Effects of chemical protective clothing and masks, and two drinking-water delivery systems on voluntary dehydration. Final report, July 1987-April 1989

Technical Report · Mon May 01 04:00:00 EDT 1989

OSTI ID:5727130

Szlyk, P C; Francesconi, R P; Sils, I V; Foutch, R; Hubbard, R W

The effects of MOPP IV configuration and the M17A1 face mask and two water delivery systems (CURRENT and FIST-FLEX type) on voluntary dehydration and fluid-electrolyte balance were evaluated. Fifteen male subjects walked on a treadmill set on a flat grade at a rate of 4.02 km/hr for 50 min of each hr for up to 6 hrs. The effects of the two water-delivery systems on fluid balance and temperature regulation was assessed through measures of fluid intake, body weight changes, heart rate, rectal and skin temperatures, and plasma electrolytes. The experimental design also afforded the additional opportunity to evaluate the impact of MOPP configurations on fluid consumption and body weight loss. As anticipated, soldiers using either the CS or FF systems perceived more symptoms of hyperthermia and dehydration, and rated their final walk as being as hard to very hard, and more difficult than walk 1. This study provided strong evidence of physiological and perceptional decrements when MOPP IV is worn during low intensity work in moderate climates.

• Research Organization: Army Research Inst. of Environmental Medicine, Natick, MA (USA)
• OSTI ID: 5727130
• Report Number(s): AD-A-208445/7/XAB
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420202* -- Engineering-- Protective Structures & Equipment
BIOLOGICAL EFFECTS
BIOLOGICAL STRESS
BODY
BODY TEMPERATURE
CHEMICAL WARFARE
CLIMATES
CLOTHING
CONTROL
DEHYDRATION
DELIVERY
DESIGN
DIGESTIVE SYSTEM
DOCUMENT TYPES
DRINKING WATER
FLUIDS
GASTROINTESTINAL TRACT
HYDROGEN COMPOUNDS
HYPERTHERMIA
INTESTINES
LARGE INTESTINE
MILITARY PERSONNEL
ORGANS
OXYGEN COMPOUNDS
PERSONNEL
PROGRESS REPORT
PROTECTIVE CLOTHING
RECTUM
SKIN
TEMPERATURE CONTROL
WARFARE
WATER
WEIGHT