CARBON MONOXIDE POISONING HAZARDS (CONT.)
Carbon monoxide occurs in the exhaust fumes of fuel-
burning heaters and internal combustion engines. It
becomes dangerously concentrated under conditions of
The following procedures must be observed to ensure
the safety of personnel whenever the personnel heater,
main or auxiliary engine of any vehicle is operated for
maintenance purposes or tactical use.
n Do not operate heater or engine of vehicle in an
enclosed area unless it is adequately ventilated.
n Do not idle engine for long periods without maintain-
ing adequate ventilation in personnel compartments.
n Do not drive any vehicle with inspection plates or
engine compartment doors removed unless neces-
sary for maintenance.
n Be alert at all times during vehicle operation for
exhaust odors and exposure symptoms. If either are
present, immediately ventilate personnel compart-
"The best defense against
carbon monoxide poisoning
is adequate ventilation"