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L.s., Having followed the debates on the caver list, I would like to know what people think about the following method for marking tanks with MOD: I have one set of double 7L tanks marked with an MOD of 30 . The hottest mix EVER in those tanks will be EanX 40 which gives a ppO2 of 1.6 at 30 metres. The USUAL mix in those tanks varies between EanX 32 and EanX 38. There is a plastic tag on the tank neck with the exact FO2 on it, date, etc.. . (as per IANTD standard ;-) Another set of double 10L tanks are marked with an MOD of 40. This means the hottest mix EVER to go in those tanks will be EanX 32 which gives a ppO2 of 1.6 at 40 metres. There is a plastic tag on the tank neck with the exact FO2 on it, date, etc...Most dives with the double 10s are done with EanX 23 to EanX 30 mixes. I would like to add here that for myself, the max ppO2 I use for planning purposes on a dive is 1.3. I mix accordingly. The MOD is there to caution my buddies, if I'm deeper than the MOD, there is something wrong! Also,if I need to dive deeper than 40 metres, I will either get another set of doubles for that purpose or change the MOD on the double 10s. The MOD markings are made as per GUE method as viewable on their website. BIG lettering and viewable for all. Is this method acceptable? --- Adri KC Haine darkangel@en*.co* " Doing deep dives on air is like having sex without a condom. The technology is there. It's stupid not to use it." Dick Rutkowski - Int'l Association of Nitrox Divers __________________________________________________________________ Get your own free England E-mail address at http://www.england.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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