1.3 ATA PO2 N2-O2 Decompression Table Validation

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Title: 1.3 ATA PO2 N2-O2 Decompression Table Validation
Author: Johnson, TM; Gerth, WA; Southerland, DG
Abstract: Results of a successful human validation trial of 1.3 atmosphere (ATA) PO2-in-nitrogen (PO2-in-N2) decompression profiles for use with the MK 16 MOD 1 Underwater Breathing Apparatus (UBA) are presented. Twelve (12) dive profiles involving repetitive dives, decompression dives, and repetitive decompression dives ranging in depth from 80 to 190 feet of seawater (fsw) were tested a total of 325 times. Three cases of decompression sickness occurred in the first portion of the trial, when schedules computed assuming that the diver breathes 1.3 ATA PO2-in-N2 at depths greater than 33 fsw were tested. Schedules tested in the last portion of the trial were calculated under the assumption that the diver breathes 1.25 ATA PO2-in-N2 at depths deeper than 33 fsw. No additional cases of DCS occurred with these schedules. Diver inspired PO2 was measured and used to estimate the risk of central nervous system (CNS) toxicity for 199 of the dives. Decompression tables for use with the MK 16 MOD 1 with air diluent are presented, with recommendations to reduce risk of oxygen toxicity
Description: Citation Status: Active; Citation Classification: Unclassified; Title Classification: Unclassified; Report Classification: Unclassified; Identifier Classification: Unclassified; Abstract Classification: Unclassified; Distribution Limitation(s): 01 - APPROVED FOR PUBLIC RELEASE; Information provided by the Department of Defense and the Defense Technical Information Center (http://www.dtic.mil/) is considered public information and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is requested.
URI: http://archive.rubicon-foundation.org/3556
Date: 2000

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