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An Introduction to the IMDG Code

Welcome to this freeintroduction to the IMDGCode from ExisTechnologies.

This provides a briefoverview of the IMDGcode structure andreuirements.

Where applicable!screens are referenced tothe relevant IMDG Code

clause.

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An Introduction to the IMDG Code

The ob"ective of the International MaritimeDangerous Goods #IMDG$ Code is to%

Enhance the safe transport of dangerous goods

Protect the marine environment

Facilitate the free unrestricted movement of dangerousgoods

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The International Legal Framework

The International Maritime&rgani'ation #IM&$

The IMO is a United Nations specialised agency which hasdeveloped international legislation dealing with two eyissues for the maritime industry!

The safety of life at sea

Prevention of pollution from ships

IMDG Code reference%(.(.(

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The International Legal Framework

The International Maritime&rgani'ation #IM&$

The IMO has developed two international conventions toaddress these issues!

The "O#$" %onvention &covering safety of life at sea'

The M$(PO# %onvention &covering pollution prevention)

To supplement the principles laid down in the "O#$" andM$(PO# %onventions) the IMO developed the International

Maritime *angerous +oods &IM*+' %ode,

The IM*+ code contains detailed technical speci-cationsto ena.le dangerous goods to .e transported safely .ysea,

The IM*+ %ode .ecame mandatory for adoption .y "O#$"IMDG Code reference%(.(.(

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Principles of the IMDG Code

The IMDG Code is based on an internationall)agreed s)stem which%

+roups dangerous goods together .ased on the ha4ards theypresent in transport &classi-cation',

%ontains the dangerous goods in pacagings5tans which are of

appropriate strength and which will prevent the goods escaping,

Uses ha4ard warning la.els and other identifying mars toidentify

dangerous goods in transport,

(e6uires standard documentation to .e provided whendangerous goods are .eing transported,

#ays down principles for ensuring that dangerous goods whichwill

react dangerously together are ept apart,

#ays down principles for where to place dangerous goods on.oard ship to ensure safe transport,

Provides emergency response advice for dangerous goods

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*pdating the IMDG Code

The IM*+ %ode is evolving and is updated every two yearsto tae account of!

New dangerous goods which have to .e included,

New technology and methods of woring with orhandling

dangerous goods,

"afety concerns which arise as a result of e7perience,

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*pdating the IMDG Code

Each version of the %ode is given an $mendmentnum.er to signify how many times it has .een updated,This num.er appears at the .ottom of each page together

with the year of the $mendment,

The last $mendment was 9:;/2 which remained in forceuntil *ecem.er 9/st12/9,

From /st0anuary 12/9 $mendment 9

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The +mendment C)cle of the IMDGCode


Each $mendment is valid for up to three years,

There are alternating years for implementation, In 0anuary of the yellow years) a new $mendment is pu.lished and can .e

used immediately) su.>ect to the timing of National %ompetent $uthorityadoption,

*uring the yellow years) the preceding $mendment can also .e used) so it isa transition year,

In the green years) only the current $mendment may .e used,

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Layout of the IMDG Code

The Code comprises , parts.

It is presented in two .oos? @olume / and @olume 1,

It is necessary to use .oth .oos to o.tain the re6uired

information when shipping dangerous goods .y sea,

The %ode also contains a "upplement,

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-olume (&Parts /;1 A 3;B of the %ode' comprises!

art ( +eneral provisions) de-nitions and training

art / %lassi-cation

art 0 Pacing and tan provisions

art 1 %onsignment procedures

art 2 Provisions for the construction and testing ofpressure receptacles) aerosol dispensers) smallreceptacles containing gas &gas cartridges' and fuel cellcartridges containing li6ue-ed Camma.le gas

art , (e6uirements concerning transport operations

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-olume /&Part 9 and the $ppendices of the %ode'comprises!

art 3 *angerous +oods #ist &*+#') "pecialProvisions #imited and E7cepted Duantities

E7ceptions

+ppendix + #ist of +eneric and N,O,", &Not Otherwise"peci-ed' Proper "hipping Names

+ppendix 4 +lossary of terms

+lphabetical Index

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Layout of the IMDG Code upplement

The supplement contains the following te7ts relatedto the %ode!

Emergency (esponse Procedures for "hips %arrying*angerous +oods

Medical First $id +uide

(eporting Procedures

IMO5I#O5E%E +uidelines for Pacing %argo TransportUnits

"afe Use of Pesticides in "hips) %argo olds and %TUs

International %ode for the %arriage of PacagedIrradiated Nuclear Fuel) Plutonium and igh;#evel(adioactive astes on Goard "hips

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IMDG Code Classification ystem

The purpose of the IM*+ %odeHs classi-cationsystem is!

To distinguish .etween goods which are consideredto .e dangerous for transport and those which are

not,

To identify the dangers which are presented .ydangerous goods in transport,

To ensure that the correct measure are taen to

ena.le these goods to .e transported safely withoutris to persons or property,

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*angerous goods are classi-ed into classesaccording to properties, The way in which diJerentclasses of dangerous goods are handled in transportwill depend upon these properties and ha4ards) fore7ample!

