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gmirvine@sa*.ne* wrote on 09/03/97: >Listen - I do not know whre NOAA gets off putting out idiocy like this, >but you really need to take the cotton out of your ears . Time is one element, ppo the other. >1.4 is the number below which the incidence of seizure drops off dramaticly. >We use 1.4 for a MAXIMUM. Info from comnmercial data. >Time , and the decompression requirements that follow the dive >and its concomittant exposure determine the degree to which this number >is reduced, as well as repetitive exposure, and other obvious circumstances. >As with nmost things in diving, the NOAA stupidity is ancient, >and without basis, and is moot - NOAA does not do jack in diving anyway. >Again, there is no depth for which air is the correct gas. Interesting. Especially that you have non NOAA data for all of this. Although I have certainly heard of others going with 1.4 ATA as the maximum, rather than 1.6. Could you give us the algorithm that you use? E.g. how long you would allow on a first exposure to 1.4 ATA (with default conditions), how much on a second exposure, how much credit for how much surface interval, etc. Could you also be a bit more specific about the data, and the source of the data? Finally, what mix would you use for a 20' max non-stressful dive in calm Florida reefs, time limited only by requirement to surface with 500 psi in an 80 cu ft tank? Thanks for all the info so far, Wrolf -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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