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Joan 
You are totally wrong, NOAA uses partial pressure filling into oxygen 
service cylinders only. In fact NOAA rarely partial pressure fills they 
normally use continious blending on mixes up to 40%.
On these mixes they do not clean regulators. They must clean anything 
above 40% as it is federal law.
If you check the research you will discover there is justification for 
the laws that require oxygen cleaning on mixes above 40% or any time 
one is partial pressure blending. 
I will be glad to supply you with the NAVY, COASDT guard, OSHA, NOAA, 
and hundreds of pare on the subject.
Tom Mount
You wrote: 
>
>You wrote: 
>>
>>Should a regulator be cleaned for pure O2 or is it another B.S. O2 
>cleaning ?
>>
>                                                                      
>Gil.
>>
>
>Gil,
>
>This is one of the purest forms of bullshit in existance.
>
>This is a lie that is being propogated  by dive equipment
>manufacturers, dive shops, and dive training agencies to separate
>the diving public from their hard earned money.
>
>Ignition of pure oxygen is only a problem at pressures OVER 10,000
>psig.
>
>NOAA and other agencies and individuals have been partial filling
>cylinders using pure oxygen for better than 50 years as well as using
>standard off the shelf regulators  WITHOUT  failure of any of these
>devices due to filling or breathing pure oxygen.
>
>-Joan-
>

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