7
continuously or discontinuously at ambient temperatures below -130°C.;
(c) Specially designed accessories sub-assemblies, parts or com-
poncuts for sub-items (d) and (5)
M.L. 21. Instruments or devices capable of automatically measuring the speed of sound is xity in water and rated for differential sen- sitivity measurements of 1 part in 5,000 parts or better; specialized parts therefor; equipment containing such instruments or devices.
Chlorine trifluoride.
A.E. 14.
Fluorine.
A.E. 15.
A.E. 17.
A.E. 19.
A.E. 19.
A.E. I.
Source (fertile) and fissionable materials, including, but not limited to, the following-
A.E. 20.
A.E. 5.
A.E. $.
A.E. IĮ.
A.E. 12.
ATOMIC ENERGY LIST.
(a) Minerals, raw and treated (including residues and tailings), which contain either uranium or thorium or any combinaTM tion thereof, exceeding 0.05% by weight, as follows-
(1) One containing uranium including pitchblende: (i) Monazite and monazite sands;
(ii) Ores containing thornum including urano-thorianite; () Natural uranium unwrought or wrought including alloys and compounds of natural uranium, having an uranium content exceeding 0.05%, excepting medicinals;
(c) Uranium 233, alloys containing uranium 233 and com-
pounds of uranium 233;
(d) Uranium enriched in the Isotope 235, alloys containing uranium eoriched in the isotope 235, and compounds of uranium cariched in the isotope 235;
(e) Irradiated uranium containing plutonium;
✪) Plutonium, alloys containing plutonium and compounds
containing plutonium:
(g) Thorium, unwraught or wrought, and alloys and compounds containing thorium, excluding alloys containing less than 15% of thorium by weight, and except medicinals; (A) Irradiated thorium containing uranium 233.
Deuterium and compounds, not elsewhere specified. mixtures and solutions containing deuterium, including heavy water and heavy paraffins, in which the ratio of deuterium atoms to hydrogen atoms exceeds 1:5,000 by number.
Zirconium metal, alloys containing more than 50% zirconium by weight, and compounds, in which the ratio of hafnium com tent 19 zirconium content is less than 1 part to 500 parts by weight; and manufactures wholly thereof.
Nickel powder with a particle size less than 200 microns.
Beryllium metal and manufactures wholly thereof (excluding beryllium windows for medical X-ray machines); beryl (exclud- ing gem grade) and ores; alloys containing more than 50% beryllium by weight; oxides and other compounds.
A.E. 22.
A.E. 27.
A.E. 29.
A.E. 30.
Fluorinated hydrocarbons, as follows—
(a) Trichlorotrifluoroethane;
(b) Dichlorotetrafluoroethane.
Equipment specifically designed for the separation of isotopes of uranium and/or lithium,
Machines, materials or equipment specially designed for use in the processing of irradiated nuclear materials in order to isolate or recover filssionable materiak,
Personal radiation monitoring instruments enabling direct read- ing on a graduated scale, as follows ——
(a) Dosimeters where more than ✈ of the total single absorbed exposure range falls between 15 and 500 rads or roentgens; (6) Dose rate meters where more than of the total range
falls between 1 and 80 rads or roentgens per hour,
Mass spectrographs and spectrometers, as follows—
(2) All multi-focus types (including double focus, tandem and
cycloidal);
(b) Single focus types possessing a radius of curvature of 5
inches or more;
(<) Specially designed assemblies, components and parts for
the foregoing.
Valves. 3 centimetres or greater in diameter, with bellows seal, wholly made of or lined with aluminium, nickel, or alloy con- taining 60% or more nickel, either manually or automatically operated and with other than metal to metal seats,
Gas centrifuges capable of the enrichment or separation of isotopes.
Blowers and compressors (turbo, centrifugal and axial flow types), wholly made of or lined with aluminium, nickel, or alloy containing 60% or more nickel, and having a capacity of 60 cubic feet per minute (1,700 litres per minute) or greater.
A.E. 31. Electrolytic cells for the production of fluorine with a produc
tion capacity greater than 250 grams of duorine per hour.
Heat exchangers suitable for use in gaseous diffusion plants, Ac. heat exchangers made of aluminium. copper, nickel, of alloys containing more than 60% nickel, or combinations of these metals as clad tubes, designed to operate at sub- atmospheric pressure, with a leak rate of less than 104 atmospheres per hour under a pressure differential of I atmosphere.
A.E. 33.
A.E. 14.
Artificial graphite, in the form of blocks or rods from which a cube of 2 inches side or greater can be cut, having a boron content of less than, or equal to, I part per million, the total thermal neutron absorption cross section being less than, or equal to 5 ouillibarns per atom,