The type of pacaging that can .e used,

hat classes of dangerous goods can .e transportedtogether in freight containers,

here the goods can .e stored within the port and onthe

ship,

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The 6 classes%Class ( E7plosives

Class / +ases

Class 3 Flamma.le li6uids

Class 0 Flamma.le solidsClass 1 O7idi4ing su.stances and organic pero7ides

Class 2 To7ic and infectious su.stances

Class , (adioactive material

Class 7 %orrosive su.stances

Class 6 Miscellaneous dangerous su.stances andarticles

These ha4ard classes have .een esta.lished internationally .y a UnitedNations &UN' committee to ensure that all modes of transport &road) rail) airand sea' classify dangerous goods in the same way,

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Identification of Dangerous Goods

89 and *9 9umber

ithin each of the ha4ard classes dangerous goods areuni6uely identi-ed .y two pieces of information!

$ four;digit num.er nown as the UN Num.er which ispreceded .y the letters UN,

The corresponding Proper "hipping Name &P"N',

For e7ample) erosene is identi-ed in the IM*+ %ode .y itsUN Num.er UN /119 and the P"N Kerosene,

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89 and *9 9umber

Together the UN Num.er and P"N uni6uely identifydangerous goods to!

ena.le rapid and precise identi-cation during transportto

ensure the correct handling) stowage) segregation etc)and

in the event of an emergency) ensure that the correctprocedures are followed,

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:a'ard labelsEach of the ha4ard classes are also identi-ed .y la.els!


IMDG Code reference%1././././

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!nderstanding the Dangerous Goods List "DGL#

The *+# is presented across 1 pages of the IM*+ %odeand is divided into /L columns for each individualdangerousgood listed,

Much of the information contained in the *+# is coded to

mae it easier to present in a ta.le,

The *+# is arranged in UN Num.er order? column / andcolumn /L contains the UN Num.er,

To loo up an entry) you >ust need the UN Num.er, owever) dangerous goods can also .e searched using

the P"N,

Therefore) if you do not have the UN Num.er .ut havethe

P"N) you can -nd its associated UN Num.er .y looingat

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Column ( ; *9 9umber%ontains the United Nations Num.er assigned .y the UnitedNations %ommittee of E7perts on the Transport of *angerous+oods &UN #ist',

Column / ; roper 8hipping 9ame #89$

%ontains the Proper "hipping Names in upper case characterswhich may .e followed .y additional descriptive te7t in lower;casecharacters,

Column 3 ; Class or Division%ontains the class and) in the case of class /) the division andcompati.ility group,

Column 0 ; 8ubsidiar)

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Column 1 ; ac=ing Group%ontains the pacing group num.er &i,e, I) II or III' where assignedto the su.stance or article,

Column 2 ; 8pecial rovisions%ontains a num.er referring to any special provision&s' indicated in

chapter 9,9,

Column ,a ; >imited ?uantitiesProvides the ma7imum 6uantity per inner pacaging,

Column ,b ; Excepted ?uantitiesProvides a code which can .e referenced to determine thema7imum 6uantity per inner and outer pacaging,

Column 7 ; ac=ing Instructions%ontains pacing instructions for the transport of su.stances andarticles,


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! dersta di g the Da gerous Goods List

"DGL#

Column 6 ; 8pecial ac=ing rovisions%ontains special pacing provisions,

Column (5 ; I4C ac=ing Instructions%ontains IG% instructions which indicate the type of IG% that can .eused for the transport,

Column (( ; I4C 8pecial rovisions(efers to special pacing provisions applica.le to the use ofpacing instructions .earing the code IG%H in 3,/,3,1,

Column (/ ; IM& Tan= InstructionsThis column is no longer used .ut used to apply to IMO porta.letans and road tan vehicles,

Column (3 ; *9 Tan= and 4ul= Container Instructions%ontains T codes &see 3,1,:,1,

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! dersta di g the Da gerous Goods List

"DGL#

Column (0 ; Tan= 8pecial rovisions%ontains TP notes &see 3,1,:,9' applica.le to the transport ofdangerous goods in porta.le tans and road road tan vehicles,

Column (1 ; Em8(efers to the relevant emergency schedules for FI(E and "PI##$+Ein The Em" +uide Emergency (esponse Procedures for "hips

%arrying *angerous +oodsH,

Column (2 ; 8towage and 8egregation%ontains the stowage and segregation provisions as prescri.ed inpart B,

Column (, ; roperties and &bservations%ontains properties and o.servations on the dangerous goodslisted,

Column (7 ; *9 9umber%ontains the United Nations Num.er for ease of reference across.oth pages of the printed .oo,


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Training $e%uirements

In the 1221 edition of the IM*+ %ode) training wasintroduced for the -rst time,

The IMO Mem.er +overnments recognised that the safetransport of dangerous goods

.y sea is dependent upon theappreciation) .y all personsinvolved) of the riss involvedand on a detailed understandingof the IM*+ %ode re6uirements,

The training re6uirements.ecame mandatory with$mendment 93;2L,

IMDG Code reference%(.3

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Training $e%uirements

These training re6uirements highlight the need for allshore;.ased personnel involved in the shipment ofdangerous goods to receive training commensurate withtheir responsi.ilities, The IM*+ %ode de-nes shore;.asedpersonnel as those who!

classify dangerous goods and identify P"Ns pac dangerous goods mar) la.el or placard dangerous goods load5 unload %TU" prepare transport documents for dangerous goods oJer dangerous goods for transport accept dangerous goods for transport

handle dangerous goods in transport prepare dangerous goods loading5stowage plans load5unload dangerous goods into5 from ships carry dangerous goods in transport enforce) survey or inspect for compliance with applica.le rules

and regulations

IMDG Code reference%

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