WPCj! B4ZkV%Ua|Xq]91\R Wͣ[Y!Dlۡ?JaחŦYBZȺEXZXNxM`^} *h< ,LʩvE 4E!pͳezIE,bJ!&FB+2{av>IJҎ/8HG7ZIg-8[ F>%zY[cJb%ʙak #< -MRkad=#*èLչld;[|_ ۥܵ3уf\ω JRVf1-&$DtA8z*,oSU0 KAEb kMGo0TrS!baX945"?y5__@Yk!Ƶ*!a/ 5zr2JXt"9:noǓ-~waG'5<h|,љ:U B, %nt 0} 0{ 0t 0 0g 0\J 0wR 0o D+' 0 0=z 0 AQDDDDDD 0 B""""? 0= AMBBB BnZ 0r  U@ w@ 4!UN!\  `*Times New RomanTT'   ST/SG/AC.10/C.3/1997/INF. Jong_e0UN/ECE .   H4heading 1heading 1&    XXXW\  `*Times New RomanTTW        &&&W\  `*Times New RomanTTW'  H4heading 2heading 2&    XXXW\  `*Times New RomanTTW     UK  US     &&&W\  `*Times New RomanTTW'  h:Default ParaDefault Paragraph FontXXXW\  `*Times New RomanTTW        &&&W\  `*Times New RomanTTW<G`.headerheader  =!     ??  US     >4X` hp x (#><G`.footerfooter  =!     ??  US     >4X` hp x (#>P8page numberpage numberXXXW\  `*Times New RomanTTW        &&&W\  `*Times New RomanTTWH4Body TextBody Text  XXXW\  `*Times New RomanTTW     UK  US     &&&W\  `*Times New RomanTTW H  '&&&&&&   :  $=!X$    ??US.,  -&=!=!-Q# & ST/SG/AC.10.C3/1998/  BBQ# & page US.,??.,    ' X&=!'   XWxX&&XWxXXXWx      &&XXWx@    1  A     $     &&&&&&&&   USUS.,    H4X` hp x (#XH  B.u % }-5=!XB(e2$ 43!&&&&&&   'dxd Level 1 Level 2 Level 3 Level 4 Level 5(e2$ 43!&&&&&&   ($    (e2$ 43!&&&&&&    C<< c(e2$ 43!&&&&&&    d Level 1 Level 2 Level 3 Level 4 Level 5($     A<< cK Kd3|x.\  `*Times New RomanTTC\  P6QP\  `*Times New RomanTT&&J\  P6Q&P\  `*Times New RomanTTXXP\  P6QXP%2A`ArialTTomanTT 2PQP%2A`ArialTTomanTT_2PQP%2A`ArialTTomanTTXXX2PQXP%2A`ArialTTomanTT2PQP\  `*Times New RomanTT  k\  P6Q P(J3$&&&&&&  )g  Z (CG Times Regular %T&T'E(P)E*P+{,-U.ENs% (9 Z 6Times New Roman Regular 43!&&&&&&   UKUS.,TRW\6&3'6&A43'T+;+++     $:L =!X$  6& &&&6XvX &6&9XWxXX6Xv  & 8!8!F8! )"    & 8!8!F8! )"    & ll48!9&&X9XWxUN/CETDG/20/INF.21   #6& &&9&##6XvX &6&܏#: COMMITTEEOFEXPERTSONTHE Hp TRANSPORTOFDANGEROUSGOODS  8`  (Twentiethsession,  @ Geneva,7!16December1998,  0 agendaitem2(d))    :  CommentsonST/SG/AC.10/1998/45,   &    6XvXX6XvXWxXX6Xv       CreationofanewentryAmmoniumnitrateemulsionmatrix (   4    XWxXXXWx6XvXXXWx'  6& &X6Xv6XvX &6&TransmittedbytheExpertfromtheNetherlands |   Introduction  Lt IndocumentST/SG/AC.10/1998/45theexpertfromFranceproposestocreateanewentryinChapter3.2forammoniumnitrateemulsionsinDivision5.1.Thoseemulsionsarefrequentlyusedasaprecursorforblastingexplosives.Thisallowsonsitemixingandhasobviousadvantages,amongstothersintransportsincetheycanbeexcludedfromClass1.IncurrentpracticetheyareshippedundervariousofdifferentClasses.Theemulsionsaretransportedinconsiderableamountsglobally,whichwouldjustifyaseparateentryfortheammoniumnitrateemulsions.TheexpertfromtheNetherlandsthereforesupportscreationofanewentry.However,webelievetheproposalfromtheexpertfromFranceisnotcomplete.Nocriteria(exceptonthebaseofexperience)aregivenonwhichtobasetheexclusionfrom.Itisknownthatthepropertiesoftheseemulsionscanvaryconsiderably,forinstancedependingonthesizeofthedroplets,pH,chloridecontentandamountofNOxpresent.Classification \!! purelybasedonthecompositionisthereforenotpossible.Furthermore,theexpertfromFranceproposesthatthecompetentauthoritywillhavetoassigntheapplicablePackingGroup(I,IIorIII).NoguidanceisgivenonwhatpropertiestobasetheassignmenttoaPackingGroup.ExpertsfromtheOECDIGUSWorkingGroupsonEnergeticandOxidisingSubstances(EOS)andExplosives,PropellantsandPyrotechnics(EPP)alreadyhaveidentifiedanddiscussedthementionedproblemsandhavedecidedtoincludeitintheirworkprogrammeforthenextyears.AjointsessionofthetwoWorkingGroupswillbeheldinStockholminMay1999toaddresstheissue. ,3T14 Ї$mm6%"$%@aa)a  ll6$"%UN/CETDG/20/INF.21  #"%"%"H%""#&@aa)a&*  B$"*+*p*++P+,age2,)&  &)'&$"$"H$"&')($"$"H$"()   Proposal   Basedontheabovementionedconsiderations,theexpertfromtheNetherlandsproposestoincludethesubjectintheworkprogrammeforthenextbienniumoftheCommitteeofExpertsontheTransportofDangerousGoods.Basedonresearchand/ordiscussionbetweenexpertsproposalscanthenbedrafted,forinstancefortestsandcriteriaforexclusionfromClass1andforguidanceforassignmentofthePackingGroup.ThedocumentST/SG/AC.10/1998/45shouldconsequentlykeptforfurtherconsiderationduringthenextbienniumasabasefordiscussion. -@  #a____________-.--.