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| Title: | CARBON MONOXIDE ACCUMULATION IN SEALED ENVIRONMENTS. |
| Authors: | Hashimoto, A
Okonogi, K
Takahashi, F
Ikeda, T
Oiwa, H |
| Keywords: | environment
CARBON MONOXIDE
confinement
submarine environment simulator
deep diving simulator
smoking
closed environment |
| Issue Date: | 1990 |
| Publisher: | Undersea and Hyperbaric Medical Society, Inc. |
| Citation: | Undersea Biomedical Research, Vol. 16, No. 1 Supplement, March 1990 |
| Abstract: | Accumulation of carbon monoxide (CO) was measured during experiments in both a submarine environment simulator (SES) and deep diving simulator (DDS). Experiments using the SES were carried out in two occasions of which smoking was permitted for restricted periods. On the other hand, in 3 experiments using the DDS, smoking was strictly prohibited. For each experiment, 6 subjects were confined in either of the sealed environments for up to 15 days. 19 out of total 30 subjects were smokers who smoked approximately 20 cigarettes a day. Results showed that endogenous CO excretion in average for 24 hours was estimated to be 0.61 ± 0.02 and O.66 (mean) ± 0.03 (s.d.) ml/h/man in the SES and DDS experiments, respectively, and that exogenous CO excretion caused by smoking diminished exponentially and ceased about 10 hours after quitting smoking. It is necessary for smokers to stop smoking at least 10 hours prior to going into a small closed environment, if the confinement is to be prolonged more than 4 days with the premise of maximum CO exposure limit to be 20 ppm equivalent to 1 ATA. |
| Description: | Abstract of the Undersea and Hyperbaric Medical Society, Inc. Joint Annual Scientific Meeting with the International Congress for Hyperbaric Medicine and the European Undersea Biomedical Society held 11-18 August 1990. Okura Hotel, Amsterdam, The Netherlands (http://www.uhms.org) |
| URI: | http://archive.rubicon-foundation.org/7293 |
| Appears in Collections: | UHMS Meeting Abstracts
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