Containing by weight more than 50 percent of free carbon
867359 · 1991-10-24 — The tariff classification of the Tetley Technegas Generatorand Technegas Patient Administration Sets from Australia.
of Agoura, California you requested a tariff classification ruling. The Tetley Technegas Generator is designed to produce a gamma emitting radioactive gas which is inhaled by a patient. Using the gamma energies of the radioactivity, a picture is taken of the patient's lungs to diagnose potential lung disease. The gas is produced by placing a gamma emitting radioactive solution (Technetium-99m) into a carbon crucible. The crucible is then placed in the generator, and a stream of air dries the solution as the crucible is warmed. The radioactivity is then converted to a radioactive gas by…
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