Salt, Sulfur, Earths, Stone

2501 Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water 2502 Unroasted iron pyrites 2503 Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur 2504 Natural graphite: 2505 Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26: 2506 Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: 2507 Kaolin and other kaolinic clays, whether or not calcined 2508 Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths: 2509 Chalk: 2510 Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk: 2511 Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: 2512 Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less 2513 Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated: 2514 Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape 2515 Marble, travertine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: 2516 Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: 2517 Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast; shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: 2518 Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: 2519 Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: 2520 Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders: 2521 Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement 2522 Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: 2523 Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers: 2524 Asbestos: 2525 Mica, including splittings; mica waste: 2526 Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc: 2528 Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight 2529 Feldspar; leucite, nepheline and nepheline syenite; fluorspar: 2530 Mineral substances not elsewhere specified or included:

H354212 May 28, 2026

Appraisement of Zircon from Australia; Computed Value Method

N359068 March 18, 2026

The tariff classification and marking of crushed basalt from Australia.

N357180 January 23, 2026

The tariff classification, country of origin, country of origin marking, eligibility under the United States-Mexico-Canada Agreement (“USMCA”) for nonwoven filtration fabric; 19 CFR 102.21 (c)(5)

N357243 January 16, 2026

The tariff classification of lunar regolith simulants from Spain.

H350894 December 19, 2025

U.S. Government Procurement; Title III, Trade Agreements Act of 1979 (19 U.S.C. § 2511); Subpart B, Part 177, CBP Regulations; Country of Origin of Lumens Camera

N354617 October 24, 2025

The eligibility of the United States-Mexico-Canada Agreement (USMCA) of Gin from Canada

N351841 August 22, 2025

The eligibility of the United States-Mexico-Canada Agreement (USMCA) of Bitter Bianca Aperitif from Canada

H342780 July 21, 2025

Revocation of NY N306461; Modification of NY 853255; Tariff Classification of Molybdenum Disulphide Powder

N349949 July 3, 2025

The country of origin of steel door hinges

N349950 July 3, 2025

The country of origin of steel door hinges

N350212 June 25, 2025

The eligibility of the United States-Mexico-Canada Agreement (USMCA) of Gin from Canada

H342828 June 24, 2025

U.S. Government Procurement; Country of Origin of Pirfenidone Tablets