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Low Temperature Tests of Rescue Breathing Apparatus.

Authors
Burse-RL; Strong-LD
Source
NTIS: PB/82-172727 :113 pages
Link
NIOSHTIC No.
10002304
Abstract
The U.S. Army Research Institute of Environmental Medicine tested two samples each of three different types of rescue breathing apparatus (rba) to determine how long both could be worn by operators in subfreezing temperatures. Phase I tests were performed after overnight cold soaking at the test temperature; Phase II tests were performed after overnight storage at +20 deg. C. Successful performance was determined as proper operation for at least one-half the certified duration of the oxygen supply without exhaustion of the oxygen supply, increase of inspired co2 above physiologically acceptable levels, or increase in breathing resistance above tolerable levels. In Phase I, the scott "rescue pak r" operated successfully at -20 deg. C, while the drager 174-a and the McCaa units operated successfully at -10 deg. C. In Phase II, the scott unit operated successfully at -25 deg. C, the drager at -20 deg. C, and the McCaa at -15 deg. C. None of the rba types appeared well designed for use in subfreezing temperatures.
Publication Date
19810101
Document Type
CP; Final Contract Report;
Fiscal Year
1981
NTIS Accession No.
PB82-172727
NTIS Price
A07
Identifying No.
OFR 16-82
NIOSH Division
PRC;
Source Name
NTIS: PB/82-172727
Performing Organization
U.S. Army Res. Ins. of Env. Med.
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