<html><head></head><body><div class="ydp121630dyahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div></div>
<div>Jon, </div><div>I would just go with what ABS or DNV-GL say, as approving anything else as an organization might be problematic. </div><div>People will do what they want anyway as controlling temperature and humidity may be out of the range of most Psubbers. </div><div>Alan</div><div><br></div><div><br></div>
<div id="ydp121630dyahoo_quoted_8443573413" class="ydp121630dyahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div>
On Monday, December 14, 2020, 06:44:39 AM GMT+13, Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id="ydp121630dyiv6116902280"><div><div class="ydp121630dyiv6116902280yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr">I'm looking to start a discussion to create a PSUBS standard for max/min cabin operating conditions. I'm not convinced temp or humidity matter all that much overall and require an agreement. I would start with the following:</div><div dir="ltr"><br></div><div dir="ltr">O2: 19.0 to 23 percent</div><div dir="ltr">CO2: 0 to 5000 ppm</div><div dir="ltr">Pressure: +/- 1psi</div><div dir="ltr"><br></div><div dir="ltr">Comments?</div></div></div></div>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" rel="nofollow" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel="nofollow" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div>
</div>
</div></div></body></html>