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INFCIRC/255 (Additional Protocol - Annex I)

PROTOCOL ADDITIONAL TO THE AGREEMENT BETWEEN THE GOVERNMENT OF JAPAN AND THE INTERNATIONAL ATOMIC ENERGY AGENCY IN IMPLEMENTATION OF ARTICLE III.1 AND 4 OF THE TREATY ON THE NON-PROLIFERATION OF NUCLEAR WEAPONS

Additional ProtocolAnnex IAnnex II

Annex I

LIST OF ACTIVITIES REFERRED TO IN ARTICLE 2.a.(iv)

(i) The manufacture of centrifuge rotor tubes or the assembly of gas centrifuges.

　Centrifuge rotor tubes means thin-walled cylinders as described in entry 5.1.1(b) of Annex II.
　Gas centrifuges means centrifuges as described in the Introductory Note to entry 5.1 of Annex II.

(ii) The manufacture of diffusion barriers.

　Diffusion barriers means thin, porous filters as described in entry 5.3.1(a) of Annex II.

(iii) The manufacture or assembly of laser-based systems.

　Laser-based systems means systems incorporating those items as described in entry 5.7 of Annex II.

(iv) The manufacture or assembly of electromagnetic isotope separators.

　Electromagnetic isotope separators means those items referred to in entry 5.9.1 of Annex II containing ion sources as described in 5.9.1(a) of Annex II.

(v) The manufacture or assembly of columns or extraction equipment.

　Columns or extraction equipment means those items as described in entries 5.6.1, 5.6.2, 5.6.3, 5.6.5, 5.6.6, 5.6.7 and 5.6.8 of Annex II.

(vi) The manufacture of aerodynamic separation nozzles or vortex tubes.

　Aerodynamic separation nozzles or vortex tubes means separation nozzles and vortex tubes as described respectively in entries 5.5.1 and 5.5.2 of Annex II.

(vii) The manufacture or assembly of uranium plasma generation systems.

　Uranium plasma generation systems means systems for the generation of uranium plasma as described in entry 5.8.3 of Annex II.

(viii) The manufacture of zirconium tubes.

　Zirconium tubes means tubes as described in entry 1.6 of Annex II.

(ix) The manufacture or upgrading of heavy water or deuterium.

　Heavy water or deuterium means deuterium, heavy water (deuterium oxide) and any other deuterium compound in which the ratio of deuterium to hydrogen atoms exceeds 1:5000.

(x) The manufacture of nuclear grade graphite.

　Nuclear grade graphite means graphite having a purity level better than 5 parts per million boron equivalent and with a density greater than 1.50 g/cm3 .

(xi) The manufacture of flasks for irradiated fuel.

　A flask for irradiated fuel means a vessel for the transportation and/or storage of irradiated fuel which provides chemical, thermal and radiological protection, and dissipates decay heat during handling, transportation and storage.

(xii) The manufacture of reactor control rods.

　Reactor control rods means rods as described in entry 1.4 of Annex II.

(xiii) The manufacture of criticality safe tanks and vessels.

　Criticality safe tanks and vessels means those items as described in entries 3.2 and 3.4 of Annex II.

(xiv) The manufacture of irradiated fuel element chopping machines.

　Irradiated fuel element chopping machines means equipment as described in entry 3.1 of Annex II.

(xv) The construction of hot cells.

　Hot cells means a cell or interconnected cells totalling at least 6 m3 in volume with shielding equal to or greater than the equivalent of 0.5 m of concrete, with a density of 3.2 g/cm3 or greater, outfitted with equipment for remote operations.