WORK

3. SUPERVISED RADIATION AREAS

4. HANDLING LIMITS

Radiation Areas Review




Prior Risk Assessment




Other Sources of Ionising Radiation

Encountered by University Personnel

• Diagnostic X-RAY Equipment

• X-ray Crystallography




• Accelerators and Reactors

• University Personnel Working at Harwell/Cern

• University Personnel Working In Hospital Premises

• Electron Microscopes

Other Sources Continued :




• Technicians Aged 16-18

• Pregnant Radiation Workers

• Visitors to the University

Other Categories of Workers




Other Categories Continued :

• Cleaning Staff

• Maintenance Staff




Radiation Dose Records

• Radiation Dosimeters

• Thermo luminescent Finger Dosimeters

• Fast Neutron Nuclear Emulsion Dosimeters

• Reporting of Radiation Doses




The Usage of Radioactive Material

• Ordering of Radioactive Material

• Record Keeping

• Storage




Disposal of Radioactive Waste

• Solid

• Sharps




• Liquid

• Scintillant

Disposal Continued :




Radioactive Waste Label




• RPS Surveys

• Departmental Surveys

• Self Monitoring

• Thyroid Monitoring

Radiation Surveys




• Swab Sampling for 3H

• UG Teaching Experiments

• Project Work By Honours Students

Surveys Continued :




Reading Counts Swab area Area on swab Activity

No per minute x cm y cm swabbed cm2 (Bq) Bq/cm2 >3 Bq/cm2 >30 Bq/cm2

1 10 10 100 0.0 0.00 No No

2 10 10 100 0.0 0.00 No No

3 10 10 100 0.0 0.00 No No

4 10 10 100 0.0 0.00 No No

5 10 10 100 0.0 0.00 No No

Contamination Check Sheet




Transport of Radioactive Material

• The Radioactive Material Road Transport Reg 2002.

• Movement of Radioactive Material within the University.

• Transport of Radioactive Material out with the University.




RADIOACTIVE MATERIAL, EXCEPTED PACKAGEUN 2910 - LIMITED QUANTITY OF MATERIAL Dispatched by: Post

UNIV OF GLASGOW, Dept of ............................................... Code .................…………….

Contact .................................................... Tel...................................................………………

Deliver to ...........................................................................................................……………..

Date.........………………………. Physical form..........................………………………….

Isotope ........................................... Chemical form..........................................………………

Activity ...........................................I hereby declare that the contents of this consignment are fully and accurately described above by proper shipping name, and are classified, packed, marked and labelled, and are in all respects in proper condition for transport by road according to the applicable international governmental regulations. For the Consignor...............................................................................................

Excepted package Label




Emergency Procedures

Serious Radiation Accidents




Radioactive Spillages - S.W.I.M

• Stop the spill.

• Warn other personnel.

• Isolate the area.

• Minimize the exposure to radiation and contamination.




Laboratory Fires

Radiation Protection Service University of Glasgow The Internal Radiation Hazard Janice Brock...

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