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Blending Standards

Blending Standards. Introduction. Standards developed over years We will look at: Who set standards Standards adopted by CFT Oxygen grade Blender requirements Cylinder labelling Fill Log. Standards Authorities. NOAA – National Oceanic & Atmospheric Administration

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Blending Standards

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  1. Blending Standards

  2. Introduction • Standards developed over years We will look at: • Who set standards • Standards adopted by CFT • Oxygen grade • Blender requirements • Cylinder labelling • Fill Log

  3. Standards Authorities • NOAA – National Oceanic & Atmospheric Administration • OSHA – Occupational Safety Health Administration • CGA – Compressed Gas Administration • USN – United States Navy • NFPA – National Fire Protection Agency • IANTD – International Association of Nitrox & Technical Divers

  4. Standards • CGA Standard of Grade E Air Purity • CFT adopt Standard • Stipulations for • Oxygen compatible air • Grade oxygen used • Cylinders • Blenders

  5. Compressor Air Standards

  6. Oxygen Grade • Medical Grade B • Industrial – not ‘clean’ • Safety data sheet • Check safe use

  7. Requirements Blender - • Must be qualified • Cylinders – European standards • Blenders fill & maintain Fill Log Cylinders - • Not endanger life • Labelled – NITROX; %age mix; MOD • Status OK to fill

  8. Fill Log • Verify diver entitlement to Nitrox fill • Blender fill in Log • Blender - analyse final mix & sign • Diver - analyse final mix & sign • Blender complies with standards • Can refuse to fill • Safety first

  9. Fill Log - contents Items in Log • Date • Cylinder serial number • Owner & grade • Mix required • Blender analysis of mix • Blender signature & fill date • Owner analysis of mix • Owner signature & date

  10. Summary We have covered • Who set standards • Standards adopted by CFT • Oxygen grade • Blender requirements • Cylinder labelling • Fill Log

  11. Questions?

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