Sunday 2 December 2012

Department of Transportation (DOT) changes


a. In 1991 the DOT adopted into federal law a different system
for hazard classification of dangerous goods. The new system is
essentially that which is used by United Nations for the transportation
of dangerous goods. The total phase-in period for the new
system is ten years. The 49 CFR (App A, Ref 3) has more detailed
information regarding the different phase-in periods for specific
situations and should be consulted as the authoritative source. The
JHCS will continue to have the old DOT information for the entire
phase-in period of ten years.
b. For new items added to the JHCS after April 1991, there will
be no DOT (old system) information added.
c. For those items added after April 1991, the DOT hazard class
for Class 1 items will be the DoD Hazard Division Compatibility
Group. Any parenthetical values appearing in the DoD hazard class
will not be included in the DOT hazard class. For those items where
the DoD Hazard Division Compatibility Group is other than Class 1
 (i.e., Class 2–9), the DOT class will consist only of the DoD Hazard
Division. No Compatibility Group for Class 2–9 will be included in
the DOT hazard class; whereas, it will be for DoD.
d. For those items entered in the JHCS after April 1991, the DOT
label for Class 1 items will be the word “Explosive” followed by the
DOT hazard class (i.e., 1.2C). For Class 2–9 consult 49 CFR (App
A, Ref 3).
e. For those items entered after April 1991, the DOT container
marking for Class 1 items will consist of the Proper Shipping Name
(as defined by the UN Serial Number), the UN Serial Number, and
the NSN or part number. The NSN or part number may be used
only if it is directly traceable to a DOT assigned registration number
(i.e., “EX” number). All of these data elements are in the JHCS.

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