(a) The following articles have been determined to be nonavailable in accordance with 25.103(b)(1)(i):
Antimony, as metal or oxide.
Asbestos, amosite, chrysotile, and crocidolite.
Beef, corned, canned.
Books, trade, text, technical, or scientific; newspapers; pamphlets; magazines; periodicals; printed briefs and films; not printed in the United States and for which domestic editions are not available.
Brazil nuts, unroasted.
Cadmium, ores and flue dust.
Castor beans and castor oil.
Chrome ore or chromite.
Cobalt, in cathodes, rondelles, or other primary ore and metal forms.
Coconut and coconut meat, unsweetened, in shredded, desiccated, or similarly prepared form.
Coffee, raw or green bean.
Colchicine alkaloid, raw.
Cork, wood or bark and waste.
Cover glass, microscope slide.
Crane rail (85-pound per foot).
Diamonds, industrial, stones and abrasives.
Fair linen, altar.
Fibers of the following types: abaca, abace, agave, coir, flax, jute, jute burlaps, palmyra, and sisal.
Goat hair canvas.
Goat and kidskins.
Grapefruit sections, canned.
Graphite, natural, crystalline, crucible grade.
Hand file sets (Swiss pattern).
Hog bristles for brushes.
Leather, sheepskin, hair type.
Menthol, natural bulk.
Microprocessor chips (brought onto a Government construction site as separate units for incorporation into building systems during construction or repair and alteration of real property).
Nickel, primary, in ingots, pigs, shots, cathodes, or similar forms; nickel oxide and nickel salts.
Nitroguanidine (also known as picrite).
Nux vomica, crude.
Olives (green), pitted or unpitted, or stuffed, in bulk.
Oranges, mandarin, canned.
Petroleum, crude oil, unfinished oils, and finished products.
Pine needle oil.
Platinum and related group metals, refined, as sponge, powder, ingots, or cast bars.
Rabbit fur felt.
Radium salts, source and special nuclear materials.
Rubber, crude and latex.
Silk, raw and unmanufactured.
Spare and replacement parts for equipment of foreign manufacture, and for which domestic parts are not available.
Spices and herbs, in bulk.
Swords and scabbards.
Talc, block, steatite.
Tapioca flour and cassava.
Tartar, crude; tartaric acid and cream of tartar in bulk.
Tea in bulk.
Thread, metallic (gold).
Tin in bars, blocks, and pigs.
Woods; logs, veneer, and lumber of the following species: Alaskan yellow cedar, angelique, balsa, ekki, greenheart, lignum vitae, mahogany, and teak.
Yarn, 50 Denier rayon.
Yeast, active dry and instant active dry.
(b) This list will be published in the Federal Register for public comment no less frequently than once every five years. Unsolicited recommendations for deletions from this list may be submitted at any time and should provide sufficient data and rationale to permit evaluation (see 1.502).