> VENTILATION > Normal air is 78% Nitrogen, 21% Oxygen and only 0.035% Carbon Dioxide. If > the concentration of carbon dioxide in the air rises above 0.5%, carbon > dioxide can become dangerous. Smaller concentrations can cause quicker > breathing but is otherwise not harmful. If Dry Ice has been in a closed > auto, van, room, or walk-in, for more than 10 minutes, open doors and > allow > adequate ventilation before entering. Dry Ice CO2 is heavier than air and > will accumulate in low spaces.Do not enter closed storage areas that have > or > have had Dry Ice before > airing out completely. > > Sue Madlung - Shadowacre Reg'd German Shepherds My Sue.... You have better information than I do, so I'll rescind my former post. CO2 may well be dangerous. I'll let Dear Ol Bill know he should not inhale! Dave ============================================================================ POST is Copyrighted 2006. All material remains the property of the original author and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind are permitted without prior permission of the original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxxx VISIT OUR WEBSITE - URL temporarily deleted due to AOL issues ============================================================================