An Air Quality Assessment Onboard an Oberon Class Submarine: HMCS Okanagan
Abstract
Prior to the Canadian Navy's move to the new Victoria class submarine (former RN Upholders), DCIEM was tasked to re-examine the air quality on an Oberon class submarine to determine if the atmosphere complied with Air Purification Standard BR 1326. The objective of the study was to obtain information to assist in developing plans for future submarine air quality management. Since the information would be directly applicable and transferable to the Victoria submarines, the conduct of a trial on an Oberon was warranted. This trial represents a baseline evaluation of submarine air quality under patrol conditions. Over a 24-hour period, the functional and detection capabilities of analytical instruments for monitoring the atmosphere were assessed and a fingerprint' of the contaminants onboard was obtained. A profile of Carbon Dioxide (CO2) accumulation and Oxygen (O2) consumption was determined and the effectiveness of air purification (CO2 scrubbing; O2 generation; and, snorting) was assessed. In addition, Carbon Monoxide (CO) was monitored and Carboxyhemoglobin (COHb) was measured in representative smokers and nonsmokers. Ammonia (NH4), Ozone (O3), and Nitrous compounds (NO(x) were measured to assess, respectively, whether the sanitary systems, electrical systems, and engine exhaust gases posed any problems. Hydrogen (H2), Arsine, and Stilbene were monitored to assess any potential hazard from charging the batteries. To assess the health hazard potential of aerosolized particles derived from cooking, smoking, and diesel fuel & exhaust gases, concentrations of respirable airborne particulates were measured. All contaminants covered by BR 1326 were found to be within allowable limits. Respirable particulates are not covered by BR 1326, or by any other Military Standard, and the data were interpreted by applying the Threshold Limit Value/Time Weighted Average (TLV/TWA) civilian occupational health guidelines.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 2000
- Accession Number
- ADA384538
Entities
People
- B. H. Sabiston
- Y. D. Severs
Organizations
- Defence Research and Development Canada