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Date: Mon, 19 Aug 1996 23:36:15 -0400
From: Rick Allen & Cindy Burnham <nautilus@In*.co*>
Organization: Nautilus Productions
To: techdiver@terra.net
Subject: Narcosis

Eric Mieczkowski,

Regarding your post on narcosis: I have about 300 N.C. wreck 
dives in my log down to a depth of 200' and have discovered 
several factors which definitely affect narcosis. 

1. Experience; I used to get narced at exactly 110 but with 
practice the narcosis receded.
2. Hydration; being dehydrated or fatigued increases the 
narcosis.
3. Exertion (CO2 buildup); makes the narcosis even more severe 
- especially past about 140'.

As to sulphur who knows? Hope my personal experience adds to 
your knowledge. If there are other factors divers have 
discovered I'd love to know myself.

Good Diving!
Rick Allen

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