Contents:

1) Introduction

2) Irradiator Description

3) Irradiator Sources

4) Irradiator Shielding

5) Survey Meter

6) Operating Procedures

7 Emergency Procedures

8) Required Form

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	The irradiator exposes the sample to gamma radiation from two radioactive sources.
	The sources are secured within sliding drawers located symmetrically above and below the sample chamber.
	The drawers are held within steel encased lead shields.
	Ball screws, driven by an electric motor, move the source drawers  from the shielded to the irradiate position.

Irradiator Drive Mechanism

	The radioactive sources are contained in double encapsulated stainless steel  capsules.
	The capsules are Special Form Certified by the United States Department of Transportation.
	The radioactive material is in the form of cesium chloride and has a half- life of approximately thirty years.
	MCG Radiation Safety Personnel perform quarterly radiation dose rate surveys and semi-annual leak test surveys on the sources.

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September 24, 2007