TB CML 111
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
Headquarters, Department of the Army, Washington, D. C.
18 May 1964
1. Scope. This bulletin contains information on
the characteristics, use, maintenance, shipment, and
Warning. F S reacts violently
storage of one-ton containers.
with water. The reaction releases
2. Safety Precautions. a. General. Conduct
heat and causes sulfuric acid to be
filling and transfer operations downwind from nearby
formed. When loading FS into a
personnel. Be sure that all receptacles to be filled are
clean, dry, and leakproof. Make certain that all fittings
receptacle is dry and that personnel
are tight and that all items of equipment used are in
stay away from openings in the
good working condition. Be sure that personnel are
thoroughly familiar with the characteristics of the
subsides. Start FS flowing slowly,
chemical being handled and the equipment being used.
and stop the flow immediately if a
Have first aid supplies and equipment available for
reaction takes place.
occurs upon resuming the flow, stop
b. Protective Clothing. See that all personnel
the filling operation; the equipment
handling chemical agents are equipped with protective
is either wet or dirty. Disassemble,
masks and protective clothing (TM 3-304).
clean, and dry the equipment before
decontaminating materials and apparatus required for
3. Use. One-ton containers are used for shipping
the chemical being handled.
See TM 3-220 for
and storing liquid or gaseous chemical agents.
information on decontamination.
4. Description and Data. There are three types
d. Special Precautions for Handling FS. Carefully
of 1-ton containers, types A, D, and E. The capacity of
remove any resinous coating that appears in the
each type of container is approximately 170 gallons.
bottoms of receptacles. This coating, which is a partially
The maximum quantity of any chemical agent that can
solidified rust-preventive compound, reacts slowly with
be loaded into the containers is limited by the 3,500-
FS causing dangerous pressure to build up in the
pound maximum allowable gross weight.
receptacle after it has been filled and closed. If the
containers will withstand a maximum internal pressure
coating can be only partially removed, make sure that
of 500 pounds per square inch.
the receptacle is vented properly until the reaction
a. Type A. The type A 1-ton container (fig. 1 is
between the FS and the coating has ceased.
used primarily for shipping and storing chemical agents
that are gaseous at atmospheric pressure.
container is a steel cylinder, 81 1/2 inches long, 30 1/2
inches in diameter, with 13/32-inch side walls. It weighs
1,600 pounds when empty.
* This bulletin supersedes so much of TM 3-255, 16 September 1955, as pertains to one-ton containers.