SB 742-1
d. Storage Structure and Site Air Sampling. All TCM
d. When evidence of a leaking chemical munition or
storage structures and sites will be monitored quarterly to the
container in storage is noted, the source will be located,
STEL. Igloos containing leaker lots of non-overpacked M55 GB
isolated, and contained as soon as practical consistent with all
rockets will be monitored to the STEL once every normal duty
safety, security, and environmental protection requirements.
day, and those with non-leaker lots or overpacked leakers will
The chemical storage site commander or his designated
be monitored a minimum of once weekly. Air sampling may be
representative must evaluate safety and environmental risks
conducted more frequently due to site-specific requirements.
associated with leakers prior to commencing or suspending
The rational for the increase and the site-specific frequency will
leaker isolation operations. Risk assessment factors to be
be documented and provided to the addressee at para 1-5d(7).
considered should include impending nightfall, weather
conditions, protective clothing wear times, time of day,
availability of personnel, supplies, or equipment, or any other
condition that impacts risk. Isolation operations need not
SMI REQUIREMENTS FOR TOXIC CHEMICAL ITEMS
extend beyond normal duty hours and should not prevent the
Not
accomplishment of unrelated, concurrent operations such as
Item
Overpacked
Overpacked
environmental monitoring and safety in storage inspections.
NOTE
Ton Containers
Quarterly
N/A
Mines
Annual
Quarterly
In addition to notifying addressee in para
1-5d(7) IAW paragraph 7-8, the
Projectiles/Cartridges
Annual
Quarterly
installation element responsible for
chemical event reporting will be informed
Bombs
Annual
Quarterly
of any confirmed agent leak to determine
Spray Tanks
Quarterly
Quarterly
whether submission of a chemical event
DOT Bottle
Quarterly
Quarterly
report is required IAW AR 50-6.
Rockets
Quarterly
Quarterly
e. If monitoring of ton containers in open storage produces
a confirmed, positive reading, leaker isolation procedures will
SUPLECAM Samples
Quarterly
Quarterly
begin immediately, regardless of concentration level. After
M56 Warheads
N/A
Quarterly
isolation and repair of the leaking ton container is completed,
Binary Components
Quarterly
N/A
monitoring of the repaired container will continue until the
presence of agent can no longer be detected.
Storage
monitoring of the open storage location will be completed if not
7-6. Detection, isolation, and containerization of
previously accomplished.
leaking munitions and/or containers (hereinafter
referred to as leakers).
f. The following procedures apply to chemical munitions
and storage containers stored in enclosed structures.
a. Testing munitions and bulk agent containers for agent
leakage will be performed with detection equipment or
(1) Agent detected:
monitors listed in DA Pam 385-61.
The proper use,
(a) Close storage structure vents.
maintenance and calibration of equipment will be IAW
applicable equipment or users publications, TM's, TB's, and
(b) Perform confirmation procedures. If chemical
/or the organization's chemical agent monitoring plan and
agent is confirmed at any level, follow procedures contained in
supporting
Quality
Assurance/Control
(QA/QC)
plan.
Selection of equipment and procedures should be based on
storage structure will not be considered contaminated and
compatibility with the operation to be performed and, to the
storage structure vents may be opened. However, actions
extent practicable, should incorporate the most sensitive and
should be taken to assess the cause of the original "false
accurate technology available. Departures from this approach
positive" agent detection.
will be justified and documented in the leaker report.
(2) Agent confirmed:
b. The prompt identification, isolation, and containment of
(a) Vents remain closed.
all agent leakage are of primary concern to ensure the safety of
workers, the general public, and the environment. Monitoring
(b) Install and operate powered filtration
is conducted IAW specified requirements for the type of
system(s) and open vents. Filtration system(s) will remain in
munition or agent in storage, and prior to entry for the conduct
operation until leaker isolation and containerization/repair
of operations. If the presence of leaking agent is confirmed,
operations are completed, or until the agent source is
steps will be initiated to ensure that isolation and containment
eliminated.
operations are accomplished.
(c) Begin leaker isolation and containerization
c. WPL monitoring may be required for the protection of
procedures.
unmasked workers conducting long-term operations. If agent
is detected and confirmed at the WPL, an attempt must be
(d) An inspection of the materiel in storage will be
made to identify the source.
conducted to the maximum extent possible without
rewarehousing in an attempt to visually locate the source of
the contamination. Packaged items will have the outer pack
inspected without opening. Peeling, discolored, or blistered
paint, or the presence of liquid is considered evidence of
possible leakage. Positive tests will be confirmed with a second
test. The presence or absence of leakage will be as indicated
by the second test.
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